# CVE-2026-20884: libraw: An integer overflow vulnerability exists in the deflate_dng_load_raw functionality of LibRaw Commit 8dc68e2

CVE-2026-20884 is fixed in 20 products on 1 platform, first by libraw-bin 0.20.2-2ubuntu2.22.04.3, released April 7, 2026. It is not reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/cve/CVE-2026-20884
- Priority: Urgent
- CVSS: 9.8 (critical)
- EPSS: 0.0059
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Apr 7, 2026

## Description

An integer overflow vulnerability exists in the deflate_dng_load_raw functionality of LibRaw Commit 8dc68e2. A specially crafted malicious file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | darktable Fedora 43 | 5.6.1-2.fc43 | [FEDORA-2026-0B55B49B93](https://patchblox.com/security/data/fix/linux/fedora-2026-0b55b49b93.md) | Sep 1, 2026 |
| Linux | darktable-debuginfo Fedora 43 | 5.6.1-2.fc43 | [FEDORA-2026-0B55B49B93](https://patchblox.com/security/data/fix/linux/fedora-2026-0b55b49b93.md) | Sep 1, 2026 |
| Linux | darktable-debugsource Fedora 43 | 5.6.1-2.fc43 | [FEDORA-2026-0B55B49B93](https://patchblox.com/security/data/fix/linux/fedora-2026-0b55b49b93.md) | Sep 1, 2026 |
| Linux | darktable-tools-basecurve Fedora 43 | 5.6.1-2.fc43 | [FEDORA-2026-0B55B49B93](https://patchblox.com/security/data/fix/linux/fedora-2026-0b55b49b93.md) | Sep 1, 2026 |
| Linux | darktable-tools-basecurve-debuginfo Fedora 43 | 5.6.1-2.fc43 | [FEDORA-2026-0B55B49B93](https://patchblox.com/security/data/fix/linux/fedora-2026-0b55b49b93.md) | Sep 1, 2026 |
| Linux | darktable-tools-noise Fedora 43 | 5.6.1-2.fc43 | [FEDORA-2026-0B55B49B93](https://patchblox.com/security/data/fix/linux/fedora-2026-0b55b49b93.md) | Sep 1, 2026 |
| Linux | darktable-tools-noise-debuginfo Fedora 43 | 5.6.1-2.fc43 | [FEDORA-2026-0B55B49B93](https://patchblox.com/security/data/fix/linux/fedora-2026-0b55b49b93.md) | Sep 1, 2026 |
| Linux | libraw Debian 12.15 (bookworm) | 0.20.2-2.1+deb12u2 | [DEBIAN-CVE-2026-20884](https://patchblox.com/security/data/fix/linux/debian-cve-2026-20884.md) | Apr 7, 2026 |
| Linux | libraw Debian 13.5 (trixie) | 0.21.4-2+deb13u1 | [DEBIAN-CVE-2026-20884](https://patchblox.com/security/data/fix/linux/debian-cve-2026-20884.md) | Apr 7, 2026 |
| Linux | libraw Debian 14 | 0.22.1-1 | [DEBIAN-CVE-2026-20884](https://patchblox.com/security/data/fix/linux/debian-cve-2026-20884.md) | Apr 7, 2026 |
| Linux | libraw opensuse-leap 16.0 | 0.21.4-160000.3.1 | [OPENSUSE-SU-2026:20574-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-20574-1.md) | Apr 20, 2026 |
| Linux | libraw sles 15.6 | 0.21.1-150600.3.10.1 | [SUSE-SU-2026:1555-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-1555-1.md) | Apr 22, 2026 |
| Linux | libraw sles 15.7 | 0.21.1-150600.3.10.1 | [SUSE-SU-2026:1555-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-1555-1.md) | Apr 22, 2026 |
| Linux | libraw-bin Ubuntu 22.04.1 LTS (jammy) | 0.20.2-2ubuntu2.22.04.3 | [libraw-bin 0.20.2-2ubuntu2.22.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libraw-bin-0.20.2-2ubuntu2.22.04.3.md) | Apr 7, 2026 |
| Linux | libraw-bin Ubuntu 24.04.5 LTS (noble) | 0.21.2-2.1ubuntu0.24.04.2 | [libraw-bin 0.21.2-2.1ubuntu0.24.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libraw-bin-0.21.2-2.1ubuntu0.24.04.2.md) | Apr 7, 2026 |
| Linux | libraw-bin Ubuntu 26.04.1 LTS (resolute) | 0.21.5b-1ubuntu1.1 | [libraw-bin 0.21.5b-1ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-libraw-bin-0.21.5b-1ubuntu1.1.md) | Apr 7, 2026 |
| Linux | libraw20 Ubuntu 22.04.1 LTS (jammy) | 0.20.2-2ubuntu2.22.04.3 | [libraw20 0.20.2-2ubuntu2.22.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libraw20-0.20.2-2ubuntu2.22.04.3.md) | Apr 7, 2026 |
| Linux | libraw23t64 Ubuntu 24.04.5 LTS (noble) | 0.21.2-2.1ubuntu0.24.04.2 | [libraw23t64 0.21.2-2.1ubuntu0.24.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libraw23t64-0.21.2-2.1ubuntu0.24.04.2.md) | Apr 7, 2026 |
| Linux | libraw23t64 Ubuntu 26.04.1 LTS (resolute) | 0.21.5b-1ubuntu1.1 | [libraw23t64 0.21.5b-1ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-libraw23t64-0.21.5b-1ubuntu1.1.md) | Apr 7, 2026 |
| Linux | mingw-LibRaw Fedora 43 | 0.21.5-3.fc43 | [FEDORA-2026-635A001215](https://patchblox.com/security/data/fix/linux/fedora-2026-635a001215.md) | Apr 9, 2026 |
| Linux | mingw32-LibRaw Fedora 43 | 0.21.5-3.fc43 | [FEDORA-2026-635A001215](https://patchblox.com/security/data/fix/linux/fedora-2026-635a001215.md) | Apr 9, 2026 |
| Linux | mingw32-LibRaw-debuginfo Fedora 43 | 0.21.5-3.fc43 | [FEDORA-2026-635A001215](https://patchblox.com/security/data/fix/linux/fedora-2026-635a001215.md) | Apr 9, 2026 |
| Linux | mingw32-LibRaw-static Fedora 43 | 0.21.5-3.fc43 | [FEDORA-2026-635A001215](https://patchblox.com/security/data/fix/linux/fedora-2026-635a001215.md) | Apr 9, 2026 |
| Linux | mingw32-LibRaw-tools Fedora 43 | 0.21.5-3.fc43 | [FEDORA-2026-635A001215](https://patchblox.com/security/data/fix/linux/fedora-2026-635a001215.md) | Apr 9, 2026 |
| Linux | mingw64-LibRaw Fedora 43 | 0.21.5-3.fc43 | [FEDORA-2026-635A001215](https://patchblox.com/security/data/fix/linux/fedora-2026-635a001215.md) | Apr 9, 2026 |
| Linux | mingw64-LibRaw-debuginfo Fedora 43 | 0.21.5-3.fc43 | [FEDORA-2026-635A001215](https://patchblox.com/security/data/fix/linux/fedora-2026-635a001215.md) | Apr 9, 2026 |
| Linux | mingw64-LibRaw-static Fedora 43 | 0.21.5-3.fc43 | [FEDORA-2026-635A001215](https://patchblox.com/security/data/fix/linux/fedora-2026-635a001215.md) | Apr 9, 2026 |
| Linux | mingw64-LibRaw-tools Fedora 43 | 0.21.5-3.fc43 | [FEDORA-2026-635A001215](https://patchblox.com/security/data/fix/linux/fedora-2026-635a001215.md) | Apr 9, 2026 |

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Data as of 2026-11-09T13:31:49Z 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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