{"kind": "product", "path": "vulns/ubuntu-25.10/libreswan", "name": "libreswan", "product": "libreswan", "ecosystem": "Ubuntu:25.10", "items": [{"id": "CVE-2026-50721", "noindex": false, "published": "2026-07-02T21:44:09.423Z", "modified": "2026-07-07T17:01:58.011Z", "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": 0.00386, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-50721", "title": "IKEv1 Denial of Service via RSA-SHA1 (PKCS#1 Version 1.5 Encrypted) authentication payload", "description": "Libreswan, via the function RSA_authenticate_hash_signature_raw_rsa(), did not correctly verify the length of the authentication hash when the SIG payload of an IKEv1 packet was encoded using PKCS #1 RSA Encryption as per RFC 2313. A remote attacker can use a variation on the Bleichenbacher attack to forge the SIG payload when small public exponents are being used (e.g., e=3), which could lead to impersonation. Additionally, a remote attacker, by encoding a shorter than expected hash in the SIG payload, could trigger an assertion leading to denial-of-service. The daemon aborts and restarts; continued exploitation causes sustained denial of se", "references": ["https://libreswan.org/security/CVE-2026-50721/CVE-2026-50721.txt", "https://libreswan.org/security/CVE-2026-50721/", "https://libreswan.org/security/CVE-2026-50722/CVE-2026-50722.txt"], "fixes": [], "products": [{"name": "libreswan", "path": "vulns/ubuntu-25.10/libreswan", "ecosystem": "Ubuntu:25.10"}]}, {"id": "CVE-2026-50722", "noindex": false, "published": "2026-07-02T21:34:41.413Z", "modified": "2026-07-07T17:02:06.722Z", "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": 0.00346, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-50722", "title": "IKEv2 Denial of Service via RSA-SHA1 (PKCS#1 RSASSA-PKCS1-v1_5) authentication payload", "description": "Libreswan, via the function RSA_authenticate_hash_signature_pkcs1_1_5_rsa(), did not correctly verify the DER encoding of the ASN.1 digest when the IKEv2 AUTH payload was encoded using RSASSA-PKCS1-v1_5 (RFC 8017). A remote attacker can use a variation on the Bleichenbacher attack to forge the AUTH payload when small public exponents are used (e.g., e=3), leading to impersonation. Additionally, a remote attacker, by encoding a shorter than expected hash in the AUTH payload, could trigger an assertion leading to denial-of-service. The daemon aborts and restarts; continued exploitation causes sustained denial of service. Remote code execution i", "references": ["https://libreswan.org/security/CVE-2026-50722/CVE-2026-50722.txt", "https://libreswan.org/security/CVE-2026-50722/", "https://libreswan.org/security/CVE-2026-50721/CVE-2026-50721.txt"], "fixes": [], "products": [{"name": "libreswan", "path": "vulns/ubuntu-25.10/libreswan", "ecosystem": "Ubuntu:25.10"}]}, {"id": "CVE-2026-12413", "noindex": false, "published": "2026-07-02T21:19:22.177Z", "modified": "2026-07-07T17:02:12.976Z", "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": 0.00598, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-12413", "title": "IKEv2 Denial of Service via malformed fragmentation", "description": "An invalidly formatted IKEv2 fragment causes the Libreswan pluto daemon to crash and restart. Continued exploitation would cause a denial of service. The function reassemble_v2_incoming_fragments() would ignore unknown outer payloads but still store these in a fixed size array msg_digest.digest[PAYLIMIT]. An off-by-one error in the assertion PASSERT(logger, md->digest_roof < elemsof(md->digest)) causes the daemon to abort. No remote code execution is possible. Any configuration that allows IKEv2 connections that do not set fragmentation=no are vulnerable. IKEv1 is not affected.", "references": ["https://libreswan.org/security/CVE-2026-12413/CVE-2026-12413.txt", "https://libreswan.org/security/CVE-2026-12413/", "https://nvd.nist.gov/vuln/detail/CVE-2026-12413"], "fixes": [], "products": [{"name": "libreswan", "path": "vulns/ubuntu-25.10/libreswan", "ecosystem": "Ubuntu:25.10"}]}, {"id": "CVE-2024-3652", "noindex": false, "published": "2024-04-11T01:32:13.433Z", "modified": "2026-02-27T15:19:48.988Z", "cvss": 6.5, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "severity": "medium", "epss": 0.008, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2024-3652", "title": "IKEv1 default AH/ESP responder can cause libreswan to abort and restart", "description": "The Libreswan Project was notified of an issue causing libreswan to restart when using IKEv1 without specifying an esp= line. When the peer requests AES-GMAC, libreswan's default proposal handler causes an assertion failure and crashes and restarts. IKEv2 connections are not affected.", "references": ["https://libreswan.org/security/CVE-2024-3652", "http://www.openwall.com/lists/oss-security/2024/04/18/2", "https://nvd.nist.gov/vuln/detail/CVE-2024-3652"], "fixes": [], "products": [{"name": "libreswan", "path": "vulns/ubuntu-25.10/libreswan", "ecosystem": "Ubuntu:25.10"}]}, {"id": "CVE-2023-38712", "noindex": false, "published": "2023-08-25T00:00:00.000Z", "modified": "2024-08-02T17:46:56.799Z", "cvss": 6.5, "cvss_vector": "", "severity": "medium", "epss": 0.00813, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2023-38712", "title": "CVE-2023-38712", "description": "An issue was discovered in Libreswan 3.x and 4.x before 4.12. When an IKEv1 ISAKMP SA Informational Exchange packet contains a Delete/Notify payload followed by further Notifies that act on the ISAKMP SA, such as a duplicated Delete/Notify message, a NULL pointer dereference on the deleted state causes the pluto daemon to crash and restart.", "references": ["https://github.com/libreswan/libreswan/tags", "https://libreswan.org/security/CVE-2023-38712/", "https://nvd.nist.gov/vuln/detail/CVE-2023-38712"], "fixes": [], "products": [{"name": "libreswan", "path": "vulns/ubuntu-25.10/libreswan", "ecosystem": "Ubuntu:25.10"}]}, {"id": "CVE-2023-38711", "noindex": false, "published": "2023-08-25T00:00:00.000Z", "modified": "2024-08-02T17:46:56.601Z", "cvss": 6.5, "cvss_vector": "", "severity": "medium", "epss": 0.00813, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2023-38711", "title": "CVE-2023-38711", "description": "An issue was discovered in Libreswan before 4.12. When an IKEv1 Quick Mode connection configured with ID_IPV4_ADDR or ID_IPV6_ADDR receives an IDcr payload with ID_FQDN, a NULL pointer dereference causes a crash and restart of the pluto daemon. NOTE: the earliest affected version is 4.6.", "references": ["https://github.com/libreswan/libreswan/tags", "https://libreswan.org/security/CVE-2023-38711/", "https://nvd.nist.gov/vuln/detail/CVE-2023-38711"], "fixes": [], "products": [{"name": "libreswan", "path": "vulns/ubuntu-25.10/libreswan", "ecosystem": "Ubuntu:25.10"}]}, {"id": "CVE-2023-38710", "noindex": false, "published": "2023-08-25T00:00:00.000Z", "modified": "2024-11-26T21:53:27.752Z", "cvss": 6.5, "cvss_vector": "", "severity": "medium", "epss": 0.00813, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2023-38710", "title": "CVE-2023-38710", "description": "An issue was discovered in Libreswan before 4.12. When an IKEv2 Child SA REKEY packet contains an invalid IPsec protocol ID number of 0 or 1, an error notify INVALID_SPI is sent back. The notify payload's protocol ID is copied from the incoming packet, but the code that verifies outgoing packets fails an assertion that the protocol ID must be ESP (2) or AH(3) and causes the pluto daemon to crash and restart. NOTE: the earliest affected version is 3.20.", "references": ["https://github.com/libreswan/libreswan/tags", "https://libreswan.org/security/CVE-2023-38710/", "https://nvd.nist.gov/vuln/detail/CVE-2023-38710"], "fixes": [], "products": [{"name": "libreswan", "path": "vulns/ubuntu-25.10/libreswan", "ecosystem": "Ubuntu:25.10"}]}, {"id": "CVE-2023-30570", "noindex": false, "published": "2023-05-28T00:00:00.000Z", "modified": "2025-01-14T18:14:42.811Z", "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": 0.01185, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2023-30570", "title": "CVE-2023-30570", "description": "pluto in Libreswan before 4.11 allows a denial of service (responder SPI mishandling and daemon crash) via unauthenticated IKEv1 Aggressive Mode packets. The earliest affected version is 3.28.", "references": ["https://libreswan.org/security/CVE-2023-30570/CVE-2023-30570.txt", "https://nvd.nist.gov/vuln/detail/CVE-2023-30570"], "fixes": [], "products": [{"name": "libreswan", "path": "vulns/ubuntu-25.10/libreswan", "ecosystem": "Ubuntu:25.10"}]}, {"id": "CVE-2023-2295", "noindex": false, "published": "2023-05-17T00:00:00.000Z", "modified": "2025-01-22T18:25:15.561Z", "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": 0.01581, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2023-2295", "title": "CVE-2023-2295", "description": "A vulnerability was found in the libreswan library. This security issue occurs when an IKEv1 Aggressive Mode packet is received with only unacceptable crypto algorithms, and the response packet is not sent with a zero responder SPI. When a subsequent packet is received where the sender reuses the libreswan responder SPI as its own initiator SPI, the pluto daemon state machine crashes. No remote code execution is possible. This CVE exists because of a CVE-2023-30570 security regression for libreswan package in Red Hat Enterprise Linux 8.8 and Red Hat Enterprise Linux 9.2.", "references": ["https://bugzilla.redhat.com/show_bug.cgi?id=2189777", "https://access.redhat.com/security/cve/CVE-2023-2295", "https://access.redhat.com/errata/RHSA-2023:3107"], "fixes": [], "products": [{"name": "libreswan", "path": "vulns/ubuntu-25.10/libreswan", "ecosystem": "Ubuntu:25.10"}]}, {"id": "CVE-2023-23009", "noindex": false, "published": "2023-02-21T00:00:00.000Z", "modified": "2025-03-17T17:02:28.993Z", "cvss": 6.5, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "severity": "medium", "epss": 0.01606, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2023-23009", "title": "CVE-2023-23009", "description": "Libreswan 4.9 allows remote attackers to cause a denial of service (assert failure and daemon restart) via crafted TS payload with an incorrect selector length.", "references": ["https://github.com/libreswan/libreswan/issues/954", "https://www.debian.org/security/2023/dsa-5368", "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2MFOIQX2LRL43P3GJT33DE7G7COHNXDN/"], "fixes": [], "products": [{"name": "libreswan", "path": "vulns/ubuntu-25.10/libreswan", "ecosystem": "Ubuntu:25.10"}]}], "total": 10, "unknown_count": 0, "release_unconfirmed": false, "page": 1, "pages": 1, "filtered": false, "noindex": false, "filters": {}, "page_size": 20, "products": [{"name": "libreswan", "path": "vulns/ubuntu-25.10/libreswan", "ecosystem": "Ubuntu:25.10"}], "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": "2026-07-07T17:02:12.976Z", "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. 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