KMPlayer Subtitles parser Heap Overflow Vulnerability
Priority LOW 29CWE-190Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-190 and the CVSS impact.
Summary
When processing subtitles format media file, KMPlayer version 2018.12.24.14 or lower doesn't check object size correctly, which leads to integer underflow then to memory out-of-bound read/write. An attacker can exploit this issue by enticing an unsuspecting user to open a malicious file.
Why it matters now
EPSS 0.01875 79th percentileScored 2026-11-07
Fix Fixed KMPlayer (Pandora.tv): 2018.12.24.14
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Pandora.tv | KMPlayer | KMPlayer to before 2018.12.24.14 | 2018.12.24.14 | Patch available | CNA |
- KMPlayer VendorPandora.tv Affected KMPlayer to before 2018.12.24.14 Fixed in 2018.12.24.14 Patch available CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:kmplayer:kmplayer:*:*:*:*:*:*:*:* | up to 2018.12.24.14 | Vulnerable | Kmplayer |
| cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:* | 29 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* | 30 | Vulnerable | Fedoraproject |
- cpe:2.3:a:kmplayer:kmplayer:*:*:*:*:*:*:*:* Versions up to 2018.12.24.14 Vulnerable ·Kmplayer
- cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:* Versions 29 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* Versions 30 Vulnerable ·Fedoraproject
Remediation
- Fix · CNA KMPlayer (Pandora.tv) Fixed in 2018.12.24.14
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2019-9133
- 2026-10-03 Alias added: GHSA-jfcr-39q8-hmpx
References
Sources
- CVE-2019-9133 · CVE Program
- CVE-2019-9133 · NVD
- FIRST EPSS
- GHSA-jfcr-39q8-hmpx · GitHub Advisory Database · CC BY 4.0
- CVE-2019-9133 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences