{"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":"2026-05-13T12:02:15.730976546Z","published":"2020-01-27T05:15:10.453Z","related":["ALSA-2020:1577","SUSE-SU-2020:0860-1"],"database_specific":{"unresolved_ranges":[{"extracted_events":[{"last_affected":"16.04"}],"cpe":"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*","source":"CPE_FIELD"},{"extracted_events":[{"last_affected":"18.04"}],"cpe":"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*","source":"CPE_FIELD"},{"source":"CPE_FIELD","cpe":"cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*","extracted_events":[{"last_affected":"19.10"}]},{"source":"CPE_FIELD","cpe":"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*","extracted_events":[{"last_affected":"10.0"}]},{"source":"CPE_FIELD","cpe":"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*","extracted_events":[{"last_affected":"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":"0"},{"last_affected":"70f9405fafbe19c7bab94b36a1267c4332dc8a8a"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"last_affected":"0.27.2"}],"cpe":"cpe:2.3:a:exiv2:exiv2:0.27.2:*:*:*:*:*:*:*","source":"CPE_FIELD"}}],"versions":["v0.27.2","v0.27.2-RC3","v0.27.2-RC2","v0.27.2-RC1","0.27-RC2","v0.27.1","0.27.1","v0.27.1-RC1","v0.27.0","0.27","0.27-RC3","v0.27-RC1","v0.26","v0.25","v0.24","v0.23.1","v0.23","v0.22","v0.21.1","v0.21","v0.20","v0.19","v0.18.2","v0.18.1","v0.18","v0.18-pre2","v0.18-pre1","v0.17.1","v0.17","v0.16","v0.16-pre1","v0.15","v0.14","v0.13","v0.12","v0.11","v0.10","v0.9.1","v0.9","v0.8","v0.7","v0.6.2","v0.6.1","v0.6","v0.5","v0.4","v0.3"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-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"}]}