CVE-2026-0915
Publication date 15 January 2026
Last updated 4 February 2026
Ubuntu priority
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.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| glibc | 26.10 stonking |
Fixed in 2.42-2ubuntu5
|
| 26.04 LTS resolute |
Fixed in 2.42-2ubuntu5
|
|
| 24.04 LTS noble |
Fixed in 2.39-0ubuntu8.7
|
|
| 22.04 LTS jammy |
Fixed in 2.35-0ubuntu3.13
|
|
| 20.04 LTS focal |
Fixed in 2.31-0ubuntu9.18+esm1
|
|
| 18.04 LTS bionic |
Fixed in 2.27-3ubuntu1.6+esm6
|
|
| 16.04 LTS xenial |
Fixed in 2.23-0ubuntu11.3+esm9
|
|
| eglibc | 26.10 stonking | Not in release |
| 26.04 LTS resolute | Not in release | |
| 24.04 LTS noble | Not in release | |
| 22.04 LTS jammy | Not in release | |
| 14.04 LTS trusty |
Vulnerable
|
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CVSS version: CVSS v3.0
Base score
7.5 · High
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
References
Related Ubuntu Security Notices (USN)
- USN-8005-1
- GNU C Library vulnerabilities
- 3 February 2026