{"id":"CVE-2025-53644","aliases":["DEBIAN-CVE-2025-53644","EUVD-2025-21795","JLSEC-2026-569","UBUNTU-CVE-2025-53644"],"status":"published","title":"OpenCV contains a use after free buffer write due to an uninitialized pointer","description":"OpenCV is an Open Source Computer Vision Library. Versions 4.10.0 and 4.11.0 have an uninitialized pointer variable on stack that may lead to arbitrary heap buffer write when reading crafted JPEG images. Version 4.12.0 fixes the vulnerability.","severity":{"version":"4.0","score":6.6,"vector":"CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00438,"percentile":0.38351,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-457"],"published":"2025-07-17T17:58:26Z","modified":"2026-10-28T11:02:04Z","fixes":[{"ecosystem":"Debian:12","package":"opencv","fixed_in":["3.2.0+dfsg-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"opencv","fixed_in":["3.2.0+dfsg-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"opencv","fixed_in":["3.2.0+dfsg-1"],"sources":["osv"]},{"ecosystem":"Julia","package":"OpenCV_jll","fixed_in":["4.13.0+0"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"opencv","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.0+dfsg-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"opencv","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.0+dfsg-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"opencv","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.0+dfsg-1"}]}]},{"source":"osv","ecosystem":"Julia","package":"OpenCV_jll","ranges":[{"type":"SEMVER","events":[{"introduced":"4.10.0+0"},{"fixed":"4.13.0+0"}]}]}],"products":[{"vendor":"opencv","product":"opencv"}],"references":[{"url":"https://securitylab.github.com/advisories/GHSL-2025-057_OpenCV/","tags":["x_refsource_CONFIRM","Exploit","Third Party Advisory","advisory","web","report"]},{"url":"https://github.com/opencv/opencv/issues/27271","tags":["x_refsource_MISC","Issue Tracking","report","web"]},{"url":"https://github.com/opencv/opencv/commit/a39db41390de546d18962ee1278bd6dbb715f466","tags":["x_refsource_MISC","Patch","fix","web","report"]},{"url":"https://github.com/opencv/opencv/releases/tag/4.12.0","tags":["x_refsource_MISC","Release Notes","web","report"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/53xxx/CVE-2025-53644.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-53644","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2025-53644","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2025-53644","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-53644","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2025-53644","title":"OpenCV contains a use after free buffer write due to an uninitialized pointer","description":"OpenCV is an Open Source Computer Vision Library. Versions 4.10.0 and 4.11.0 have an uninitialized pointer variable on stack that may lead to arbitrary heap buffer write when reading crafted JPEG images. Version 4.12.0 fixes the vulnerability.","status":"published","published":"2025-07-17T17:58:26.493Z","modified":"2025-09-26T21:56:54.102Z","cvss":[{"version":"4.0","score":6.6,"vector":"CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P","level":"medium","assessor":"cna"}],"cwes":["CWE-457"],"updated_at":"2026-11-02T14:32:49.180768Z"}],"euvd":[{"id":"EUVD-2025-21795","description":"OpenCV is an Open Source Computer Vision Library. Versions 4.10.0 and 4.11.0 have an uninitialized pointer variable on stack that may lead to arbitrary heap buffer write when reading crafted JPEG images. Version 4.12.0 fixes the vulnerability.","status":"published","published":"2025-07-17T17:58:26Z","modified":"2025-09-26T21:56:54Z","cvss":[{"version":"4.0","score":6.6,"vector":"CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P","level":"medium"}],"updated_at":"2026-11-02T20:31:39.009822Z"}],"nvd":[{"id":"CVE-2025-53644","description":"OpenCV is an Open Source Computer Vision Library. Versions 4.10.0 and 4.11.0 have an uninitialized pointer variable on stack that may lead to arbitrary heap buffer write when reading crafted JPEG images. Version 4.12.0 fixes the vulnerability.","status":"published","published":"2025-07-17T18:15:27.913Z","modified":"2026-06-17T09:38:37.833Z","cvss":[{"version":"4.0","score":6.6,"vector":"CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"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":"primary"}],"cwes":["CWE-457"],"updated_at":"2026-11-02T14:11:18.782156Z"}],"osv":[{"id":"CVE-2025-53644","title":"OpenCV contains a use after free buffer write due to an uninitialized pointer","description":"OpenCV is an Open Source Computer Vision Library. Versions 4.10.0 and 4.11.0 have an uninitialized pointer variable on stack that may lead to arbitrary heap buffer write when reading crafted JPEG images. Version 4.12.0 fixes the vulnerability.","status":"published","published":"2025-07-17T17:58:26.493Z","modified":"2026-10-28T11:02:04.967028854Z","cvss":[{"version":"4.0","score":6.6,"vector":"CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P","level":"medium"}],"cwes":["CWE-457"],"updated_at":"2026-11-02T15:44:50.45326Z"},{"id":"DEBIAN-CVE-2025-53644","description":"OpenCV is an Open Source Computer Vision Library. Versions 4.10.0 and 4.11.0 have an uninitialized pointer variable on stack that may lead to arbitrary heap buffer write when reading crafted JPEG images. Version 4.12.0 fixes the vulnerability.","status":"published","published":"2025-07-17T18:15:27.913Z","modified":"2026-09-01T20:05:53.933849224Z","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":"JLSEC-2026-569","description":"OpenCV is an Open Source Computer Vision Library. Versions 4.10.0 and 4.11.0 have an uninitialized pointer variable on stack that may lead to arbitrary heap buffer write when reading crafted JPEG images. Version 4.12.0 fixes the vulnerability.","status":"published","published":"2026-06-05T15:18:28.412Z","modified":"2026-07-18T00:02:13.241894871Z","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"},{"version":"4.0","score":6.6,"vector":"CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"}],"updated_at":"2026-11-02T15:47:18.573531Z"},{"id":"UBUNTU-CVE-2025-53644","description":"OpenCV is an Open Source Computer Vision Library. Versions prior to 4.12.0 have an uninitialized pointer variable on stack that may lead to arbitrary heap buffer write when reading crafted JPEG images. Version 4.12.0 fixes the vulnerability.","status":"withdrawn","published":"2025-07-17T18:15:00Z","modified":"2025-09-08T17:11:58Z","cvss":[{"version":"4.0","score":6.6,"vector":"CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P","level":"medium"}],"updated_at":"2026-11-02T16:55:50.31802Z"}]}}