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Vulnerability details: VCID-zn8x-u8bm-hbdp
Vulnerability ID VCID-zn8x-u8bm-hbdp
Aliases CVE-2021-28429
Summary Integer overflow vulnerability in av_timecode_make_string in libavutil/timecode.c in FFmpeg version 4.3.2, allows local attackers to cause a denial of service (DoS) via crafted .mov file.
Status Published
Exploitability 0.5
Weighted Severity 5.0
Risk 2.5
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-190 Integer Overflow or Wraparound
System Score Found at
epss 0.00017 https://api.first.org/data/v1/epss?cve=CVE-2021-28429
epss 0.00017 https://api.first.org/data/v1/epss?cve=CVE-2021-28429
epss 0.00017 https://api.first.org/data/v1/epss?cve=CVE-2021-28429
epss 0.00017 https://api.first.org/data/v1/epss?cve=CVE-2021-28429
epss 0.00017 https://api.first.org/data/v1/epss?cve=CVE-2021-28429
epss 0.00017 https://api.first.org/data/v1/epss?cve=CVE-2021-28429
epss 0.00017 https://api.first.org/data/v1/epss?cve=CVE-2021-28429
epss 0.00017 https://api.first.org/data/v1/epss?cve=CVE-2021-28429
epss 0.00017 https://api.first.org/data/v1/epss?cve=CVE-2021-28429
epss 0.00017 https://api.first.org/data/v1/epss?cve=CVE-2021-28429
epss 0.00017 https://api.first.org/data/v1/epss?cve=CVE-2021-28429
epss 0.00017 https://api.first.org/data/v1/epss?cve=CVE-2021-28429
epss 0.00017 https://api.first.org/data/v1/epss?cve=CVE-2021-28429
epss 0.00017 https://api.first.org/data/v1/epss?cve=CVE-2021-28429
epss 0.00017 https://api.first.org/data/v1/epss?cve=CVE-2021-28429
epss 0.00017 https://api.first.org/data/v1/epss?cve=CVE-2021-28429
epss 0.00017 https://api.first.org/data/v1/epss?cve=CVE-2021-28429
epss 0.00017 https://api.first.org/data/v1/epss?cve=CVE-2021-28429
epss 0.00017 https://api.first.org/data/v1/epss?cve=CVE-2021-28429
epss 0.00017 https://api.first.org/data/v1/epss?cve=CVE-2021-28429
epss 0.00017 https://api.first.org/data/v1/epss?cve=CVE-2021-28429
epss 0.00017 https://api.first.org/data/v1/epss?cve=CVE-2021-28429
epss 0.00017 https://api.first.org/data/v1/epss?cve=CVE-2021-28429
epss 0.00017 https://api.first.org/data/v1/epss?cve=CVE-2021-28429
epss 0.00017 https://api.first.org/data/v1/epss?cve=CVE-2021-28429
epss 0.00017 https://api.first.org/data/v1/epss?cve=CVE-2021-28429
epss 0.00017 https://api.first.org/data/v1/epss?cve=CVE-2021-28429
epss 0.00017 https://api.first.org/data/v1/epss?cve=CVE-2021-28429
cvssv3.1 5.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
ssvc Track https://git.ffmpeg.org/gitweb/ffmpeg.git/commitdiff/c94875471e3ba3dc396c6919ff3ec9b14539cd71
cvssv3.1 5.5 https://nvd.nist.gov/vuln/detail/CVE-2021-28429
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2021-28429
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28429
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
c94875471e3ba3dc396c6919ff3ec9b14539cd71 https://git.ffmpeg.org/gitweb/ffmpeg.git/commitdiff/c94875471e3ba3dc396c6919ff3ec9b14539cd71
cpe:2.3:a:ffmpeg:ffmpeg:4.3.2:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:ffmpeg:ffmpeg:4.3.2:*:*:*:*:*:*:*
CVE-2021-28429 https://nvd.nist.gov/vuln/detail/CVE-2021-28429
USN-6430-1 https://usn.ubuntu.com/6430-1/
No exploits are available.
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-10-09T17:35:52Z/ Found at https://git.ffmpeg.org/gitweb/ffmpeg.git/commitdiff/c94875471e3ba3dc396c6919ff3ec9b14539cd71
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2021-28429
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.02606
EPSS Score 0.00017
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:39:57.466708+00:00 Ubuntu USN Importer Import https://usn.ubuntu.com/6430-1/ 37.0.0