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CVE-2026-0915

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Date: January 15, 2026

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.

Severity Score

Related Resources (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-0915
http://www.openwall.com/lists/oss-security/2026/01/16/6
https://sourceware.org/bugzilla/show_bug.cgi?id=33802
https://www.mend.io/vulnerability-database/CVE-2026-0915

Severity Score

Weakness Type (CWE)

Use of Uninitialized Resource

CWE-908

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): NONE
Availability (A): NONE

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