| Name | CVE-2018-25032 |
| Description | zlib before 1.2.12 allows memory corruption when deflating (i.e., when compressing) if the input has many distant matches. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-2968-1, DLA-2993-1, DSA-5111-1 |
| Debian Bugs | 1008265 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| libz-mingw-w64 (PTS) | buster, bullseye | 1.2.11+dfsg-2 | vulnerable |
| bookworm | 1.2.13+dfsg-1 | fixed |
| sid, trixie | 1.3+dfsg-1 | fixed |
| zlib (PTS) | buster | 1:1.2.11.dfsg-1+deb10u1 | fixed |
| buster (security) | 1:1.2.11.dfsg-1+deb10u2 | fixed |
| bullseye (security), bullseye | 1:1.2.11.dfsg-2+deb11u2 | fixed |
| bookworm | 1:1.2.13.dfsg-1 | fixed |
| sid, trixie | 1:1.2.13.dfsg-3 | fixed |
The information below is based on the following data on fixed versions.
Notes
[bullseye] - libz-mingw-w64 <no-dsa> (Minor issue)
[buster] - libz-mingw-w64 <no-dsa> (Minor issue)
https://github.com/madler/zlib/commit/5c44459c3b28a9bd3283aaceab7c615f8020c531
https://www.openwall.com/lists/oss-security/2022/03/24/1
Details: https://www.openwall.com/lists/oss-security/2022/03/26/1
https://www.openwall.com/lists/oss-security/2022/03/27/1
https://www.openwall.com/lists/oss-security/2022/03/28/1