CVE-2021-38291
HIGH
7.5
CVSS Score
Published: August 12, 2021 at 12:00 AM UTC
Updated: June 17, 2026 at 04:01 AM UTC
2 products affected across 2 vendorsDebian LinuxFFMPEG
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Severity
HIGH7.5
Exploit prediction
EPSS 3%
Description
FFmpeg version (git commit de8e6e67e7523e48bb27ac224a0b446df05e1640) suffers from a an assertion failure at src/libavutil/mathematics.c.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Debian Linux· Debiandrupal
95%v < 4.1.74.2.0 ≤ v < 4.2.54.3.0 ≤ v < 4.3.34.4.0 ≤ v < 4.4.1
Affected range stops below 4.1.7, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.2.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.3.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.4.1, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (5)
Mailing ListThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2021/11/msg00012.htmlVendor Advisoryx_refsource_DEBIANThird Party Advisory
Source: [email protected]
https://www.debian.org/security/2021/dsa-4990Vendor Advisoryx_refsource_DEBIANThird Party Advisory
Source: [email protected]
https://www.debian.org/security/2021/dsa-4998CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-617
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