5.5

CVE-2021-40572: gpac Double Free

CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2021-40572DEBIAN-CVE-2021-40572
Published 13-01-2022Last modified 04-08-2024

Vulnerability summary

CVE-2021-40572 is a medium (CVSS 5.5) Double Free vulnerability in gpac. EPSS estimates a 0.87% chance of exploitation in the next 30 days, higher than 58.1% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.87%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Advisory lineage

Upstream 0 · Downstream 1

Timeline

  1. 13-01-2022
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

The binary MP4Box in Gpac 1.0.1 has a double-free bug in the av1dmx_finalize function in reframe_av1.c, which allows attackers to cause a denial of service.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.87%

Chance of exploitation in the next 30 days

Percentile

58%

Versus all other CVEs

30-day change

0.00 pp

From 0.87% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.87%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Gpac

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • gpac< 1.0.1+dfsg1-4+deb11u2
Gpac1 product
Ubuntu1 product
  • gpacAll versions (No fix recorded)

3 vendors · 3 products

References

6 links