https://seclists.org/oss-sec/2026/q1/78: The GNU C Library security advisories update for 2026-01-16 (part 2)
Published Jan 16, 2026
·Updated
Affected Software
1 affected component
GNU C Library>=2.0<=2.42
Frequently Asked Questions
1
What is the severity of GLIBC-SA-2026-0002?
The severity of GLIBC-SA-2026-0002 is considered high due to potential information leakage.
2
How do I fix GLIBC-SA-2026-0002?
To fix GLIBC-SA-2026-0002, you should update the GNU C Library to the latest patched version.
3
What vulnerabilities are associated with GLIBC-SA-2026-0002?
GLIBC-SA-2026-0002 is associated with the leakage of stack contents when using getnetbyaddr or getnetbyaddr_r functions.
4
Who is affected by GLIBC-SA-2026-0002?
Any application relying on the GNU C Library's network name service functions and using the specified DNS backend is affected by GLIBC-SA-2026-0002.
5
What should I do if I cannot update due to compatibility issues with GLIBC-SA-2026-0002?
If you cannot update, consider mitigating the issue by reviewing your DNS configurations and limiting the use of affected functions.