# CVE-2026-32775: libexif through 0.6.25 has a flaw in decoding MakerNotes. If the exif_mnote_data_get_value function gets passed in a 0 size, the passed in-buffer would be overwritten due to an integer underflow.

CVE-2026-32775 is fixed in 2 products on 1 platform, first by DEBIAN-CVE-2026-32775, released March 16, 2026. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2026-32775
- Priority: High
- CVSS: 7.8 (Important)
- EPSS: 0.0020
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Mar 16, 2026
- Weakness: Integer Underflow (Wrap or Wraparound)
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32775

## Description

libexif through 0.6.25 has a flaw in decoding MakerNotes. If the exif_mnote_data_get_value function gets passed in a 0 size, the passed in-buffer would be overwritten due to an integer underflow.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libexif Debian 12.15 (bookworm) | 0.6.24-1+deb12u1 | [DEBIAN-CVE-2026-32775](https://patchblox.com/security/data/fix/linux/debian-cve-2026-32775.md) | Mar 16, 2026 |
| Linux | libexif Debian 13.5 (trixie) | 0.6.25-1+deb13u1 | [DEBIAN-CVE-2026-32775](https://patchblox.com/security/data/fix/linux/debian-cve-2026-32775.md) | Mar 16, 2026 |
| Linux | libexif Debian 14 | 0.6.26-1 | [DEBIAN-CVE-2026-32775](https://patchblox.com/security/data/fix/linux/debian-cve-2026-32775.md) | Mar 16, 2026 |
| Linux | libexif opensuse-leap 16.0 | 0.6.26-160000.1.1 | [OPENSUSE-SU-2026:21023-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21023-1.md) | Jun 22, 2026 |
| Linux | libexif sles 15.7 | 0.6.22-150000.5.12.1 | [SUSE-SU-2026:2837-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-2837-1.md) | Jul 10, 2026 |
| Linux | libexif sles 16.0 | 0.6.26-160000.1.1 | [SUSE-SU-2026:22324-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-22324-1.md) | Jun 22, 2026 |
| Linux | libexif12 Ubuntu 22.04.1 LTS (jammy) | 0.6.24-1ubuntu0.22.04.1 | [libexif12 0.6.24-1ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libexif12-0.6.24-1ubuntu0.22.04.1.md) | Apr 12, 2026 |
| Linux | libexif12 Ubuntu 24.04.5 LTS (noble) | 0.6.24-1ubuntu0.24.04.1 | [libexif12 0.6.24-1ubuntu0.24.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libexif12-0.6.24-1ubuntu0.24.04.1.md) | Apr 12, 2026 |
| Linux | libexif12 Ubuntu 26.04.1 LTS (resolute) | 0.6.25-2ubuntu0.1 | [libexif12 0.6.25-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-libexif12-0.6.25-2ubuntu0.1.md) | Apr 12, 2026 |

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Data as of 2026-11-08T13:06:02Z 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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