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No exploitation reportedFix available

CVE-2021-37231

No exploitation reported by the sources we read.

  • Published2021-08-04
  • WeaknessCWE-787

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A stack-buffer-overflow occurs in Atomicparsley 20210124.204813.840499f through APar_readX() in src/util.cpp while parsing a crafted mp4 file because of the missing boundary check.

Timeline

dates in UTC
  1. 2021-08-0410:15CVE publishedNVD

Versions per branch

NVD
Atomicparsley project atomicparsley
BranchAffectedFixed in
20210124.204813= 20210124.204813.840499fno fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • atomicparsleyUbuntu:26.10all versions · no fixed version listed
  • atomicparsleyUbuntu:26.04:LTSall versions · no fixed version listed
  • atomicparsleyUbuntu:25.10all versions · no fixed version listed
  • atomicparsleyUbuntu:24.04:LTSall versions · no fixed version listed
  • atomicparsleyUbuntu:22.04:LTSall versions · no fixed version listed
  • atomicparsleyUbuntu:20.04:LTSall versions · no fixed version listed
  • atomicparsleyUbuntu:18.04:LTSall versions · no fixed version listed
  • atomicparsleyUbuntu:16.04:LTSall versions · no fixed version listed

5 more package ranges on OSV.dev

Vendor advisories

  • CVE-2021-37231 Red Hat Product Security

    AtomicParsley: stack-based buffer overflow because of the missing boundary check while parsing a crafted mp4 file

Full record on NVD

Fix

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Published
2021-08-04
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-vp6p-w92w-v298

Frequently asked questions

What is CVE-2021-37231?

A stack-buffer-overflow occurs in Atomicparsley 20210124.204813.840499f through APar_readX() in src/util.cpp while parsing a crafted mp4 file because of the missing boundary check.

Is CVE-2021-37231 actively exploited?

Active exploitation of CVE-2021-37231 has not been confirmed. Its EPSS score was 1.0% on 2026-11-09, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-37231?

CVE-2021-37231 has a CVSS v3 base score of 5.5 (MEDIUM severity), with vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

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