# RHSA-2026:1334: glibc security update

RHSA-2026:1334, released January 15, 2026, fixes 2 CVEs in glibc (version 2.39-58.el10_1.7). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2026-1334
- Platform: Linux
- Released: Jan 15, 2026
- Priority: High (Closes CVE-2026-0915, high severity)
- CVEs: 2, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2026:1334

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [glibc](https://patchblox.com/security/data/product/linux/glibc.md) | RHEL 10 | 2.39-58.el10_1.7 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-0915](https://patchblox.com/security/data/cve/CVE-2026-0915.md) | High | getnetbyaddr and getnetbyaddr_r leak stack contents to DNS resovler | 8.1 | 0.0062 |  |
| [CVE-2026-0861](https://patchblox.com/security/data/cve/CVE-2026-0861.md) | High | glibc: The glibc packages provide the standard C libraries (libc), POSIX thread libraries (libpthread), standard math librar... | 8.4 | 0.0039 |  |

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Data as of 2026-11-07T12:40:37Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo