# CVE-2023-35790: jpeg-xl: An issue was discovered in dec_patch_dictionary.cc in libjxl before 0.8.2

CVE-2023-35790 is fixed in 5 products on 1 platform, first by DEBIAN-CVE-2023-35790, released June 16, 2023. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2023-35790
- Priority: High
- CVSS: 7.5 (high)
- EPSS: 0.0077
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jun 16, 2023

## Description

An issue was discovered in dec_patch_dictionary.cc in libjxl before 0.8.2. An integer underflow in patch decoding can lead to a denial of service, such as an infinite loop.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | jpeg-xl Debian 12.15 (bookworm) | 0.7.0-10+deb12u1 | [DEBIAN-CVE-2023-35790](https://patchblox.com/security/data/fix/linux/debian-cve-2023-35790.md) | Jun 16, 2023 |
| Linux | jpeg-xl Debian 13.5 (trixie) | 0.8.2-4 | [DEBIAN-CVE-2023-35790](https://patchblox.com/security/data/fix/linux/debian-cve-2023-35790.md) | Jun 16, 2023 |
| Linux | jpeg-xl Debian 14 | 0.8.2-4 | [DEBIAN-CVE-2023-35790](https://patchblox.com/security/data/fix/linux/debian-cve-2023-35790.md) | Jun 16, 2023 |
| Linux | libjpegxl-java Ubuntu 24.04.5 LTS (noble) | 0.7.0-10.2ubuntu6.1 | [libjpegxl-java 0.7.0-10.2ubuntu6.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libjpegxl-java-0.7.0-10.2ubuntu6.1.md) | Nov 25, 2024 |
| Linux | libjxl-devtools Ubuntu 24.04.5 LTS (noble) | 0.7.0-10.2ubuntu6.1 | [libjxl-devtools 0.7.0-10.2ubuntu6.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libjxl-devtools-0.7.0-10.2ubuntu6.1.md) | Nov 25, 2024 |
| Linux | libjxl-tools Ubuntu 24.04.5 LTS (noble) | 0.7.0-10.2ubuntu6.1 | [libjxl-tools 0.7.0-10.2ubuntu6.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libjxl-tools-0.7.0-10.2ubuntu6.1.md) | Nov 25, 2024 |
| Linux | libjxl0.7 Ubuntu 24.04.5 LTS (noble) | 0.7.0-10.2ubuntu6.1 | [libjxl0.7 0.7.0-10.2ubuntu6.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libjxl0.7-0.7.0-10.2ubuntu6.1.md) | Nov 25, 2024 |

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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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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