CVE-2020-21041

CVSS V2 Medium 5 CVSS V3 High 7.5
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
Overview
  • CVE ID
  • CVE-2020-21041
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-05-24T18:15:07
  • Last Modified Date
  • 2021-12-10T17:05:17
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:ffmpeg:ffmpeg:4.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://trac.ffmpeg.org/ticket/7989 Exploit Patch Vendor Advisory
https://lists.debian.org/debian-lts-announce/2021/08/msg00018.html Mailing List Third Party Advisory
https://www.debian.org/security/2021/dsa-4990 Third Party Advisory
History
Created Old Value New Value Data Type Notes
2022-05-10 06:41:49 Added to TrackCVE
2022-12-05 02:53:10 2021-05-24T18:15Z 2021-05-24T18:15:07 CVE Published Date updated
2022-12-05 02:53:10 2021-12-10T17:05:17 CVE Modified Date updated
2022-12-05 02:53:10 Analyzed Vulnerability Status updated