CVE-2025-8836CWE-617

JasPer JPEG2000 Encoder jpc_enc.c jpc_floorlog2 assertion

Medium · published August 11, 2025

CVSS v4.0
4.8
EPSS
0%
Percentile
11.2
In the wild
Unconfirmed
What it is

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 record
Technical detail
CVSS v4.0
4.8 · MEDIUM
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
EPSS
0.00214 · 11.2th percentile
Weakness
CWE-617 · Reachable Assertion
Published
2025-08-11T07:32Z
EPSS history
Timeline
  • 11 AUG 07:32Z
    JasPer JPEG2000 Encoder jpc_enc.c jpc_floorlog2 assertion
    cvelistv5