{"id":"DEBIAN-CVE-2023-31102","details":"Ppmd7.c in 7-Zip before 23.00 allows an integer underflow and invalid read operation via a crafted 7Z archive.","modified":"2026-09-15T09:01:37.303375532Z","published":"2023-11-03T04:15:20.793Z","upstream":["CVE-2023-31102"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2023-31102"}],"affected":[{"package":{"name":"7zip","ecosystem":"Debian:12","purl":"pkg:deb/debian/7zip?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"22.01+really25.01+dfsg-0+deb12u1"}]}],"versions":["22.01+dfsg-10~exp1","22.01+dfsg-8","22.01+dfsg-8+deb12u1","22.01+dfsg-9"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-31102.json"}},{"package":{"name":"7zip","ecosystem":"Debian:13","purl":"pkg:deb/debian/7zip?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"23.01+dfsg-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-31102.json"}},{"package":{"name":"7zip","ecosystem":"Debian:14","purl":"pkg:deb/debian/7zip?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"23.01+dfsg-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-31102.json"}},{"package":{"name":"p7zip","ecosystem":"Debian:12","purl":"pkg:deb/debian/p7zip?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"16.02+really25.01+dfsg-0+deb12u1"}]}],"versions":["16.02+dfsg-8"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-31102.json"}},{"package":{"name":"p7zip","ecosystem":"Debian:13","purl":"pkg:deb/debian/p7zip?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"16.02+transitional.1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-31102.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}