VDB
CVE-2019-9720
CVE-2019-9720
PUBLISHED
CVSS 6.5 MEDIUM
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 1.09% · 65.4th percentile
Risk Scores
CVSS 3.1
6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS Score
1.09%
65.4th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:24.04:LTS | gst-libav1.0 | 1.22.5-1, 0, 1.24.1-1build1 |
| Ubuntu:18.04:LTS | qtwebengine-opensource-src | 0, 5.9.5+dfsg-0ubuntu2, 5.9.4+dfsg-0ubuntu1 |
| Ubuntu:22.04:LTS | gst-libav1.0 | 1.18.5-1, 0, 1.20.0-1 |
| Ubuntu:20.04:LTS | gst-libav1.0 | 0, 1.16.2-2, 1.16.2-1 |
| Ubuntu:24.04:LTS | qtwebengine-opensource-src | 5.15.16+dfsg-3, 0, 5.15.15+dfsg-2build2 |
| Ubuntu:22.04:LTS | qtwebengine-opensource-src | 5.15.6+dfsg-2, 5.15.6+dfsg-1, 0 |
| Ubuntu:20.04:LTS | qtwebengine-opensource-src | 5.12.5+dfsg-7build1, 5.12.5+dfsg-3ubuntu1, 0 |
| Ubuntu:18.04:LTS | gst-libav1.0 | 0, 1.14.5-0ubuntu1~18.04.1, 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 | 0, 5.15.18+dfsg-2build1, 5.15.19+dfsg-1 |
Timeline
- Sep 19, 2019 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 26, 2021 EPSS Score
- Oct 28, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Mar 4, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 6, 2022 EPSS Score
- Jul 9, 2022 EPSS Score
- Sep 11, 2022 EPSS Score
- Nov 13, 2022 EPSS Score
References
- 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
- https://ubuntu.com/security/CVE-2019-9720 advisory