5.6

CVE-2025-47806: gstreamer Stack-based Buffer Overflow

CVSS: 5.6v3.1MediumAnalyzed
AliasesALPINE-CVE-2025-47806UBUNTU-CVE-2025-47806DEBIAN-CVE-2025-47806
Published 07-08-2025Last modified 08-08-2025

Vulnerability summary

CVE-2025-47806 is a medium (CVSS 5.6) Stack-based Buffer Overflow vulnerability in gstreamer. EPSS estimates a 0.29% chance of exploitation in the next 30 days, higher than 20.1% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
5.6/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.29%
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 11 · Related 10

Timeline

  1. 07-08-2025
    PublishedVulnerability first disclosed.
  2. 08-08-2025
    Last modifiedVulnerability information updated.

Description

In GStreamer through 1.26.1, the subparse plugin's parse_subrip_time function may write data past the bounds of a stack buffer, leading to a crash.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

0.29%

Chance of exploitation in the next 30 days

Percentile

20%

Versus all other CVEs

30-day change

0.00 pp

From 0.29% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.29%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Advisories

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Alpine1 product
  • gst-plugins-base< 1.26.2-r0
Debian1 product
  • gst-plugins-base1.0< 1.22.0-3+deb12u5 | < 1.26.2-1
Gstreamer1 product
Ubuntu1 product
  • gst-plugins-base1.0< 1.8.3-1ubuntu0.3+esm3 | < 1.14.5-0ubuntu1~18.04.3+esm2 | < 1.16.3-0ubuntu1.4+esm1 | < 1.20.1-1ubuntu0.5 | < 1.24.2-1ubuntu0.3 | < 1.26.2-1

4 vendors · 4 products

References

8 links