# RLSA-2026:20929: libexif security update

RLSA-2026:20929, released May 29, 2026, fixes 2 CVEs in libexif (version 0:0.6.22-6.el8_10). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rlsa-2026-20929
- Platform: Linux
- Released: May 29, 2026
- Priority: High (Closes CVE-2026-40386, high severity)
- CVEs: 2, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://errata.rockylinux.org/RLSA-2026:20929

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [libexif](https://patchblox.com/security/data/product/linux/libexif.md) | rocky 8 | 0:0.6.22-6.el8_10 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-40386](https://patchblox.com/security/data/cve/CVE-2026-40386.md) | High | libexif: In libexif through 0.6.25, an integer underflow in size checking for Fuji and Olympus MakerNote decoding could be use... | 7.1 | 0.0014 |  |
| [CVE-2026-40385](https://patchblox.com/security/data/cve/CVE-2026-40385.md) | High | libexif: In libexif through 0.6.25, an unsigned 32bit integer overflow in Nikon MakerNote handling could be used by local atta... | 7.1 | 0.0009 |  |

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Data as of 2026-11-07T18:46:35Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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