{"id":"CVE-2021-31292","details":"An integer overflow in CrwMap::encode0x1810 of Exiv2 0.27.3 allows attackers to trigger a heap-based buffer overflow and cause a denial of service (DOS) via crafted metadata.","aliases":["PYSEC-2021-877"],"modified":"2026-03-20T11:40:45.249571Z","published":"2021-07-26T17:15:07.963Z","related":["ALSA-2021:4173","ALSA-2021:4319","SUSE-SU-2022:3598-1"],"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FMDT4PJB7P43WSOM3TRQIY3J33BAFVVE/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UYGDELIFFJWKUU7SO3QATCIXCZJERGAC/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2021/dsa-4958"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2021/08/msg00028.html"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202312-06"},{"type":"FIX","url":"https://github.com/Exiv2/exiv2/issues/1530"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/exiv2/exiv2","events":[{"introduced":"0"},{"last_affected":"194bb65ac568a5435874c9d9d73b1c8a68e4edec"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"0.27.3-NA"}]}}],"versions":["0.27","0.27-RC2","0.27-RC3","0.27.1","v0.10","v0.11","v0.12","v0.13","v0.14","v0.15","v0.16","v0.16-pre1","v0.17","v0.17.1","v0.18","v0.18-pre1","v0.18-pre2","v0.18.1","v0.18.2","v0.19","v0.20","v0.21","v0.21.1","v0.22","v0.23","v0.23.1","v0.24","v0.25","v0.26","v0.27-RC1","v0.27.0","v0.27.1","v0.27.1-RC1","v0.27.2","v0.27.2-RC1","v0.27.2-RC2","v0.27.2-RC3","v0.27.3","v0.27.3-RC1","v0.27.3-RC2","v0.3","v0.4","v0.5","v0.6","v0.6.1","v0.6.2","v0.7","v0.8","v0.9","v0.9.1"],"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"9.0"}]},{"events":[{"introduced":"0"},{"last_affected":"10.0"}]},{"events":[{"introduced":"0"},{"last_affected":"33"}]},{"events":[{"introduced":"0"},{"last_affected":"34"}]}],"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-31292.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}