In FFmpeg 4.0.1, a missing check for failure of a call to init_get_bits8() in the avpriv_ac3_parse_header function in libavcodec/ac3_parser.c may trigger a NULL pointer dereference while converting a crafted AVI file to MPEG4, leading to a denial of service.
The product dereferences a pointer that it expects to be valid but is NULL.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Ffmpeg | Ffmpeg | 4.0.1 (including) | 4.0.1 (including) |
| Chromium-browser | Ubuntu | artful | * |
| Chromium-browser | Ubuntu | bionic | * |
| Chromium-browser | Ubuntu | cosmic | * |
| Chromium-browser | Ubuntu | devel | * |
| Chromium-browser | Ubuntu | disco | * |
| Chromium-browser | Ubuntu | eoan | * |
| Chromium-browser | Ubuntu | esm-apps/noble | * |
| Chromium-browser | Ubuntu | focal | * |
| Chromium-browser | Ubuntu | groovy | * |
| Chromium-browser | Ubuntu | hirsute | * |
| Chromium-browser | Ubuntu | impish | * |
| Chromium-browser | Ubuntu | jammy | * |
| Chromium-browser | Ubuntu | kinetic | * |
| Chromium-browser | Ubuntu | lunar | * |
| Chromium-browser | Ubuntu | mantic | * |
| Chromium-browser | Ubuntu | noble | * |
| Chromium-browser | Ubuntu | oracular | * |
| Chromium-browser | Ubuntu | plucky | * |
| Chromium-browser | Ubuntu | questing | * |
| Chromium-browser | Ubuntu | trusty | * |
| Chromium-browser | Ubuntu | upstream | * |
| Chromium-browser | Ubuntu | xenial | * |
| Ffmpeg | Ubuntu | artful | * |
| Gst-libav1.0 | Ubuntu | artful | * |
| Gst-libav1.0 | Ubuntu | bionic | * |
| Gst-libav1.0 | Ubuntu | cosmic | * |
| Gst-libav1.0 | Ubuntu | disco | * |
| Gst-libav1.0 | Ubuntu | eoan | * |
| Gst-libav1.0 | Ubuntu | focal | * |
| Gst-libav1.0 | Ubuntu | groovy | * |
| Gst-libav1.0 | Ubuntu | hirsute | * |
| Gst-libav1.0 | Ubuntu | impish | * |
| Gst-libav1.0 | Ubuntu | kinetic | * |
| Gst-libav1.0 | Ubuntu | lunar | * |
| Gst-libav1.0 | Ubuntu | mantic | * |
| Gst-libav1.0 | Ubuntu | oracular | * |
| Gst-libav1.0 | Ubuntu | trusty | * |
| Gst-libav1.0 | Ubuntu | xenial | * |
| Kino | Ubuntu | artful | * |
| Kino | Ubuntu | bionic | * |
| Kino | Ubuntu | cosmic | * |
| Kino | Ubuntu | disco | * |
| Kino | Ubuntu | eoan | * |
| Kino | Ubuntu | focal | * |
| Kino | Ubuntu | groovy | * |
| Kino | Ubuntu | hirsute | * |
| Kino | Ubuntu | impish | * |
| Kino | Ubuntu | trusty | * |
| Kino | Ubuntu | xenial | * |
| Mplayer | Ubuntu | artful | * |
| Mythtv | Ubuntu | artful | * |
| Mythtv | Ubuntu | bionic | * |
| Mythtv | Ubuntu | cosmic | * |
| Mythtv | Ubuntu | disco | * |
| Mythtv | Ubuntu | eoan | * |
| Mythtv | Ubuntu | focal | * |
| Mythtv | Ubuntu | groovy | * |
| Mythtv | Ubuntu | hirsute | * |
| Mythtv | Ubuntu | impish | * |
| Mythtv | Ubuntu | kinetic | * |
| Mythtv | Ubuntu | lunar | * |
| Mythtv | Ubuntu | mantic | * |
| Mythtv | Ubuntu | oracular | * |
| Mythtv | Ubuntu | trusty | * |
| Mythtv | Ubuntu | xenial | * |
| Oxide-qt | Ubuntu | artful | * |
| Oxide-qt | Ubuntu | esm-infra/xenial | * |
| Oxide-qt | Ubuntu | trusty | * |
| Oxide-qt | Ubuntu | xenial | * |
| Vlc | Ubuntu | artful | * |