JasPer JPEG2000 Encoder jpc_enc.c jpc_floorlog2 assertion
CVE-2025-8836 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.
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
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| jasper · opensuse-leap 15.6 | 4.2.8-150600.4.5.1 | SUSE-SU-2025:3947-1 | Nov 5, 2025 |
| jasper · opensuse-leap 16.0 | 4.2.8-160000.1.1 | OPENSUSE-SU-2026:20138-1 | Jan 30, 2026 |
| jasper · sles 15.6 | 4.2.8-150600.4.5.1 | SUSE-SU-2025:3947-1 | Nov 5, 2025 |
| jasper · sles 15.7 | 4.2.8-150600.4.5.1 | SUSE-SU-2025:3947-1 | Nov 5, 2025 |
| jasper · sles 16.0 | 4.2.8-160000.1.1 | SUSE-SU-2026:20200-1 | Jan 30, 2026 |
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