CVE-2026-0915

HIGH

7.5

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.

CVE Details

CVSS v3.1 Score7.5

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published1/15/2026

Last Modified1/23/2026

Sourcenvd

Honeypot Sightings0

Affected Products

gnu:glibc

Weaknesses (CWE)

CWE-908

References

https://sourceware.org/bugzilla/show_bug.cgi?id=33802(3ff69d7a-14f2-4f67-a097-88dee7810d18)

http://www.openwall.com/lists/oss-security/2026/01/16/6(af854a3a-2127-422b-91ae-364da2661108)

https://sourceware.org/bugzilla/show_bug.cgi?id=33802(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

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