VDB
CVE-2019-9720
CVE-2019-9720
PUBLISHED
A stack-based buffer overflow in the subtitle decoder in Libav 12.3 allows attackers to corrupt the stack via a crafted video file in Matroska format, because srt_to_ass in libavcodec/srtdec.c misuses snprintf.
EPSS 0.30% · 53.0th percentile
Risk Scores
EPSS Score
0.30%
53.0th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:24.04:LTS | gst-libav1.0 | 1.22.8-1, 1.22.7-1, 1.22.5-1 |
| Ubuntu:18.04:LTS | qtwebengine-opensource-src | 5.9.5+dfsg-0ubuntu2, *, * |
| Ubuntu:22.04:LTS | gst-libav1.0 | 1.18.5-1, 1.20.1-1, 1.20.3-0ubuntu1 |
| Ubuntu:20.04:LTS | gst-libav1.0 | 1.16.2-1, 1.16.2-2, 1.16.1-1 |
| Ubuntu:24.04:LTS | qtwebengine-opensource-src | *, *, * |
| Ubuntu:22.04:LTS | qtwebengine-opensource-src | 0, 5.15.6+dfsg-2, 5.15.8+dfsg-1build2 |
| Ubuntu:20.04:LTS | qtwebengine-opensource-src | 5.12.8+dfsg-0ubuntu1, 0, 5.12.4+dfsg-1ubuntu1 |
| Ubuntu:18.04:LTS | gst-libav1.0 | 1.12.3-1, 0, 1.12.2-1 |
| Ubuntu:25.10 | gst-libav1.0 | 1.26.0-1, 1.26.1-1, 1.26.3-1 |
| Ubuntu:16.04:LTS | gst-libav1.0 | 1.8.3-1ubuntu0.1, 1.8.1-1~ubuntu1, 1.7.90-1 |
| Ubuntu:25.10 | qtwebengine-opensource-src | 5.15.19+dfsg-1, 5.15.19+dfsg2-1, * |
Timeline
- Sep 19, 2019 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Oct 26, 2021 EPSS Score
- Dec 27, 2021 EPSS Score
- Feb 28, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 1, 2022 EPSS Score
- Jul 3, 2022 EPSS Score
- Sep 4, 2022 EPSS Score
- Nov 6, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2019-9720 third-party-advisory
- https://github.com/libav/libav/blob/df744e3cf66548c9167ea857104a29d2ea92819e/libavcodec/srtdec.c#L161 third-party-advisory
- https://lgtm.com/security/ third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2019-9720 third-party-advisory