VDB
CVE-2019-9717
CVE-2019-9717
PUBLISHED
CVSS 6.5 MEDIUM
In Libav 12.3, a denial of service in the subtitle decoder allows attackers to hog the CPU via a crafted video file in Matroska format, because srt_to_ass in libavcodec/srtdec.c has a complex format argument to sscanf.
EPSS 1.28% · 69.8th 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
1.28%
69.8th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:16.04:LTS | gst-libav1.0 | 0, 1.8.3-1ubuntu0.2, 1.8.3-1ubuntu0.1 |
| Ubuntu:20.04:LTS | qtwebengine-opensource-src | 5.12.4+dfsg-1ubuntu3, 0, 5.12.4+dfsg-1ubuntu1 |
| Ubuntu:24.04:LTS | qtwebengine-opensource-src | 5.15.15+dfsg-2, 5.15.15+dfsg-2build2, 5.15.15+dfsg-2ubuntu1 |
| Ubuntu:22.04:LTS | qtwebengine-opensource-src | 5.15.9+dfsg-1, 5.15.6+dfsg-1, 0 |
| Ubuntu:18.04:LTS | qtwebengine-opensource-src | 5.9.1+dfsg-4, 0, 5.9.5+dfsg-0ubuntu2 |
| Ubuntu:25.10 | qtwebengine-opensource-src | 5.15.18+dfsg-2build1, 0, 5.15.18+dfsg-2 |
| Ubuntu:24.04:LTS | gst-libav1.0 | 0, 1.24.1-1, 1.24.1-1build1 |
| Ubuntu:25.10 | gst-libav1.0 | 1.26.5-1, 1.26.6-1, 1.26.3-1 |
| Ubuntu:20.04:LTS | gst-libav1.0 | 1.16.1-1, 1.16.2-2, 1.16.2-1 |
| Ubuntu:18.04:LTS | gst-libav1.0 | 1.12.4-1, 1.12.2-1, 1.14.0-1 |
| Ubuntu:22.04:LTS | gst-libav1.0 | 1.18.5-1, 1.20.3-0ubuntu1, 1.20.1-1 |
Timeline
- Sep 19, 2019 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 26, 2021 EPSS Score
- Dec 30, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Mar 4, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 6, 2022 EPSS Score
- Sep 10, 2022 EPSS Score
- Nov 13, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2019-9717 advisory
- https://github.com/libav/libav/blob/df744e3cf66548c9167ea857104a29d2ea92819e/libavcodec/srtdec.c#L90 third-party-advisory
- https://lgtm.com/security/ third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2019-9717 third-party-advisory