CVE-2026-0915 (GCVE-0-2026-0915)
Vulnerability from cvelistv5 – Published: 2026-01-15 22:08 – Updated: 2026-01-16 17:06
VLAI?
Title
getnetbyaddr and getnetbyaddr_r leak stack contents to DNS resovler
Summary
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 ?
No CVSS data available.
CWE
- CWE-908 - Use of Uninitialized Resource
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| The GNU C Library | glibc |
Affected:
2.0 , ≤ 2.42
(custom)
|
Credits
Igor Morgenstern, Aisle Research
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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