CVE-2026-5435

high

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.

References

https://sourceware.org/bugzilla/show_bug.cgi?id=34033

https://inbox.sourceware.org/libc-announce/[email protected]/T/#u

Details

Source: Mitre, NVD

Published: 2026-04-28

Updated: 2026-04-28

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 7.3

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L