# RHSA-2026:26348: libpng12 security update

RHSA-2026:26348, released June 24, 2026, fixes 1 CVE in libpng12 (version 0:1.2.57-7.el8_10). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2026-26348
- Platform: Linux
- Released: Jun 24, 2026
- Priority: High (Closes CVE-2026-33416, high severity)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2026:26348

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [libpng12](https://patchblox.com/security/data/product/linux/libpng12.md) | RHEL 8 | 0:1.2.57-7.el8_10 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-33416](https://patchblox.com/security/data/cve/CVE-2026-33416.md) | High | LIBPNG has use-after-free via pointer aliasing in `png_set_tRNS` and `png_set_PLTE` | 8.8 | 0.0107 |  |

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Data as of 2026-11-07T06:34:28Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo