{"id":"CVE-2021-45908","aliases":["DEBIAN-CVE-2021-45908","EUVD-2021-32623","GHSA-7c52-4c49-68xc","UBUNTU-CVE-2021-45908"],"status":"published","title":"An issue was discovered in gif2apng 1.9. There is a stack-based buffer overflow involving a while...","description":"An issue was discovered in gif2apng 1.9. There is a stack-based buffer overflow involving a while loop. An attacker has little influence over the data written to the stack, making it unlikely that the flow of control can be subverted.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00755,"percentile":0.55383,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2021-12-28T00:02:28Z","modified":"2026-08-27T23:04:43Z","affected":[{"source":"osv","ecosystem":"Debian:11","package":"gif2apng","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.9+srconly-3","1.9+srconly-3+deb11u1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"gif2apng","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.7-3","1.7-3ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"gif2apng","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.9+srconly-2","1.9+srconly-2ubuntu0.1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"gif2apng","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.9+srconly-3","1.9+srconly-3build1","1.9+srconly-3ubuntu0.1"]}],"products":[{"vendor":"gif2apng_project","product":"gif2apng"}],"references":[{"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1002669","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Mailing List","Third Party Advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-45908"},{"url":"https://github.com/advisories/GHSA-7c52-4c49-68xc"},{"url":"https://security-tracker.debian.org/tracker/CVE-2021-45908","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2021-45908","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-45908","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2021-45908","description":"An issue was discovered in gif2apng 1.9. There is a stack-based buffer overflow involving a while loop. An attacker has little influence over the data written to the stack, making it unlikely that the flow of control can be subverted.","status":"published","published":"2021-12-28T00:02:28Z","modified":"2024-08-04T04:54:31.053Z","updated_at":"2026-11-02T14:33:02.580561Z"}],"euvd":[{"id":"EUVD-2021-32623","description":"An issue was discovered in gif2apng 1.9. There is a stack-based buffer overflow involving a while loop. An attacker has little influence over the data written to the stack, making it unlikely that the flow of control can be subverted.","status":"published","published":"2021-12-28T00:02:28Z","modified":"2024-08-04T04:54:31Z","updated_at":"2026-11-03T03:08:25.222984Z"}],"ghsa":[{"id":"GHSA-7c52-4c49-68xc","title":"An issue was discovered in gif2apng 1.9. There is a stack-based buffer overflow involving a while...","description":"An issue was discovered in gif2apng 1.9. There is a stack-based buffer overflow involving a while loop. An attacker has little influence over the data written to the stack, making it unlikely that the flow of control can be subverted.","status":"published","published":"2021-12-29T00:00:46Z","modified":"2023-02-03T05:03:53Z","cwes":["CWE-787"],"updated_at":"2026-11-02T14:53:26.852274Z"}],"nvd":[{"id":"CVE-2021-45908","description":"An issue was discovered in gif2apng 1.9. There is a stack-based buffer overflow involving a while loop. An attacker has little influence over the data written to the stack, making it unlikely that the flow of control can be subverted.","status":"published","published":"2021-12-28T01:15:07.48Z","modified":"2026-06-17T04:14:14.1Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:07:02.977492Z"}],"osv":[{"id":"CVE-2021-45908","description":"An issue was discovered in gif2apng 1.9. There is a stack-based buffer overflow involving a while loop. An attacker has little influence over the data written to the stack, making it unlikely that the flow of control can be subverted.","status":"published","published":"2021-12-28T01:15:07.48Z","modified":"2026-03-14T11:17:24.764254Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:22.18434Z"},{"id":"DEBIAN-CVE-2021-45908","description":"An issue was discovered in gif2apng 1.9. There is a stack-based buffer overflow involving a while loop. An attacker has little influence over the data written to the stack, making it unlikely that the flow of control can be subverted.","status":"published","published":"2021-12-28T01:15:07.48Z","modified":"2026-08-27T23:04:43.244522603Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:35.799676Z"},{"id":"UBUNTU-CVE-2021-45908","description":"An issue was discovered in gif2apng 1.9. There is a stack-based buffer overflow involving a while loop. An attacker has little influence over the data written to the stack, making it unlikely that the flow of control can be subverted.","status":"published","published":"2021-12-28T01:15:00Z","modified":"2025-10-24T04:50:39Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:30.277322Z"}]}}