CVE-2025-8836 MEDIUM

CVE-2025-8836: JasPer JPEG2000 Encoder jpc_enc.c jpc_floorlog2 assertion

Vendor N/A
Product JasPer
Weakness CWE-617
Published August 11, 2025
Last update August 12, 2025

CVSS base score

4.8/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

August 11, 2025 CVE published
August 12, 2025 Record updated