CVE-2026-5435
Published: April 29, 2026Last modified: July 10, 2026
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.3 |
| Attack Vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | LOW |
| Integrity impact | LOW |
| Availability impact | LOW |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | glibc | Fixed (2.37.0-r24) |
| 25 LTS | glibc | Fixed (2.39.0-r9) | |
| Stream | glibc | Fixed (2.43.0-r1) | |
| Hardened Containers | 23 LTS | glibc | Fixed (2.37.0-r24) |
| 25 LTS | glibc | Fixed (2.39.0-r9) | |
| Stream | glibc | Fixed (2.43.0-r1) |