Vulnerability Description
Calling getnetbyaddr or getnetbyaddr_r with a configured nsswitch.conf that specifies the library's DNS backend for networks and queries for a zero-valued network in the GNU C Library version 2.0 to version 2.42 can leak stack contents to the configured DNS resolver.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gnu | Glibc | >= 2.0, <= 2.42 |
Related Weaknesses (CWE)
References
- https://sourceware.org/bugzilla/show_bug.cgi?id=33802Broken Link
- http://www.openwall.com/lists/oss-security/2026/01/16/6Mailing List
- https://sourceware.org/bugzilla/show_bug.cgi?id=33802Broken Link
FAQ
What is CVE-2026-0915?
CVE-2026-0915 is a vulnerability with a CVSS score of 7.5 (HIGH). Calling getnetbyaddr or getnetbyaddr_r with a configured nsswitch.conf that specifies the library's DNS backend for networks and queries for a zero-valued network in the GNU C Library version 2.0 to v...
How severe is CVE-2026-0915?
CVE-2026-0915 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-0915?
Check the references section above for vendor advisories and patch information. Affected products include: Gnu Glibc.