CVE-2019-9717
No fix known EPSS 1%
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.
Products: libav
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu 16.04 LTS | gst-libav1.0 | no fix |
| Ubuntu 18.04 LTS | gst-libav1.0 | no fix |
| Ubuntu 20.04 LTS | gst-libav1.0 | no fix |
| Ubuntu 22.04 LTS | gst-libav1.0 | no fix |
| Ubuntu 24.04 LTS | gst-libav1.0 | no fix |
| Ubuntu 25.10 | gst-libav1.0 | no fix |
| Ubuntu 25.10 | qtwebengine-opensource-src | no fix |
| Ubuntu 26.04 LTS | gst-libav1.0 | no fix |
| Ubuntu 26.10 | gst-libav1.0 | no fix |
| Ubuntu 26.10 | qtwebengine-opensource-src | no fix |
| Ubuntu Pro 18.04 LTS | qtwebengine-opensource-src | no fix |
| Ubuntu Pro 20.04 LTS | qtwebengine-opensource-src | no fix |
| Ubuntu Pro 22.04 LTS | qtwebengine-opensource-src | no fix |
| Ubuntu Pro 24.04 LTS | qtwebengine-opensource-src | no fix |
| Ubuntu Pro 26.04 LTS | qtwebengine-opensource-src | no fix |