CVE-2025-8836
LOWJasPer < 4.2.5 - Reachable Assertion in jpc_floorlog2 Function
Title source: llmDescription
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.
References (6)
Core 6
Core References
Third Party Advisory, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.319370
Permissions Required, VDB Entry signature
permissions-required
https://vuldb.com/?ctiid.319370
Exploit, Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.622409
Exploit, Issue Tracking, Vendor Advisory issue-tracking
https://github.com/jasper-software/jasper/issues/401
Scores
CVSS v3
3.3
EPSS
0.0019
EPSS Percentile
8.3%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-617
Status
published
Products (1)
jasper_project/jasper
< 4.2.5
Published
Aug 11, 2025
Tracked Since
Feb 18, 2026