CVSS v3
8.8
HIGH
EPSS Score
1.9 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
A code execution vulnerability exists in the AudioSourceProviderGStreamer functionality of Webkit WebKitGTK 2.30.1. A specially crafted web page can lead to a use after free.
Technical details
- Published
- 2021-03-03
Frequently asked questions
What is CVE-2020-13558?
A code execution vulnerability exists in the AudioSourceProviderGStreamer functionality of Webkit WebKitGTK 2.30.1. A specially crafted web page can lead to a use after free.
Is CVE-2020-13558 actively exploited?
Active exploitation of CVE-2020-13558 has not been confirmed. Its EPSS score was 1.9% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2020-13558?
CVE-2020-13558 has a CVSS v3 base score of 8.8 (HIGH severity).
Is CVE-2020-13558 affecting your environment?
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