High severity · published Aug 11, 2025
CVE-2025-8837
A vulnerability was identified in JasPer up to 4.2.5
7.8
CVSS
0.2%
EPSS
No
On KEV
Description
A vulnerability was identified in JasPer up to 4.2.5. This affects the function jpc_dec_dump of the file src/libjasper/jpc/jpc_dec.c of the component JPEG2000 File Handler. The manipulation leads to use after free. An attack has to be approached locally. The exploit has been disclosed to the public and may be used. The patch is named 8308060d3fbc1da10353ac8a95c8ea60eba9c25a. It is recommended to apply a patch to fix this issue.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 15% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
JA
Jasper · Jasper Project
through 4.2.5 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-8837
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-8837
Exploit
https://drive.google.com/file/d/17Ic_DDOlH7mMT7IbTN2Bmo6SrujIUh24/view?usp=sharing
Patch
https://github.com/jasper-software/jasper/commit/8308060d3fbc1da10353ac8a95c8ea60eba9c25a
Exploit
https://github.com/jasper-software/jasper/issues/402
Permissions Required
https://vuldb.com/?ctiid.319371
Third Party Advisory
https://vuldb.com/?id.319371
Exploit
https://vuldb.com/?submit.630487
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