{"id":"CVE-2019-20421","details":"In Jp2Image::readMetadata() in jp2image.cpp in Exiv2 0.27.2, an input file can result in an infinite loop and hang, with high CPU consumption. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted file.","modified":"2026-05-17T11:54:34.295297675Z","published":"2020-01-27T05:15:10.453Z","related":["ALSA-2020:1577","SUSE-SU-2020:0860-1"],"database_specific":{"unresolved_ranges":[{"cpes":["cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*","cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*","cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*"],"extracted_events":[{"last_affected":"16.04"},{"last_affected":"18.04"},{"last_affected":"19.10"}],"source":"CPE_FIELD","vendor_product":"canonical:ubuntu_linux"},{"cpes":["cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*","cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"],"extracted_events":[{"last_affected":"9.0"},{"last_affected":"10.0"}],"source":"CPE_FIELD","vendor_product":"debian:debian_linux"}]},"references":[{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2021/08/msg00028.html"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4270-1/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2021/dsa-4958"},{"type":"FIX","url":"https://github.com/Exiv2/exiv2/commit/a82098f4f90cd86297131b5663c3dec6a34470e8"},{"type":"FIX","url":"https://github.com/Exiv2/exiv2/issues/1011"}],"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"}]}