CVE-2025-8836

Name: CVE-2025-8836
Creator: NVD / NIST
Published: 2025-08-11T08:15:26.7+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 1.9/10EPSS 0.19%

Last modified Jun 17, 2026

CVE-2025-8836 is a low-severity vulnerability rated 1.9/10 on the CVSS scale. 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. EPSS estimates a 0.19% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

3.3/10

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

CVSS 4.0

1.9/10

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.19%

8.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-617

Affected Software

Vendor	Product	Versions
Jasper Project	Jasper	<= 4.2.5

References

https://drive.google.com/file/d/1pPgndhHh2z0lk99Wt31W-XIW3XWt8FB3/view?usp=drive_linkExploit
https://github.com/jasper-software/jasper/commit/79185d32d7a444abae441935b20ae4676b3513d4Patch
https://github.com/jasper-software/jasper/issues/401Exploit, Issue Tracking, Vendor Advisory
https://vuldb.com/?ctiid.319370Permissions Required, VDB Entry
https://vuldb.com/?id.319370Third Party Advisory, VDB Entry
https://vuldb.com/?submit.622409Exploit, Third Party Advisory, VDB Entry
https://github.com/jasper-software/jasper/issues/401Exploit, Issue Tracking, Vendor Advisory

Timeline

Published: Aug 11, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-8836?

How severe is CVE-2025-8836?

CVE-2025-8836 has a CVSS score of 1.9/10 (LOW severity). The EPSS model estimates a 0.19% probability of exploitation in the next 30 days.

How do I fix CVE-2025-8836?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-8836?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST