{"id":"CVE-2025-50343","aliases":["DEBIAN-CVE-2025-50343","DLA-4459-1","EUVD-2025-205846","GHSA-54r5-8767-w6vq","UBUNTU-CVE-2025-50343","openSUSE-SU-2026:10094-1"],"status":"rejected","title":"An issue was discovered in matio 1.5.28. A heap-based memory corruption can occur in...","description":"DO NOT USE THIS CVE RECORD. ConsultIDs: none. Reason: This record was withdrawn by its CNA. Further investigation showed that it was not a security issue. Notes: none.","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","from":"ghsa"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-122"],"published":"2025-12-30T00:00:00Z","modified":"2026-10-28T20:16:11Z","fixes":[{"ecosystem":"Debian:12","package":"libmatio","fixed_in":["1.5.23-2+deb12u1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"libmatio","fixed_in":["1.5.30-2"],"sources":["osv"]},{"ecosystem":"openSUSE:Tumbleweed","package":"matio","fixed_in":["1.5.30-1.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"libmatio","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.23-2+deb12u1"}]}],"versions":["1.5.23-2"]},{"source":"osv","ecosystem":"Debian:13","package":"libmatio","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.5.28-2","1.5.29-1","1.5.30-1","1.5.30-2","1.5.30-3","1.5.30-4","1.6.0-1"]},{"source":"osv","ecosystem":"Debian:14","package":"libmatio","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.30-2"}]}],"versions":["1.5.28-2","1.5.29-1","1.5.30-1"]},{"source":"osv","ecosystem":"Debian:11","package":"libmatio","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.19-2+deb11u1"}]}],"versions":["1.5.19-2"],"bundled":3},{"source":"osv","ecosystem":"Ubuntu:Pro:14.04:LTS","package":"libmatio","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.5.1-1","1.5.2-1","1.5.2-1ubuntu1","1.5.2-1ubuntu1+esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"libmatio","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.5.2-3build2","1.5.3-1","1.5.3-1ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"libmatio","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.5.10-1","1.5.11-1","1.5.11-1ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"libmatio","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.5.13-3","1.5.17-3","1.5.17-3ubuntu0.1~esm1","1.5.17-3ubuntu0.1~esm2"]},{"source":"osv","ecosystem":"Ubuntu:Pro:22.04:LTS","package":"libmatio","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.5.19-2","1.5.21-1","1.5.21-1ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"libmatio","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.5.23-2","1.5.24-1","1.5.26-1","1.5.26-1build1","1.5.26-1build2","1.5.26-1build3"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"libmatio","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.5.28-1build1","1.5.28-2"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"libmatio","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.5.30-2","1.5.30-4","1.5.30-4build1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"libmatio","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.5.28-2","1.5.29-1","1.5.30-2"]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"matio","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.30-1.1"}]}]}],"references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-50343","tags":["advisory"]},{"url":"https://github.com/tbeu/matio/issues/275","tags":["report"]},{"url":"https://github.com/zakkanijia/POC/blob/main/matio/CVE-2025-50343/matio.md","tags":["web","report"]},{"url":"https://github.com/advisories/GHSA-54r5-8767-w6vq"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/50xxx/CVE-2025-50343.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2025-50343","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2025-50343","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-50343","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2025-50343","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2025-50343","description":"DO NOT USE THIS CVE RECORD. ConsultIDs: none. Reason: This record was withdrawn by its CNA. Further investigation showed that it was not a security issue. Notes: none.","status":"rejected","published":"2025-12-30T00:00:00Z","modified":"2026-10-21T16:21:54.768Z","updated_at":"2026-11-02T14:32:52.526476Z"}],"euvd":[{"id":"EUVD-2025-205846","description":"DO NOT USE THIS CVE RECORD. ConsultIDs: none. Reason: This record was withdrawn by its CNA. Further investigation showed that it was not a security issue. Notes: none.","status":"published","published":"2025-12-30T00:00:00Z","modified":"2026-10-21T16:21:54Z","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":"2026-11-02T16:59:36.259658Z"}],"ghsa":[{"id":"GHSA-54r5-8767-w6vq","title":"An issue was discovered in matio 1.5.28. A heap-based memory corruption can occur in...","description":"An issue was discovered in matio 1.5.28. A heap-based memory corruption can occur in Mat_VarCreateStruct() when the nfields value does not match the actual number of strings in the fields array. This leads to out-of-bounds reads and invalid memory frees during cleanup, potentially causing a segmentation fault or heap corruption.","status":"published","published":"2025-12-30T21:30:32Z","modified":"2026-01-02T18:31:27Z","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-122"],"updated_at":"2026-11-02T15:05:29.313795Z"}],"nvd":[{"id":"CVE-2025-50343","description":"Rejected reason: DO NOT USE THIS CVE RECORD. ConsultIDs: none. Reason: This record was withdrawn by its CNA. Further investigation showed that it was not a security issue. Notes: none.","status":"rejected","published":"2025-12-30T20:16:00.217Z","modified":"2026-10-21T17:17:28.947Z","updated_at":"2026-11-02T14:11:54.323368Z"}],"osv":[{"id":"CVE-2025-50343","description":"An issue was discovered in matio 1.5.28. A heap-based memory corruption can occur in Mat_VarCreateStruct() when the nfields value does not match the actual number of strings in the fields array. This leads to out-of-bounds reads and invalid memory frees during cleanup, potentially causing a segmentation fault or heap corruption. NOTE: Multiple third-parties note that the available evidence does not demonstrate a vulnerability exploitable through an attacker-controlled input path.","status":"published","published":"2025-12-30T00:00:00Z","modified":"2026-10-20T11:08:23.800821691Z","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":"2026-11-02T15:44:50.037003Z"},{"id":"DEBIAN-CVE-2025-50343","description":"An issue was discovered in matio 1.5.28. A heap-based memory corruption can occur in Mat_VarCreateStruct() when the nfields value does not match the actual number of strings in the fields array. This leads to out-of-bounds reads and invalid memory frees during cleanup, potentially causing a segmentation fault or heap corruption. NOTE: Multiple third-parties note that the available evidence does not demonstrate a vulnerability exploitable through an attacker-controlled input path.","status":"published","published":"2025-12-30T20:16:00.217Z","modified":"2026-10-01T08:47:32.793528757Z","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":"2026-11-02T15:45:47.378563Z"},{"id":"UBUNTU-CVE-2025-50343","description":"Rejected reason: DO NOT USE THIS CVE RECORD. ConsultIDs: none. Reason: This record was withdrawn by its CNA. Further investigation showed that it was not a security issue. Notes: none.","status":"published","published":"2025-12-30T20:16:00Z","modified":"2026-10-28T20:16:11.983480368Z","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":"2026-11-02T16:55:50.31802Z"},{"id":"DLA-4459-1","title":"libmatio - security update","status":"published","published":"2026-01-29T00:00:00Z","modified":"2026-01-29T13:30:07.277896Z","updated_at":"2026-11-02T15:46:12.7027Z"},{"id":"openSUSE-SU-2026:10094-1","title":"libmatio-devel-1.5.30-1.1 on GA media","description":"These are all security issues fixed in the libmatio-devel-1.5.30-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-01-26T00:00:00Z","modified":"2026-03-23T04:54:26.979811Z","updated_at":"2026-11-02T16:58:38.101535Z"}]}}