| Name | CVE-2019-11922 |
| Description | A race condition in the one-pass compression functions of Zstandard prior to version 1.3.8 could allow an attacker to write bytes out of bounds if an output buffer smaller than the recommended size was used. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| libzstd (PTS) | buster, buster (security) | 1.3.8+dfsg-3+deb10u2 | fixed |
| bullseye | 1.4.8+dfsg-2.1 | fixed |
| bookworm | 1.5.4+dfsg2-5 | fixed |
| sid, trixie | 1.5.5+dfsg2-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| libzstd | source | stretch | (not affected) | | | |
| libzstd | source | (unstable) | 1.3.8+dfsg-2 | | | |
Notes
[stretch] - libzstd <not-affected> (Vulnerable code not present)
https://github.com/facebook/zstd/commit/3e5cdf1b6a85843e991d7d10f6a2567c15580da0