{"id":"DEBIAN-CVE-2026-27809","details":"psd-tools is a Python package for working with Adobe Photoshop PSD files. Prior to version 1.12.2, when a PSD file contains malformed RLE-compressed image data (e.g. a literal run that extends past the expected row size), decode_rle() raises ValueError which propagated all the way to the user, crashing psd.composite() and psd-tools export. decompress() already had a fallback that replaces failed channels with black pixels when result is None, but it never triggered because the ValueError from decode_rle() was not caught. The fix in version 1.12.2 wraps the decode_rle() call in a try/except so the existing fallback handles the error gracefully.","modified":"2026-09-14T17:03:24.723032922Z","published":"2026-02-26T00:16:26.233Z","upstream":["CVE-2026-27809"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2026-27809"}],"affected":[{"package":{"name":"psd-tools","ecosystem":"Debian:12","purl":"pkg:deb/debian/psd-tools?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.10.7+dfsg.1-1","1.10.9+dfsg.1-1","1.12.0+dfsg.1-1","1.12.1+dfsg.1-1","1.14.2+dfsg.1-1","1.14.3+dfsg.1-1","1.15.0+dfsg.1-1","1.16.0+dfsg.1-1","1.17.0+dfsg.1-1","1.17.4+dfsg.1-1","1.9.24+dfsg.1-1","1.9.28+dfsg.1-1","1.9.30+dfsg.1-1","1.9.31+dfsg.1-1","1.9.32+dfsg.1-1","1.9.34+dfsg.1-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-27809.json"}},{"package":{"name":"psd-tools","ecosystem":"Debian:13","purl":"pkg:deb/debian/psd-tools?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.10.7+dfsg.1-1+deb13u1"}]}],"versions":["1.10.7+dfsg.1-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-27809.json"}},{"package":{"name":"psd-tools","ecosystem":"Debian:14","purl":"pkg:deb/debian/psd-tools?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.14.2+dfsg.1-1"}]}],"versions":["1.10.7+dfsg.1-1","1.10.9+dfsg.1-1","1.12.0+dfsg.1-1","1.12.1+dfsg.1-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-27809.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H"}]}