{"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":"2026-07-08T05:59:11.875895611Z","published":"2021-07-26T17:15:07.963Z","related":["ALSA-2021:4173","ALSA-2021:4319","SUSE-SU-2022:3598-1"],"database_specific":{"unresolved_ranges":[{"extracted_events":[{"introduced":"9.0"},{"last_affected":"9.0"},{"introduced":"10.0"},{"last_affected":"10.0"}],"source":"CPE_STRING","vendor_product":"debian:debian_linux","cpes":["cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*","cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"]},{"extracted_events":[{"introduced":"33"},{"last_affected":"33"},{"introduced":"34"},{"last_affected":"34"}],"source":"CPE_STRING","vendor_product":"fedoraproject:fedora","cpes":["cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*","cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*"]}]},"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://lists.debian.org/debian-lts-announce/2021/08/msg00028.html"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202312-06"},{"type":"ADVISORY","url":"https://www.debian.org/security/2021/dsa-4958"},{"type":"FIX","url":"https://github.com/Exiv2/exiv2/issues/1530"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/exiv2/exiv2","events":[{"introduced":"194bb65ac568a5435874c9d9d73b1c8a68e4edec"},{"last_affected":"194bb65ac568a5435874c9d9d73b1c8a68e4edec"}],"database_specific":{"cpe":"cpe:2.3:a:exiv2:exiv2:0.27.3:-:*:*:*:*:*:*","extracted_events":[{"introduced":"0.27.3-NA"},{"last_affected":"0.27.3-NA"}],"source":"CPE_STRING"}}],"versions":["0.27.3-NA","v0.27.3"],"database_specific":{"source":"https://storage.googleapis.com/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"}]}