| Name | CVE-2023-5156 |
| Description | A flaw was found in the GNU C Library. A recent fix for CVE-2023-4806 introduced the potential for a memory leak, which may result in an application crash. |
| 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 | 1053002 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| glibc (PTS) | buster | 2.28-10+deb10u1 | fixed |
| buster (security) | 2.28-10+deb10u2 | fixed |
| bullseye | 2.31-13+deb11u8 | fixed |
| bullseye (security) | 2.31-13+deb11u9 | fixed |
| bookworm | 2.36-9+deb12u4 | fixed |
| bookworm (security) | 2.36-9+deb12u6 | fixed |
| trixie | 2.37-18 | fixed |
| sid | 2.37-19 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| glibc | source | buster | (not affected) | | | |
| glibc | source | bullseye | (not affected) | | | |
| glibc | source | bookworm | (not affected) | | | |
| glibc | source | (unstable) | 2.37-11 | | | 1053002 |
Notes
[bookworm] - glibc <not-affected> (Fix for CVE-2023-4806 not applied alone in released version)
[bullseye] - glibc <not-affected> (Fix for CVE-2023-4806 not applied alone in released version)
[buster] - glibc <not-affected> (Fix for CVE-2023-4806 not applied alone in released version)
https://bugzilla.redhat.com/show_bug.cgi?id=2240541
https://sourceware.org/bugzilla/show_bug.cgi?id=30884
Fixed by: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ec6b95c3303c700eb89eebeda2d7264cc184a796
https://sourceware.org/pipermail/libc-alpha/2023-September/151691.html
https://sourceware.org/cgit/glibc/tree/advisories/GLIBC-SA-2023-0005