# CVE-2025-8837: JasPer JPEG2000 File jpc_dec.c jpc_dec_dump use after free

CVE-2025-8837 is fixed in jasper on 1 platform, first by SUSE-SU-2025:3947-1, released November 5, 2025. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2025-8837
- Priority: Routine
- CVSS: 5.3
- EPSS: 0.0026
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Sep 4, 2025
- Weakness: Use After Free
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-8837

## Description

This update for jasper fixes the following issues:  - Update to 4.2.8:  - CVE-2025-8837: Fixed a bug in the JPC decoder that could cause bad memory accesses if the debug level is set sufficiently high (bsc#1247901). - CVE-2025-8836: Added some missing range checking on several coding parameters in the JPC encoder (bsc#1247902). - CVE-2025-8835: Added a check for a missing color component in the jas_image_chclrspc function (bsc#1247904). - CVE-2023-51257: Fixed invalid memory write bug (bsc#1218802).

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | jasper opensuse-leap 15.6 | 4.2.8-150600.4.5.1 | [SUSE-SU-2025:3947-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-3947-1.md) | Nov 5, 2025 |
| Linux | jasper opensuse-leap 16.0 | 4.2.8-160000.1.1 | [OPENSUSE-SU-2026:20138-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-20138-1.md) | Jan 30, 2026 |
| Linux | jasper sles 15.6 | 4.2.8-150600.4.5.1 | [SUSE-SU-2025:3947-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-3947-1.md) | Nov 5, 2025 |
| Linux | jasper sles 15.7 | 4.2.8-150600.4.5.1 | [SUSE-SU-2025:3947-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-3947-1.md) | Nov 5, 2025 |
| Linux | jasper sles 16.0 | 4.2.8-160000.1.1 | [SUSE-SU-2026:20200-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-20200-1.md) | Jan 30, 2026 |

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Data as of 2026-11-10T07:50:38Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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