A vulnerability was determined in JasPer up to 4.2.5. Affected by this issue is the function jpc_floorlog2 of the file src/libjasper/jpc/jpc_enc.c of the component JPEG2000 Encoder. The manipulation leads to reachable assertion. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used. The patch is identified as 79185d32d7a444abae441935b20ae4676b3513d4. It is recommended to apply a patch to fix this issue.

The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2025:03367-1 advisory.

    - CVE-2025-8835: missing range check in the JPEG-2000 (JPC) Encoder leads to assertion failure and crash     when       processing a malformed JPEG2000 image with an invalid `cblkwidth` parameter (bsc#1247904).
    - CVE-2025-8836: out-of-bounds array indexing in function `jas_image_chclrspc` leads to crash when     processing a       malformed image file with BMP output format and color space conversion (bsc#1247902).
    - CVE-2025-8837: missing operations in cleanup code of the JPEG-2000 (JPC) Encoder leads to use-after-free     when       processing malformed JPEG2000 images with certain debug levels enabled (bsc#1247901).

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2025:03219-1 advisory.

    - CVE-2025-8835: missing range check in the JPEG-2000 (JPC) Encoder leads to assertion failure and crash     when       processing a malformed JPEG2000 image with an invalid `cblkwidth` parameter (bsc#1247904).
    - CVE-2025-8836: out-of-bounds array indexing in function `jas_image_chclrspc` leads to crash when     processing a       malformed image file with BMP output format and color space conversion (bsc#1247902).
    - CVE-2025-8837: missing operations in cleanup code of the JPEG-2000 (JPC) Encoder leads to use-after-free     when       processing malformed JPEG2000 images with certain debug levels enabled (bsc#1247901).

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - A vulnerability was determined in JasPer up to 4.2.5. Affected by this issue is the function jpc_floorlog2     of the file src/libjasper/jpc/jpc_enc.c of the component JPEG2000 Encoder. The manipulation leads to     reachable assertion. The attack needs to be approached locally. The exploit has been disclosed to the     public and may be used. The patch is identified as 79185d32d7a444abae441935b20ae4676b3513d4. It is     recommended to apply a patch to fix this issue. (CVE-2025-8836)

Note that Nessus relies on the presence of the package as reported by the vendor.

ID	Name	Product	Family	Severity
266015	SUSE SLES12 Security Update : jasper (SUSE-SU-2025:03367-1)	Nessus	SuSE Local Security Checks	medium
264879	SUSE SLED15 / SLES15 Security Update : jasper (SUSE-SU-2025:03219-1)	Nessus	SuSE Local Security Checks	medium
259919	Linux Distros Unpatched Vulnerability : CVE-2025-8836	Nessus	Misc.	medium

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CVE-2025-8836

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