Buffer overflow in Jasper Project
CVE-2025-8837
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.002 (12.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 12.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- Jasper Project
- Jasper — versions 4.2.0, 4.2.1, 4.2.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (Exploit, VDB Entry, Third Party Advisory, third-party-advisory)
- vuldb.com/ (Exploit, VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/jasper-software/jasper/issues/402 (issue-tracking, Exploit, Issue Tracking, Vendor Advisory)
- drive.google.com/file/d/17Ic_DDOlH7mMT7IbTN2Bmo6SrujIUh24/view (Exploit, exploit)
- github.com/jasper-software/jasper/commit/8308060d3fbc1da10353ac8a95c8ea60eba9c2… (Patch, patch)
Frequently asked questions
- What is CVE-2025-8837?
- CVE-2025-8837 is a medium-severity vulnerability in Jasper Project, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.3/10. Published 2025-08-11.
- How severe is CVE-2025-8837?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2025-8837 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.