{"kind": "product", "path": "vulns/ubuntu-20.04-lts/gnutls28", "name": "gnutls28", "product": "gnutls28", "ecosystem": "Ubuntu:20.04:LTS", "items": [{"id": "CVE-2024-12243", "noindex": false, "published": "2025-02-10T15:28:10.328Z", "modified": "2026-10-22T21:13:11.450Z", "cvss": 5.3, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "severity": "medium", "epss": 0.01292, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2024-12243", "title": "Gnutls: gnutls impacted by inefficient der decoding in libtasn1 leading to remote dos", "description": "A flaw was found in GnuTLS, which relies on libtasn1 for ASN.1 data processing. Due to an inefficient algorithm in libtasn1, decoding certain DER-encoded certificate data can take excessive time, leading to increased resource consumption. This flaw allows a remote attacker to send a specially crafted certificate, causing GnuTLS to become unresponsive or slow, resulting in a denial-of-service condition.", "references": ["https://access.redhat.com/errata/RHSA-2025:17361", "https://access.redhat.com/errata/RHSA-2025:4051", "https://access.redhat.com/errata/RHSA-2025:7076"], "fixes": ["3.6.13-2ubuntu1.12"], "products": [{"name": "gnutls28", "path": "vulns/ubuntu-20.04-lts/gnutls28", "ecosystem": "Ubuntu:20.04:LTS"}]}, {"id": "CVE-2024-28834", "noindex": false, "published": "2024-03-21T13:29:11.532Z", "modified": "2026-10-22T21:13:13.722Z", "cvss": 5.3, "cvss_vector": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N", "severity": "medium", "epss": 0.00724, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2024-28834", "title": "Gnutls: vulnerable to minerva side-channel information leak", "description": "A flaw was found in GnuTLS. The Minerva attack is a cryptographic vulnerability that exploits deterministic behavior in systems like GnuTLS, leading to side-channel leaks. In specific scenarios, such as when using the GNUTLS_PRIVKEY_FLAG_REPRODUCIBLE flag, it can result in a noticeable step in nonce size from 513 to 512 bits, exposing a potential timing side-channel.", "references": ["https://access.redhat.com/errata/RHSA-2024:1784", "https://access.redhat.com/errata/RHSA-2024:1879", "https://access.redhat.com/errata/RHSA-2024:1997"], "fixes": ["3.6.13-2ubuntu1.11"], "products": [{"name": "gnutls28", "path": "vulns/ubuntu-20.04-lts/gnutls28", "ecosystem": "Ubuntu:20.04:LTS"}]}, {"id": "CVE-2024-0553", "noindex": false, "published": "2024-01-16T11:40:50.677Z", "modified": "2026-10-15T00:17:16.688Z", "cvss": 7.5, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "severity": "high", "epss": 0.01614, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2024-0553", "title": "Gnutls: incomplete fix for cve-2023-5981", "description": "A vulnerability was found in GnuTLS. The response times to malformed ciphertexts in RSA-PSK ClientKeyExchange differ from the response times of ciphertexts with correct PKCS#1 v1.5 padding. This issue may allow a remote attacker to perform a timing side-channel attack in the RSA-PSK key exchange, potentially leading to the leakage of sensitive data. CVE-2024-0553 is designated as an incomplete resolution for CVE-2023-5981.", "references": ["https://access.redhat.com/errata/RHSA-2024:0533", "https://access.redhat.com/errata/RHSA-2024:0627", "https://access.redhat.com/errata/RHSA-2024:0796"], "fixes": ["3.6.13-2ubuntu1.10"], "products": [{"name": "gnutls28", "path": "vulns/ubuntu-20.04-lts/gnutls28", "ecosystem": "Ubuntu:20.04:LTS"}]}, {"id": "CVE-2023-5981", "noindex": false, "published": "2023-11-28T11:49:50.138Z", "modified": "2026-10-14T22:07:14.101Z", "cvss": 5.9, "cvss_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N", "severity": "medium", "epss": 0.01267, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2023-5981", "title": "Gnutls: timing side-channel in the rsa-psk authentication", "description": "A vulnerability was found that the response times to malformed ciphertexts in RSA-PSK ClientKeyExchange differ from response times of ciphertexts with correct PKCS#1 v1.5 padding.", "references": ["https://access.redhat.com/errata/RHSA-2024:0155", "https://access.redhat.com/errata/RHSA-2024:0319", "https://access.redhat.com/errata/RHSA-2024:0399"], "fixes": ["3.6.13-2ubuntu1.9"], "products": [{"name": "gnutls28", "path": "vulns/ubuntu-20.04-lts/gnutls28", "ecosystem": "Ubuntu:20.04:LTS"}]}, {"id": "CVE-2023-0361", "noindex": false, "published": "2023-02-15T00:00:00.000Z", "modified": "2026-10-14T19:28:14.889Z", "cvss": 7.4, "cvss_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "severity": "high", "epss": 0.01453, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2023-0361", "title": "CVE-2023-0361", "description": "A timing side-channel in the handling of RSA ClientKeyExchange messages was discovered in GnuTLS. This side-channel can be sufficient to recover the key encrypted in the RSA ciphertext across a network in a Bleichenbacher style attack. To achieve a successful decryption the attacker would need to send a large amount of specially crafted messages to the vulnerable server. By recovering the secret from the ClientKeyExchange message, the attacker would be able to decrypt the application data exchanged over that connection.", "references": ["https://access.redhat.com/security/cve/CVE-2023-0361", "https://github.com/tlsfuzzer/tlsfuzzer/pull/679", "https://gitlab.com/gnutls/gnutls/-/issues/1050"], "fixes": ["3.6.13-2ubuntu1.8"], "products": [{"name": "gnutls28", "path": "vulns/ubuntu-20.04-lts/gnutls28", "ecosystem": "Ubuntu:20.04:LTS"}]}, {"id": "CVE-2021-4209", "noindex": false, "published": "2022-08-24T15:07:31.000Z", "modified": "2026-10-14T10:04:07.798Z", "cvss": 6.5, "cvss_vector": "", "severity": "medium", "epss": 0.01908, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2021-4209", "title": "CVE-2021-4209", "description": "A NULL pointer dereference flaw was found in GnuTLS. As Nettle's hash update functions internally call memcpy, providing zero-length input may cause undefined behavior. This flaw leads to a denial of service after authentication in rare circumstances.", "references": ["https://gitlab.com/gnutls/gnutls/-/issues/1306", "https://bugzilla.redhat.com/show_bug.cgi?id=2044156", "https://access.redhat.com/security/cve/CVE-2021-4209"], "fixes": ["3.6.13-2ubuntu1.7"], "products": [{"name": "gnutls28", "path": "vulns/ubuntu-20.04-lts/gnutls28", "ecosystem": "Ubuntu:20.04:LTS"}]}, {"id": "CVE-2022-2509", "noindex": false, "published": "2022-08-01T14:01:10.000Z", "modified": "2026-10-14T13:07:07.646Z", "cvss": 7.5, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "severity": "high", "epss": 0.02251, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2022-2509", "title": "CVE-2022-2509", "description": "A vulnerability found in gnutls. This security flaw happens because of a double free error occurs during verification of pkcs7 signatures in gnutls_pkcs7_verify function.", "references": ["https://access.redhat.com/security/cve/CVE-2022-2509", "https://lists.gnupg.org/pipermail/gnutls-help/2022-July/004746.html", "https://www.debian.org/security/2022/dsa-5203"], "fixes": ["3.6.13-2ubuntu1.7"], "products": [{"name": "gnutls28", "path": "vulns/ubuntu-20.04-lts/gnutls28", "ecosystem": "Ubuntu:20.04:LTS"}]}, {"id": "CVE-2021-20232", "noindex": false, "published": "2021-03-12T18:25:29.000Z", "modified": "2026-10-14T10:04:14.030Z", "cvss": 9.8, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "severity": "critical", "epss": 0.03349, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2021-20232", "title": "CVE-2021-20232", "description": "A flaw was found in gnutls. A use after free issue in client_send_params in lib/ext/pre_shared_key.c may lead to memory corruption and other potential consequences.", "references": ["https://www.gnutls.org/security-new.html#GNUTLS-SA-2021-03-10", "https://bugzilla.redhat.com/show_bug.cgi?id=1922275", "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OSLAE6PP33A7VYRYMYMUVB3U6B26GZER/"], "fixes": ["3.6.13-2ubuntu1.6"], "products": [{"name": "gnutls28", "path": "vulns/ubuntu-20.04-lts/gnutls28", "ecosystem": "Ubuntu:20.04:LTS"}]}, {"id": "CVE-2021-20231", "noindex": false, "published": "2021-03-12T18:23:59.000Z", "modified": "2026-10-14T10:04:12.446Z", "cvss": 9.8, "cvss_vector": "", "severity": "critical", "epss": 0.03648, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2021-20231", "title": "CVE-2021-20231", "description": "A flaw was found in gnutls. A use after free issue in client sending key_share extension may lead to memory corruption and other consequences.", "references": ["https://bugzilla.redhat.com/show_bug.cgi?id=1922276", "https://www.gnutls.org/security-new.html#GNUTLS-SA-2021-03-10", "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OSLAE6PP33A7VYRYMYMUVB3U6B26GZER/"], "fixes": ["3.6.13-2ubuntu1.6"], "products": [{"name": "gnutls28", "path": "vulns/ubuntu-20.04-lts/gnutls28", "ecosystem": "Ubuntu:20.04:LTS"}]}, {"id": "CVE-2020-24659", "noindex": false, "published": "2020-09-04T14:03:36.000Z", "modified": "2026-10-14T09:35:20.961Z", "cvss": 7.5, "cvss_vector": "", "severity": "high", "epss": 0.0383, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2020-24659", "title": "CVE-2020-24659", "description": "An issue was discovered in GnuTLS before 3.6.15. A server can trigger a NULL pointer dereference in a TLS 1.3 client if a no_renegotiation alert is sent with unexpected timing, and then an invalid second handshake occurs. The crash happens in the application's error handling path, where the gnutls_deinit function is called after detecting a handshake failure.", "references": ["https://gitlab.com/gnutls/gnutls/-/issues/1071", "https://www.gnutls.org/security-new.html#GNUTLS-SA-2020-09-04", "https://security.gentoo.org/glsa/202009-01"], "fixes": ["3.6.13-2ubuntu1.3"], "products": [{"name": "gnutls28", "path": "vulns/ubuntu-20.04-lts/gnutls28", "ecosystem": "Ubuntu:20.04:LTS"}]}, {"id": "CVE-2020-13777", "noindex": false, "published": "2020-06-04T07:01:07.000Z", "modified": "2026-10-14T09:23:40.445Z", "cvss": 7.4, "cvss_vector": "", "severity": "high", "epss": 0.22284, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2020-13777", "title": "CVE-2020-13777", "description": "GnuTLS 3.6.x before 3.6.14 uses incorrect cryptography for encrypting a session ticket (a loss of confidentiality in TLS 1.2, and an authentication bypass in TLS 1.3). The earliest affected version is 3.6.4 (2018-09-24) because of an error in a 2018-09-18 commit. Until the first key rotation, the TLS server always uses wrong data in place of an encryption key derived from an application.", "references": ["https://gnutls.org/security-new.html#GNUTLS-SA-2020-06-03", "https://www.debian.org/security/2020/dsa-4697", "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VMB3UGI5H5RCFRU6OGRPMNUCNLJGEN7Y/"], "fixes": ["3.6.13-2ubuntu1.1"], "products": [{"name": "gnutls28", "path": "vulns/ubuntu-20.04-lts/gnutls28", "ecosystem": "Ubuntu:20.04:LTS"}]}], "total": 11, "unknown_count": 0, "release_unconfirmed": false, "page": 1, "pages": 1, "filtered": false, "noindex": false, "filters": {}, "page_size": 20, "products": [{"name": "gnutls28", "path": "vulns/ubuntu-20.04-lts/gnutls28", "ecosystem": "Ubuntu:20.04:LTS"}], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}, {"name": "web", "path": "vulns/stack/web", "slug": "web"}, {"name": "php", "path": "vulns/stack/php", "slug": "php"}, {"name": "python", "path": "vulns/stack/python", "slug": "python"}, {"name": "node", "path": "vulns/stack/node", "slug": "node"}, {"name": "database", "path": "vulns/stack/database", "slug": "database"}, {"name": "containers", "path": "vulns/stack/containers", "slug": "containers"}, {"name": "network", "path": "vulns/stack/network", "slug": "network"}, {"name": "applications", "path": "vulns/stack/applications", "slug": "applications"}], "versions": [], "stats": {"recent": 0, "kev": 0}, "lastmod": "2026-10-22T21:13:13.722Z", "early_advisories": [], "license": "Подборку PatchFirst и наши дополнения (приоритеты, ранние предупреждения, тексты, сводки и агрегаты) можно свободно использовать для собственных целей, включая внутренние задачи бизнеса. 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Новости указываются ссылкой на первоисточник в самой записи.", "sources": [{"id": "cve", "name": "CVE List / CVE.org", "url": "https://www.cve.org/", "license": "CVE Terms of Use", "terms_url": "https://www.cve.org/Legal/TermsOfUse", "notice": "Copyright © 1999–2021, The MITRE Corporation. LICENSE Submissions : For all materials you submit to the Common Vulnerabilities and Exposures (CVE™), you hereby grant to The MITRE Corporation (MITRE) and all CVE Numbering Authorities (CNAs) a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute such materials and derivative works. Unless required by applicable law or agreed to in writing, you provide such materials on an \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, including, without limitation, any warranties or conditions of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A PARTICULAR PURPOSE. CVE Usage : MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy. DISCLAIMERS ALL DOCUMENTS AND THE INFORMATION CONTAINED THEREIN PROVIDED BY MITRE ARE PROVIDED ON AN \"AS IS\" BASIS AND THE CONTRIBUTOR, THE ORGANIZATION HE/SHE REPRESENTS OR IS SPONSORED BY (IF ANY), THE MITRE CORPORATION, ITS BOARD OF TRUSTEES, OFFICERS, AGENTS, AND EMPLOYEES, DISCLAIM ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION THEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE."}, {"id": "osv", "name": "OSV", "url": "https://osv.dev/", "terms_url": "https://google.github.io/osv.dev/data/", "terms": "Лицензии исходных баз различаются; см. каталог источников."}, {"id": "kev", "name": "CISA KEV", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "license": "CC0-1.0", "terms_url": "https://github.com/cisagov/kev-data/blob/develop/LICENSE"}, {"id": "epss", "name": "FIRST EPSS", "url": "https://www.first.org/epss/", "terms_url": "https://www.first.org/epss/faq", "terms": "Оценки доступны свободно; запрашивается указание источника (FIRST EPSS, оценки подготовлены Empirical Security)."}, {"id": "github-advisory", "name": "GitHub Advisory Database", "url": "https://github.com/advisories", "license": "CC-BY-4.0", "terms_url": "https://github.com/github/advisory-database/blob/main/LICENSE.md"}, {"id": "exploitdb", "name": "Exploit-DB", "url": "https://www.exploit-db.com/", "license": "GPL-2.0", "terms_url": "https://gitlab.com/exploit-database/exploitdb/-/blob/main/LICENSE.md"}, {"id": "metasploit", "name": "Metasploit", "url": "https://github.com/rapid7/metasploit-framework", "license": "BSD-3-Clause", "terms_url": "https://github.com/rapid7/metasploit-framework/blob/master/LICENSE", "notice": "Copyright (c) 2006-2026, Rapid7, Inc.\nLicense: BSD-3-clause\n Redistribution and use in source and binary forms, with or without modification,\n are permitted provided that the following conditions are met:\n .\n * Redistributions of source code must retain the above copyright notice,\n this list of conditions and the following disclaimer.\n .\n * Redistributions in binary form must reproduce the above copyright notice,\n this list of conditions and the following disclaimer in the documentation\n and/or other materials provided with the distribution.\n .\n * Neither the name of Rapid7, Inc. nor the names of its contributors\n may be used to endorse or promote products derived from this software\n without specific prior written permission.\n .\n THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS \"AS IS\" AND\n ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE\n DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR\n ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES\n (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;\n LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON\n ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\n (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS\n SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."}, {"id": "nuclei", "name": "Nuclei Templates", "url": "https://github.com/projectdiscovery/nuclei-templates", "license": "MIT", "terms_url": "https://github.com/projectdiscovery/nuclei-templates/blob/main/LICENSE.md", "notice": "MIT License\n\nCopyright (c) 2025 ProjectDiscovery, Inc.\n\nPermission is hereby granted, free of charge, to any person obtaining a copy\nof this software and associated documentation files (the \"Software\"), to deal\nin the Software without restriction, including without limitation the rights\nto use, copy, modify, merge, publish, distribute, sublicense, and/or sell\ncopies of the Software, and to permit persons to whom the Software is\nfurnished to do so, subject to the following conditions:\n\nThe above copyright notice and this permission notice shall be included in all\ncopies or substantial portions of the Software.\n\nTHE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\nIMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\nFITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\nAUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\nLIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\nOUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\nSOFTWARE."}, {"id": "linux-kernel", "name": "Linux kernel releases", "url": "https://www.kernel.org/", "license": "CC-BY-SA-4.0", "terms_url": "https://www.kernel.org/legal.html", "notice": "Copyright (C) 1997-2014 by The Linux Kernel Organization, Inc."}]}