7.5

CVE-2021-41457: gpac mp4box Out-of-bounds Write

CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2021-41457DEBIAN-CVE-2021-41457
Published 01-10-2021Last modified 04-08-2024

Vulnerability summary

CVE-2021-41457 is a high (CVSS 7.5) Out-of-bounds Write vulnerability in gpac mp4box. EPSS estimates a 1.21% chance of exploitation in the next 30 days, higher than 67.8% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
40/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
1.21%
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. 01-10-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

There is a stack buffer overflow in MP4Box 1.1.0 at src/filters/dmx_nhml.c in nhmldmx_init_parsing which leads to a denial of service vulnerability.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.21%

Chance of exploitation in the next 30 days

Percentile

68%

Versus all other CVEs

30-day change

0.00 pp

From 1.21% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.21%

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

5 links