{"id":"CVE-2025-43903","aliases":["CLSA-2026-1784038553","CLSA-2026-1784899428","DEBIAN-CVE-2025-43903","EUVD-2025-11892","GHSA-4w9g-4h2x-7qxq","JLSEC-2026-87","MGASA-2025-0143","OESA-2025-1476","OESA-2025-1477","OESA-2025-2520","OESA-2025-2521","OESA-2025-2522","SUSE-SU-2025:1434-1","UBUNTU-CVE-2025-43903","USN-7471-1"],"status":"published","title":"NSSCryptoSignBackend.cc in Poppler before 25.04.0 does not verify the adbe.pkcs7.sha1 signatures...","description":"NSSCryptoSignBackend.cc in Poppler before 25.04.0 does not verify the adbe.pkcs7.sha1 signatures on documents, resulting in potential signature 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"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2025-2520","tags":["advisory"]},{"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2025-2521","tags":["advisory"]},{"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2025-2522","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2025/suse-su-20251434-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1241620","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2025-43903","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2025-43903","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-43903","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2025-43903","description":"NSSCryptoSignBackend.cc 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signatures...","description":"NSSCryptoSignBackend.cc in Poppler before 25.04.0 does not verify the adbe.pkcs7.sha1 signatures on documents, resulting in potential signature forgeries.","status":"published","published":"2025-04-18T21:31:21Z","modified":"2025-04-18T21:31:28Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T15:01:38.442003Z"}],"nvd":[{"id":"CVE-2025-43903","description":"NSSCryptoSignBackend.cc in Poppler before 25.04.0 does not verify the adbe.pkcs7.sha1 signatures on documents, resulting in potential signature forgeries.","status":"published","published":"2025-04-18T21:15:44.673Z","modified":"2026-06-17T09:24:42.673Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T14:11:01.507281Z"}],"osv":[{"id":"CVE-2025-43903","description":"NSSCryptoSignBackend.cc in Poppler before 25.04.0 does not verify the adbe.pkcs7.sha1 signatures on documents, resulting in potential signature forgeries.","status":"published","published":"2025-04-18T00:00:00Z","modified":"2026-10-28T10:51:41.480981212Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T15:44:49.707645Z"},{"id":"DEBIAN-CVE-2025-43903","description":"NSSCryptoSignBackend.cc in Poppler before 25.04.0 does not verify the adbe.pkcs7.sha1 signatures on documents, resulting in potential signature forgeries.","status":"published","published":"2025-04-18T21:15:44.673Z","modified":"2026-09-01T20:05:52.564819273Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"low"}],"updated_at":"2026-11-02T15:45:47.378563Z"},{"id":"JLSEC-2026-87","title":"NSSCryptoSignBackend.cc in Poppler before 25.04.0 does not verify the adbe.pkcs7.sha1 signatures on...","description":"NSSCryptoSignBackend.cc in Poppler before 25.04.0 does not verify the adbe.pkcs7.sha1 signatures on documents, resulting in potential signature forgeries.","status":"published","published":"2026-04-13T13:20:05.063Z","modified":"2026-07-25T18:24:54.327970126Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"low"}],"updated_at":"2026-11-02T15:47:19.003546Z"},{"id":"OESA-2025-1476","title":"poppler security update","description":"is a PDF rendering library.\r\n\r\nSecurity Fix(es):\n\nNSSCryptoSignBackend.cc in Poppler before 25.04.0 does not verify the adbe.pkcs7.sha1 signatures on documents, resulting in potential signature forgeries.(CVE-2025-43903)","status":"published","published":"2025-05-09T11:08:34Z","modified":"2026-08-18T01:18:50.334334374Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:52:42.714349Z"},{"id":"OESA-2025-1477","title":"poppler security update","description":"is a PDF rendering library.\r\n\r\nSecurity Fix(es):\n\nNSSCryptoSignBackend.cc in Poppler before 25.04.0 does not verify the adbe.pkcs7.sha1 signatures on documents, resulting in potential signature forgeries.(CVE-2025-43903)","status":"published","published":"2025-05-09T11:08:34Z","modified":"2026-08-18T01:18:50.431265264Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:52:42.714349Z"},{"id":"OESA-2025-2520","title":"poppler security update","description":"is a PDF rendering library.\r\n\r\nSecurity Fix(es):\n\nNSSCryptoSignBackend.cc in Poppler before 25.04.0 does not verify the adbe.pkcs7.sha1 signatures on documents, resulting in potential signature forgeries.(CVE-2025-43903)","status":"published","published":"2025-10-24T11:09:36Z","modified":"2026-08-18T01:19:16.018758985Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"low"}],"updated_at":"2026-11-02T15:52:44.957082Z"},{"id":"OESA-2025-2521","title":"poppler security update","description":"is a PDF rendering library.\r\n\r\nSecurity Fix(es):\n\nNSSCryptoSignBackend.cc in Poppler before 25.04.0 does not verify the adbe.pkcs7.sha1 signatures on documents, resulting in potential signature forgeries.(CVE-2025-43903)","status":"published","published":"2025-10-24T11:09:37Z","modified":"2026-08-18T01:19:15.955901238Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"low"}],"updated_at":"2026-11-02T15:52:44.957082Z"},{"id":"OESA-2025-2522","title":"poppler security update","description":"is a PDF rendering library.\r\n\r\nSecurity Fix(es):\n\nNSSCryptoSignBackend.cc in Poppler before 25.04.0 does not verify the adbe.pkcs7.sha1 signatures on documents, resulting in potential signature forgeries.(CVE-2025-43903)","status":"published","published":"2025-10-24T11:09:37Z","modified":"2026-08-18T01:19:16.125162269Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"low"}],"updated_at":"2026-11-02T15:52:44.957082Z"},{"id":"UBUNTU-CVE-2025-43903","description":"NSSCryptoSignBackend.cc in Poppler before 25.04.0 does not verify the adbe.pkcs7.sha1 signatures on documents, resulting in potential signature forgeries.","status":"published","published":"2025-04-18T21:15:00Z","modified":"2026-04-22T16:03:04.268948Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N","level":"medium"},{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"low"}],"updated_at":"2026-11-02T16:55:50.31802Z"},{"id":"CLSA-2026-1784038553","title":"poppler: Fix of CVE-2025-43903","description":"- CVE-2025-43903: properly verify adbe.pkcs7.sha1 signatures in SignatureHandler::validateSignature to prevent signature forgeries","status":"published","published":"2026-07-14T14:16:14Z","modified":"2026-10-26T09:31:17.067122076Z","updated_at":"2026-11-02T15:43:46.151924Z"},{"id":"CLSA-2026-1784899428","title":"poppler: Fix of CVE-2025-43903","description":"- CVE-2025-43903: properly verify adbe.pkcs7.sha1 signatures in SignatureHandler::validateSignature to prevent signature forgeries","status":"published","published":"2026-07-24T13:24:13Z","modified":"2026-10-26T09:30:27.491355817Z","updated_at":"2026-11-02T15:43:46.482572Z"},{"id":"MGASA-2025-0143","title":"Updated poppler packages fix security vulnerability","description":"NSSCryptoSignBackend.cc in Poppler before 25.04.0 does not verify the\nadbe.pkcs7.sha1 signatures on documents, resulting in potential\nsignature forgeries. (CVE-2025-43903)\n","status":"published","published":"2025-05-05T04:57:03Z","modified":"2026-05-16T06:30:46.654305Z","updated_at":"2026-11-02T15:49:43.178336Z"},{"id":"SUSE-SU-2025:1434-1","title":"Security update for poppler","description":"This update for poppler fixes the following issues:\n\n- CVE-2025-43903: improper verification of adbe.pkcs7.sha1 signatures allows for signature forgeries. (bsc#1241620)\n","status":"published","published":"2025-05-02T10:37:00Z","modified":"2026-03-23T04:50:00.517897Z","updated_at":"2026-11-02T15:53:59.381172Z"},{"id":"USN-7471-1","title":"poppler vulnerabilities","description":"It was discovered that poppler did not properly verify adbe.pkcs7.sha1\nsignatures in PDF documents. An attacker could possibly use this issue\nto create documents with forged signatures that are treated as\nlegitimately signed.\n","status":"published","published":"2025-04-29T22:23:06Z","modified":"2026-04-22T10:57:30.835244Z","updated_at":"2026-11-02T16:58:19.988474Z"}]}}