| Name | CVE-2021-27347 |
| Description | Use after free in lzma_decompress_buf function in stream.c in Irzip 0.631 allows attackers to cause Denial of Service (DoS) via a crafted compressed file. |
| 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-2981-1 |
| Debian Bugs | 990583 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| lrzip (PTS) | bullseye (security), bullseye | 0.641-1+deb11u1 | fixed |
| bookworm | 0.651-2 | fixed |
| sid, trixie | 0.651-3 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| lrzip | source | stretch | 0.631-1+deb9u2 | | DLA-2981-1 | |
| lrzip | source | buster | 0.631+git180528-1+deb10u1 | | | |
| lrzip | source | (unstable) | 0.640-1 | unimportant | | 990583 |
Notes
https://github.com/ckolivas/lrzip/issues/165
https://github.com/ckolivas/lrzip/commit/be884d09e09b00fbddd31b75dc1f4736d72006a8 (v0.640)
Crash in CLI tool, no security impact
See CVE-2022-26291 follow-up related to clear_rulist()