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2.0.46, and 3.x before 3.0.33, some characters in Subject Alternative Name fields in TLS certificates are incorrectly allowed to have a special meaning in regular expressions (such as a + wildcard), leading to name confusion in X.509 certificate host verification.","status":"published","published":"2024-06-27T22:15:10.277Z","modified":"2026-10-26T18:02:51.676675025Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:45:40.889463Z"},{"id":"GHSA-ff7q-6vwh-v9m4","title":"Name confusion in x509 Subject Alternative Name fields","description":"In phpseclib before 1.0.22, 2.x before 2.0.46, and 3.x before 3.0.33, some characters in Subject Alternative Name fields in TLS certificates are incorrectly allowed to have a special meaning in regular expressions (such as a + wildcard), leading to name confusion in X.509 certificate host verification.","status":"published","published":"2024-06-28T00:33:31Z","modified":"2024-06-28T19:13:30.745817Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"},{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-436"],"updated_at":"2026-11-02T15:46:46.39441Z"},{"id":"UBUNTU-CVE-2023-52892","description":"In phpseclib before 1.0.22, 2.x before 2.0.46, and 3.x before 3.0.33, some characters in Subject Alternative Name fields in TLS certificates are incorrectly allowed to have a special meaning in regular expressions (such as a + wildcard), leading to name confusion in X.509 certificate host verification.","status":"published","published":"2024-06-27T22:15:00Z","modified":"2026-10-06T23:30:56.318041837Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T16:54:27.083705Z"},{"id":"CLSA-2026-1779065206","title":"TuxCare security update for phpseclib/phpseclib (4 CVEs)","description":"TuxCare rebuilt phpseclib/phpseclib to address 4 CVEs. Fixed in 0.3.10-p1+tuxcare.","status":"published","published":"2026-08-04T14:52:32Z","modified":"2026-10-15T09:47:41.999375702Z","updated_at":"2026-11-02T15:43:44.737408Z"},{"id":"DLA-4518-1","title":"phpseclib - security update","status":"published","published":"2026-03-30T00:00:00Z","modified":"2026-03-30T18:01:41.088764Z","updated_at":"2026-11-02T15:46:13.207219Z"},{"id":"USN-7404-1","title":"phpseclib vulnerabilities","description":"It was discovered that phpseclib did not correctly handle RSA PKCS#1\nv1.5 signature verification. An attacker could possibly use this issue to\nbypass authentication. This issue only affected Ubuntu 20.04 LTS.\n(CVE-2021-30130)\n\nIt was discovered that phpseclib did not correctly handle certain\ncharacters in certain TLS fields, which could lead to name confusion.\nAn attacker could possibly use this issue to bypass authentication.\n(CVE-2023-52892)\n\nIt was discovered that phpseclib incorrectly limited the size of prime\nnumbers generated by isPrime. An attacker could possibly use this issue\nto cause a denial of service. (CVE-2024-27354)\n\nIt was discovered that phpseclib did not correctly handle processing the\nASN.1 object identifier of a certificate. An attacker could possibly use\nthis issue to cause a denial of service. This issue only affected\nUbuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2024-27355)\n","status":"published","published":"2025-04-02T01:35:46Z","modified":"2026-06-25T13:32:30.293856464Z","updated_at":"2026-11-02T16:58:19.988474Z"},{"id":"USN-8769-1","title":"phpseclib vulnerability","description":"It was discovered that phpseclib did not perform padding validation in\nconstant time when using AES in CBC mode. A remote attacker could possibly\nuse this issue to conduct a padding oracle timing attack and obtain\nsensitive information.","status":"published","published":"2026-09-15T15:59:40Z","modified":"2026-09-16T02:57:28.071001132Z","updated_at":"2026-11-02T16:58:26.907654Z"}]}}