{"id":"CVE-2025-70888","aliases":["DEBIAN-CVE-2025-70888","EUVD-2025-209012","GHSA-m387-6h4v-93hp","UBUNTU-CVE-2025-70888","openSUSE-SU-2026:10482-1","openSUSE-SU-2026:20473-1"],"status":"published","title":"An issue in mtrojnar Osslsigncode affected at v2.10 and before allows a remote attacker to...","description":"An issue in mtrojnar Osslsigncode affected at v2.10 and before allows a remote attacker to escalate privileges via the osslsigncode.c component","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00512,"percentile":0.44155,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-269"],"published":"2026-03-25T00:00:00Z","modified":"2026-10-28T02:31:13Z","fixes":[{"ecosystem":"Debian:14","package":"osslsigncode","fixed_in":["2.11-1"],"sources":["osv"]},{"ecosystem":"openSUSE:Tumbleweed","package":"osslsigncode","fixed_in":["2.13-1.1"],"sources":["osv"]},{"ecosystem":"openSUSE:Leap 16.0","package":"osslsigncode","fixed_in":["2.13-bp160.1.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"osslsigncode","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.10-1","2.11-1","2.12-1","2.13-1","2.13-2","2.14-1","2.5-4","2.8-1","2.8-2","2.9-1","2.9-1~bpo12+1","2.9-2"]},{"source":"osv","ecosystem":"Debian:13","package":"osslsigncode","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.10-1","2.11-1","2.12-1","2.13-1","2.13-2","2.14-1","2.9-2"]},{"source":"osv","ecosystem":"Debian:14","package":"osslsigncode","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.11-1"}]}],"versions":["2.10-1","2.9-2"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"osslsigncode","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.7.1-1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"osslsigncode","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.7.1-2build1","1.7.1-2ubuntu1","1.7.1-3"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"osslsigncode","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0-1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"osslsigncode","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.1-1","2.2-1ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"osslsigncode","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.5-4","2.8-2"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"osslsigncode","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.9-2"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"osslsigncode","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.13-1","2.13-2","2.14-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"osslsigncode","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.9-2","2.10-1","2.11-1","2.12-1","2.13-1"]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"osslsigncode","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.13-1.1"}]}]},{"source":"osv","ecosystem":"openSUSE:Leap 16.0","package":"osslsigncode","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.13-bp160.1.1"}]}]}],"products":[{"vendor":"osslsigncode_project","product":"osslsigncode"}],"references":[{"url":"https://github.com/ralphje/signify/issues/60","tags":["Issue Tracking","Third Party Advisory","report"]},{"url":"https://github.com/mtrojnar/osslsigncode/issues/475","tags":["Issue Tracking","Third Party Advisory","report"]},{"url":"https://github.com/mtrojnar/osslsigncode/pull/477","tags":["Issue Tracking","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-70888","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-m387-6h4v-93hp"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/70xxx/CVE-2025-70888.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2025-70888","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2025-70888","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-70888","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2025-70888","tags":["web"]},{"url":"https://bugzilla.suse.com/1260680","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2025-70888","description":"An issue in mtrojnar Osslsigncode affected at v2.10 and before allows a remote attacker to escalate privileges via the osslsigncode.c component","status":"published","published":"2026-03-25T00:00:00Z","modified":"2026-03-28T01:23:35.847Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:32:25.186422Z"}],"euvd":[{"id":"EUVD-2025-209012","description":"An issue in mtrojnar Osslsigncode affected at v2.10 and before allows a remote attacker to escalate privileges via the osslsigncode.c component","status":"published","published":"2026-03-25T00:00:00Z","modified":"2026-03-28T01:23:35Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T19:25:26.783049Z"}],"ghsa":[{"id":"GHSA-m387-6h4v-93hp","title":"An issue in mtrojnar Osslsigncode affected at v2.10 and before allows a remote attacker to...","description":"An issue in mtrojnar Osslsigncode affected at v2.10 and before allows a remote attacker to escalate privileges via the osslsigncode.c component","status":"published","published":"2026-03-25T21:30:35Z","modified":"2026-03-28T03:32:30Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T15:06:54.610516Z"}],"nvd":[{"id":"CVE-2025-70888","description":"An issue in mtrojnar Osslsigncode affected at v2.10 and before allows a remote attacker to escalate privileges via the osslsigncode.c component","status":"published","published":"2026-03-25T20:16:22.463Z","modified":"2026-06-17T10:03:26.75Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:12:01.641503Z"}],"osv":[{"id":"CVE-2025-70888","description":"An issue in mtrojnar Osslsigncode affected at v2.10 and before allows a remote attacker to escalate privileges via the osslsigncode.c component","status":"published","published":"2026-03-25T00:00:00Z","modified":"2026-10-28T02:31:13.895525646Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:52.859856Z"},{"id":"DEBIAN-CVE-2025-70888","description":"An issue in mtrojnar Osslsigncode affected at v2.10 and before allows a remote attacker to escalate privileges via the osslsigncode.c component","status":"published","published":"2026-03-25T20:16:22.463Z","modified":"2026-09-01T20:05:58.012829683Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:45:48.025964Z"},{"id":"UBUNTU-CVE-2025-70888","description":"An issue in mtrojnar Osslsigncode affected at v2.10 and before allows a remote attacker to escalate privileges via the osslsigncode.c component","status":"published","published":"2026-03-25T20:16:00Z","modified":"2026-10-17T12:57:41.839267414Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T16:55:55.926217Z"},{"id":"openSUSE-SU-2026:10482-1","title":"osslsigncode-2.13-1.1 on GA media","description":"These are all security issues fixed in the osslsigncode-2.13-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-04-02T00:00:00Z","modified":"2026-04-03T07:45:35.081901Z","updated_at":"2026-11-02T16:58:38.415593Z"},{"id":"openSUSE-SU-2026:20473-1","title":"Security update for osslsigncode","description":"This update for osslsigncode fixes the following issues:\n\nChanges in osslsigncode:\n\n- Update to 2.13 (bsc#1260680, CVE-2025-70888):\n  * fixed integer overflows when processing APPX compressed data\n    streams\n  * fixed double-free vulnerabilities in APPX file processing\n  * fixed multiple memory corruption issues in PE page hash\n    computation\n\n- Changes from 2.12:\n  * fixed a buffer overflow while extracting message digests\n\n- Changes from 2.11:\n  * added keyUsage validation for signer certificate\n  * added printing CRL details during signature verification\n  * implemented a workaround for CRL servers returning the\n    HTTP Content-Type header other than application/pkix-crl\n  * fixed HTTP keep-alive handling\n  * fixed macOS compiler and linker flags\n  * fixed undefined BIO_get_fp() behavior with\n    BIO_FLAGS_UPLINK_INTERNAL\n\n- update to 2.10:\n  * added JavaScript signing\n  * added PKCS#11 provider support (requires OpenSSL 3.0+)\n  * added support for providers without specifying\n    \"-pkcs11module\" option\n  * (OpenSSL 3.0+, e.g., for the upcoming CNG provider)\n  * added compatibility with the CNG engine version 1.1 or later\n  * added the \"-engineCtrl\" option to control hardware and CNG\n    engines\n  * added the '-blobFile' option to specify a file containing the\n    blob content\n  * improved unauthenticated blob support (thanks to Asger Hautop\n    Drewsen)\n  * improved UTF-8 handling for certificate subjects and issuers\n  * fixed support for multiple signerInfo contentType OIDs (CTL\n    and Authenticode)\n  * fixed tests for python-cryptography \u003e= 43.0.0\n\n- update to version 2.9:\n  * added a 64 bit long pseudo-random NONCE in the TSA request\n  * missing NID_pkcs9_signingTime is no longer an error\n  * added support for PEM-encoded CRLs\n  * fixed the APPX central directory sorting order\n  * added a special \"-\" file name to read the passphrase from\n    stdin\n  * used native HTTP client with OpenSSL 3.x, removing libcurl\n    dependency\n  * added '-login' option to force a login to PKCS11 engines\n  * added the \"-ignore-crl\" option to disable fetching and\n    verifying CRL Distribution Points\n  * changed error output to stderr instead of stdout\n  * various testing framework improvements\n  * various memory corruption fixes\n\n- update to version 2.8:\n  * Microsoft PowerShell signing sponsored by Cisco Systems, Inc.\n  * fixed setting unauthenticated attributes (Countersignature,\n    Unauthenticated\n  * Data Blob) in a nested signature\n  * added the \"-index\" option to verify a specific signature or\n    modify its unauthenticated attributes\n  * added CAT file verification\n  * added listing the contents of a CAT file with the \"-verbose\"\n    option\n  * added the new \"extract-data\" command to extract a PKCS#7 data\n    content to be signed with \"sign\" and attached with \"attach-signature\"\n  * added PKCS9_SEQUENCE_NUMBER authenticated attribute support\n  * added the \"-ignore-cdp\" option to disable CRL Distribution\n    Points (CDP) online verification\n  * unsuccessful CRL retrieval and verification changed into a\n    critical error the \"-p\" option modified to also use to\n    configured proxy to connect CRL Distribution Points\n  * added implicit allowlisting of the Microsoft Root Authority\n    serial number 00C1008B3C3C8811D13EF663ECDF40\n  * added listing of certificate chain retrieved from the\n    signature in case of verification failure\n","status":"published","published":"2026-04-07T07:50:40Z","modified":"2026-04-10T18:24:25.695407Z","updated_at":"2026-11-02T16:58:41.463445Z"}]}}