CVE-2026-0915

7.5 HIGH
Published: January 15, 2026 Modified: January 23, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://sourceware.org/bugzilla/show_bug.cgi?id=33802
Source: 3ff69d7a-14f2-4f67-a097-88dee7810d18
Broken Link
http://www.openwall.com/lists/oss-security/2026/01/16/6
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List
https://sourceware.org/bugzilla/show_bug.cgi?id=33802
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Broken Link

3 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.5 / 10.0
EPSS (Exploit Probability)
0.0%
5th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

gnu