CVE-2026-5435

Summary

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.

Affected Software

VendorProductVersion RangeStatus
The GNU C Libraryglibc2.2 <= *affected

Weaknesses

  • CWE-787: CWE-787 Out-of-bounds write

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: partial

References