CVE-2025-8836

Description

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.

CVSS v3.1 Score

3.3

LOW

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Weakness Type (CWE)

CWE-617 CWE-617

Affected Products

Vendor	Product	Versions
jasper_project	jasper	< 4.2.5

References

Advisories & Patches

https://github.com/jasper-software/jasper/commit/79185d32d7a444abae441935b20ae4676b3513d4 https://github.com/jasper-software/jasper/issues/401 https://github.com/jasper-software/jasper/issues/401

Exploits

https://drive.google.com/file/d/1pPgndhHh2z0lk99Wt31W-XIW3XWt8FB3/view?usp=drive_link https://github.com/jasper-software/jasper/issues/401 https://vuldb.com/?submit.622409 https://github.com/jasper-software/jasper/issues/401

Other References

https://vuldb.com/?ctiid.319370 https://vuldb.com/?id.319370

Frequently Asked Questions

What is CVE-2025-8836? +

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. It has a CVSS v3.1 base score of 3.3 (LOW).

How severe is CVE-2025-8836? +

CVE-2025-8836 has a CVSS v3.1 score of 3.3 out of 10, rated LOW. This is a low-severity vulnerability with limited impact.

What products are affected by CVE-2025-8836? +

CVE-2025-8836 affects products from jasper_project, specifically: jasper. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-8836? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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