CVE-2026-5435

CVE-2026-5435: Potential buffer overflow in ns_sprintrrf TSIG handling path

Vendor The Gnu C Library
Product glibc
Weakness CWE-787
Published April 28, 2026
Last update April 28, 2026
View on NVD All CVEs

CVSS base score

—

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

April 28, 2026 CVE published
April 28, 2026 Record updated