A Segmentation Fault issue discovered StreamSerializer::extractStreams function in…
Priority MEDIUM 58CWE-787Published · 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
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
A Segmentation Fault issue discovered StreamSerializer::extractStreams function in streamSerializer.cpp in oggvideotools 0.9.1 allows remote attackers to cause a denial of service (crash) via opening of crafted ogg file.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00485 42nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
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
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ogg_video_tools_project:ogg_video_tools:0.9.1:*:*:*:*:*:*:* | 0.9.1 | Vulnerable | Ogg Video Tools Project |
- cpe:2.3:a:ogg_video_tools_project:ogg_video_tools:0.9.1:*:*:*:*:*:*:* Versions 0.9.1 Vulnerable ·Ogg Video Tools Project
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2020-21723
- 2026-10-03 Alias added: GHSA-3cvg-j39v-pqwx
References
More Ogg Video Tools Project Ogg Video Tools vulnerabilities
- TI-2020-14154 Buffer Overflow vulnerability in ExtractorInformation function in streamExtractor.cpp in… CVSS 3.1HIGH 7.8
- TI-2020-14152 Buffer Overflow vulnerability in oggvideotools 0.9.1 allows remote attackers to run… CVSS 3.1HIGH 7.8
Sources
- CVE-2020-21723 · CVE Program
- CVE-2020-21723 · NVD
- FIRST EPSS
- GHSA-3cvg-j39v-pqwx · GitHub Advisory Database · CC BY 4.0
- CVE-2020-21723 · 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