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CVE-2025-8836

JasPer JPEG2000 Encoder jpc_enc.c jpc_floorlog2 assertion

CVSS 4.8 MEDIUMEPSS 0.2%CWE-617
Vexday Risk Score
13Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 4.8EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado
Lifecycle
11 Aug 2025Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
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: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
Affected products
n/a · JasPer

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References
https://drive.google.com/file/d/1pPgndhHh2z0lk99Wt31W-XIW3XWt8FB3/view?usp=drive_linkhttps://github.com/jasper-software/jasper/commit/79185d32d7a444abae441935b20ae4676b3513d4https://github.com/jasper-software/jasper/issues/401https://vuldb.com/?ctiid.319370https://vuldb.com/?id.319370https://vuldb.com/?submit.622409