What is CVE-2025-47806?

CVE-2025-47806 is a medium-severity vulnerability in Gstreamer, classified under Stack-based Buffer Overflow. CVSS score: 5.6/10. Published 2025-08-07.

How severe is CVE-2025-47806?

Medium severity. CVSS v3 base score is 5.6 out of 10.

Is CVE-2025-47806 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Gstreamer

CVE-2025-47806

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.

Vulnerability class: Buffer Overflow

EPSS: 0.003 (20.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.6 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

Gstreamer
N/a — versions n/a

Weakness classification (CWE)

CWE-121 — Stack-based Buffer Overflow

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

cve@mitre.org (Vendor Advisory)
cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2025-47806?: CVE-2025-47806 is a medium-severity vulnerability in Gstreamer, classified under Stack-based Buffer Overflow. CVSS score: 5.6/10. Published 2025-08-07.
How severe is CVE-2025-47806?: Medium severity. CVSS v3 base score is 5.6 out of 10.
Is CVE-2025-47806 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.