An off-by-one error in the DecodeBlock function in codec/sdl_image.c in VideoLAN VLC…
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-193 and the CVSS impact.
Summary
An off-by-one error in the DecodeBlock function in codec/sdl_image.c in VideoLAN VLC media player before 3.0.9 allows remote attackers to cause a denial of service (memory corruption) via a crafted image file. NOTE: this may be related to the SDL_Image product.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-19721
- 2026-10-03 Alias added: GHSA-2wrf-hf7j-cx32
- 2026-10-08 CISA SSVC decision points changed
- 2026-10-09 Priority changed: LOW → MEDIUM
References
More VideoLAN Vlc Media Player vulnerabilities
- TI-2010-03131 libdirectx_plugin.dll in VideoLAN VLC Media Player before 1.1.8 allows remote attackers… CVSS 2.0HIGH 9.3
- TI-2023-25623 Videolan VLC prior to version 3.0.20 contains an incorrect offset read that leads to a… CVSS 3.1CRITICAL 9.8
- TI-2008-04437 Stack-based buffer overflow in the parse_master function in the Ty demux plugin… CVSS 2.0HIGH 9.3
- TI-2023-25624 Videolan VLC prior to version 3.0.20 contains an Integer underflow that leads to an incorrect packet length. CVSS 3.1HIGH 7.5
- TI-2022-19821 An integer overflow in the VNC module in VideoLAN VLC Media Player through 3.0.17.4… CVSS 3.1HIGH 7.8
- TI-2012-01563 Stack-based buffer overflow in VideoLAN VLC media player before 2.0.1 allows remote… CVSS 2.0HIGH 9.3
Sources
- CVE-2019-19721 · CVE Program
- CVE-2019-19721 · NVD
- FIRST EPSS
- GHSA-2wrf-hf7j-cx32 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences