Vulnerability 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.
CVSS Score
7.3
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gnu | Glibc | >= 2.2 |
Related Weaknesses (CWE)
References
- https://inbox.sourceware.org/libc-announce/7a655d55-276f-41fe-b550-feb3ebb2ce91@Third Party Advisory
- https://sourceware.org/bugzilla/show_bug.cgi?id=34033Issue Tracking
FAQ
What is CVE-2026-5435?
CVE-2026-5435 is a vulnerability with a CVSS score of 7.3 (HIGH). 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 wh...
How severe is CVE-2026-5435?
CVE-2026-5435 has been rated HIGH with a CVSS base score of 7.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-5435?
Check the references section above for vendor advisories and patch information. Affected products include: Gnu Glibc.