CVE-2020-21041
HIGH
7.5
CVSS Score
Published: May 24, 2021 at 05:31 PM UTC
Updated: June 17, 2026 at 03:03 AM UTC
2 products affected across 2 vendorsDebian LinuxFFMPEG
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Severity
HIGH7.5
Exploit prediction
EPSS 2%
Description
Buffer Overflow vulnerability exists in FFmpeg 4.1 via apng_do_inverse_blend in libavcodec/pngenc.c, which could let a remote malicious user cause a Denial of Service
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (3)
Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2021/08/msg00018.htmlx_refsource_MISCExploitPatchVendor Advisory
Source: [email protected]
https://trac.ffmpeg.org/ticket/7989Vendor Advisoryx_refsource_DEBIANThird Party Advisory
Source: [email protected]
https://www.debian.org/security/2021/dsa-4990CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-120
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