| Name | CVE-2026-5435 |
| Description | The deprecated functions ns_printrrf, ns_printrr and fp_nquery in the GNU C Library version 2.2 and newer fail to enforce the caller-supplied buffer length, and can result in an out-of-bounds write when printing TSIG records. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1135230 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| glibc (PTS) | bullseye | 2.31-13+deb11u11 | vulnerable |
| bullseye (security) | 2.31-13+deb11u13 | vulnerable | |
| bookworm | 2.36-9+deb12u14 | vulnerable | |
| bookworm (security) | 2.36-9+deb12u7 | vulnerable | |
| trixie | 2.41-12+deb13u3 | vulnerable | |
| forky, sid | 2.42-16 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| glibc | source | (unstable) | (unfixed) | 1135230 |
[trixie] - glibc <no-dsa> (Minor issue)
[bookworm] - glibc <no-dsa> (Minor issue)
https://sourceware.org/bugzilla/show_bug.cgi?id=34033
https://sourceware.org/git/?p=glibc.git;a=blob_plain;f=advisories/GLIBC-SA-2026-0011