{"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":"2026-07-08T05:53:14.058360974Z","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":[{"introduced":"16.04"},{"last_affected":"16.04"},{"introduced":"18.04"},{"last_affected":"18.04"},{"introduced":"19.10"},{"last_affected":"19.10"}],"source":"CPE_STRING","vendor_product":"canonical:ubuntu_linux"},{"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:*:*:*:*:*:*:*"]}]},"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"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/exiv2/exiv2","events":[{"introduced":"70f9405fafbe19c7bab94b36a1267c4332dc8a8a"},{"last_affected":"70f9405fafbe19c7bab94b36a1267c4332dc8a8a"},{"fixed":"a82098f4f90cd86297131b5663c3dec6a34470e8"}],"database_specific":{"extracted_events":[{"introduced":"0.27.2"},{"last_affected":"0.27.2"}],"source":["CPE_STRING","REFERENCES"],"cpe":"cpe:2.3:a:exiv2:exiv2:0.27.2:*:*:*:*:*:*:*"}}],"versions":["0.27.2","v0.27.2"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-20421.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"}]}