5.5

CVE-2021-36584: gpac Out-of-bounds Write

CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2021-36584DEBIAN-CVE-2021-36584
Published 05-08-2021Last modified 04-08-2024

Vulnerability summary

CVE-2021-36584 is a medium (CVSS 5.5) Out-of-bounds Write vulnerability in gpac. EPSS estimates a 0.76% chance of exploitation in the next 30 days, higher than 54.6% 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
0.76%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 05-08-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

An issue was discovered in GPAC 1.0.1. There is a heap-based buffer overflow in the function gp_rtp_builder_do_tx3g function in ietf/rtp_pck_3gpp.c, as demonstrated by MP4Box. This can cause a denial of service (DOS).

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.76%

Chance of exploitation in the next 30 days

Percentile

55%

Versus all other CVEs

30-day change

0.00 pp

From 0.76% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.76%

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
  • gpacAll versions (No fix recorded)
Gpac1 product
Ubuntu1 product
  • gpacAll versions (No fix recorded)

3 vendors · 3 products

References

4 links