CVE-2021-38091
HIGHCVSS 8.8/10EPSS 1.18%
Last modified
CVE-2021-38091 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Integer Overflow vulnerability in function filter16_sobel in libavfilter/vf_convolution.c in Ffmpeg 4.2.1, allows attackers to cause a Denial of Service or other unspecified impacts.. EPSS estimates a 1.18% chance of exploitation in the next 30 days.
Description
Integer Overflow vulnerability in function filter16_sobel in libavfilter/vf_convolution.c in Ffmpeg 4.2.1, allows attackers to cause a Denial of Service or other unspecified impacts.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Ffmpeg | Ffmpeg | 4.2.1 |
References
- https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/99f8d32129dd233d4eb2efa44678a0bc44869f23Mailing List, Patch, Vendor Advisory
- https://trac.ffmpeg.org/ticket/8263Exploit, Issue Tracking, Vendor Advisory
- https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/99f8d32129dd233d4eb2efa44678a0bc44869f23Mailing List, Patch, Vendor Advisory
- https://trac.ffmpeg.org/ticket/8263Exploit, Issue Tracking, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-38091?
Integer Overflow vulnerability in function filter16_sobel in libavfilter/vf_convolution.c in Ffmpeg 4.2.1, allows attackers to cause a Denial of Service or other unspecified impacts.
How severe is CVE-2021-38091?
CVE-2021-38091 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.18% probability of exploitation in the next 30 days.
How do I fix CVE-2021-38091?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-38086Acronis Cyber Protect 15 for Windows prior to build 27009 an…7.8
- CVE-2021-38087Reflected cross-site scripting (XSS) was possible on the log…6.1
- CVE-2021-38088Acronis Cyber Protect 15 for Windows prior to build 27009 al…7.8
- CVE-2021-38089Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultID…
- CVE-2021-3809Potential security vulnerabilities have been identified in t…7.8
- CVE-2021-38090Integer Overflow vulnerability in function filter16_roberts …8.8
- CVE-2021-38092Integer Overflow vulnerability in function filter_prewitt in…8.8
- CVE-2021-38093Integer Overflow vulnerability in function filter_robert in …8.8
- CVE-2021-38094Integer Overflow vulnerability in function filter_sobel in l…8.8
- CVE-2021-38095The REST API in Planview Spigit 4.5.3 allows remote unauthen…7.5
- CVE-2021-38096Coreip.dll in Corel PDF Fusion 2.6.2.0 is affected by an Out…7.8
- CVE-2021-38097Corel PDF Fusion 2.6.2.0 is affected by an Out-of-bounds Wri…7.8
Are you affected by CVE-2021-38091?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST