CVE-2019-9720
No fix known EPSS 1%
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.
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 |