| Name | CVE-2018-5996 |
| Description | Insufficient exception handling in the method NCompress::NRar3::CDecoder::Code of 7-Zip before 18.00 and p7zip can lead to multiple memory corruptions within the PPMd code, allows remote attackers to cause a denial of service (segmentation fault) or execute arbitrary code via a crafted RAR archive. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 888314 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| p7zip-rar (PTS) | buster/non-free, bullseye/non-free, bookworm/non-free | 16.02-3 | fixed |
| sid/non-free, trixie/non-free | 16.02+transitional.1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| p7zip-rar | source | (unstable) | 16.02-2 | | | 888314 |
Notes
[stretch] - p7zip-rar <no-dsa> (Non-free not supported)
[jessie] - p7zip-rar <no-dsa> (Non-free not supported)
[wheezy] - p7zip-rar <no-dsa> (Non-free not supported)
https://landave.io/2018/01/7-zip-multiple-memory-corruptions-via-rar-and-zip/