{"id":"USN-8582-1","summary":"jbig2dec vulnerabilities","details":"Zeng Yunxiang and Song Jiaxuan discovered that jbig2dec had an\nout-of-bounds read vulnerability in its command-line tool. An attacker\ncould possibly use this issue to cause jbig2dec to crash, resulting in a\ndenial of service. This issue only affected Ubuntu 22.04 LTS.\n(CVE-2023-46361)\n\nIt was discovered that jbig2dec had an integer overflow in the\njbig2_arith_iaid_ctx_new() function. An attacker could possibly use this\nissue to cause a denial of service. (CVE-2026-38076)","modified":"2026-07-22T03:44:37.691036414Z","published":"2026-07-21T17:41:35Z","related":["UBUNTU-CVE-2023-46361","UBUNTU-CVE-2026-38076"],"upstream":["UBUNTU-CVE-2023-46361","UBUNTU-CVE-2026-38076"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8582-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-46361"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-38076"}],"affected":[{"package":{"name":"jbig2dec","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/jbig2dec?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.19-3ubuntu0.1"}]}],"versions":["0.19-3","0.19-3build1","0.19-3build2"],"ecosystem_specific":{"binaries":[{"binary_name":"jbig2dec","binary_version":"0.19-3ubuntu0.1"},{"binary_version":"0.19-3ubuntu0.1","binary_name":"libjbig2dec0"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:22.04:LTS","cves":[{"id":"CVE-2023-46361","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"low"}]},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-38076"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8582-1.json"}},{"package":{"name":"jbig2dec","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/jbig2dec?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.20-1ubuntu0.24.04.1"}]}],"versions":["0.19-3build2","0.20-1","0.20-1build2","0.20-1build3"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"0.20-1ubuntu0.24.04.1","binary_name":"jbig2dec"},{"binary_name":"libjbig2dec0","binary_version":"0.20-1ubuntu0.24.04.1"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2026-38076","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:24.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8582-1.json"}},{"package":{"name":"jbig2dec","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/jbig2dec?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.20-1ubuntu0.26.04.1"}]}],"versions":["0.20-1build3","0.20-1build4"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"0.20-1ubuntu0.26.04.1","binary_name":"jbig2dec"},{"binary_name":"libjbig2dec0","binary_version":"0.20-1ubuntu0.26.04.1"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:26.04:LTS","cves":[{"id":"CVE-2026-38076","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8582-1.json"}}],"schema_version":"1.7.5"}