CVE-2025-8836
JasPer JPEG2000 Encoder jpc_enc.c jpc_floorlog2 assertion
- State
- Published
- Severity
- 4.8 Medium
- Published
- Aug 11, 2025
- Updated
- Aug 12, 2025
- Reserved
- Aug 10, 2025
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 4.8 Medium | 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 | VulDB |
| 3.1 | 3.3 Low | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C | VulDB |
| 3.0 | 3.3 Low | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C | VulDB |
| 2.0 | 1.7 Low | AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C | VulDB |
Weaknesses
- CWE-617 Reachable Assertion
Affected Products
| Product | Versions |
|---|---|
JasPern/a |
|
References
- VDB-319370 | JasPer JPEG2000 Encoder jpc_enc.c jpc_floorlog2 assertionvdb-entrytechnical-description
- VDB-319370 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- Submit #622409 | JasPer The newest master && jasper-4.2.5 Assertion Failurethird-party-advisory
- https://github.com/jasper-software/jasper/issues/401issue-tracking
- https://drive.google.com/file/d/1pPgndhHh2z0lk99Wt31W-XIW3XWt8FB3/view?usp=drive_linkexploit
- https://github.com/jasper-software/jasper/commit/79185d32d7a444abae441935b20ae4676b3513d4patch
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