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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.
3 affected packages
qtwebengine-opensource-src, gst-libav1.0, ffmpeg
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| qtwebengine-opensource-src | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation |
| gst-libav1.0 | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation |
| ffmpeg | Not affected | Not affected | Not affected | Not affected | Not affected |
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. NOTE: Third parties...
4 affected packages
ffmpeg, gst-libav1.0, qtwebengine-opensource-src, vice
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| ffmpeg | — | Not affected | Not affected | Not affected | Not affected |
| gst-libav1.0 | — | Not affected | Not affected | Not affected | Not affected |
| qtwebengine-opensource-src | — | Not affected | Not affected | Not affected | Not affected |
| vice | — | Not affected | Not affected | Not affected | Not affected |
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.
3 affected packages
qtwebengine-opensource-src, gst-libav1.0, ffmpeg
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| qtwebengine-opensource-src | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation |
| gst-libav1.0 | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation |
| ffmpeg | Not affected | Not affected | Not affected | Not affected | Not affected |
FFmpeg through 4.2 has a "Conditional jump or move depends on uninitialised value" issue in h2645_parse because alloc_rbsp_buffer in libavcodec/h2645_parse.c mishandles rbsp_buffer.
1 affected package
ffmpeg
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| ffmpeg | — | — | — | — | Not affected |
Some fixes available 2 of 5
In FFmpeg 4.1.3, there is a division by zero at adx_write_trailer in libavformat/rawenc.c.
1 affected package
ffmpeg
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| ffmpeg | — | — | — | Not affected | Fixed |
Some fixes available 1 of 2
block_cmp() in libavcodec/zmbvenc.c in FFmpeg 4.1.3 has a heap-based buffer over-read.
1 affected package
ffmpeg
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| ffmpeg | — | — | — | Fixed | Not affected |
Some fixes available 2 of 4
aa_read_header in libavformat/aadec.c in FFmpeg before 3.2.14 and 4.x before 4.1.4 does not check for sscanf failure and consequently allows use of uninitialized variables.
1 affected package
ffmpeg
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| ffmpeg | — | — | — | Not affected | Fixed |
The studio profile decoder in libavcodec/mpeg4videodec.c in FFmpeg 4.0 before 4.0.4 and 4.1 before 4.1.2 allows remote attackers to cause a denial of service (out-of-array access) or possibly have unspecified other impact via...
1 affected package
ffmpeg
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| ffmpeg | — | — | — | — | Not affected |
Some fixes available 3 of 4
libavcodec/hevcdec.c in FFmpeg 3.4 and 4.1.2 mishandles detection of duplicate first slices, which allows remote attackers to cause a denial of service (NULL pointer dereference and out-of-array access) or possibly...
1 affected package
ffmpeg
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| ffmpeg | — | — | — | Not affected | Fixed |
A denial of service in the subtitle decoder in FFmpeg 3.2 and 4.1 allows attackers to hog the CPU via a crafted video file in Matroska format, because handle_open_brace in libavcodec/htmlsubtitles.c has a complex format argument to sscanf.
1 affected package
ffmpeg
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| ffmpeg | — | — | — | — | Fixed |