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In Libav 12.3, there is a heap-based buffer over-read in vc1_decode_p_mb_intfi in vc1_block.c that allows an attacker to cause denial-of-service via a crafted file.
1 affected package
libav
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| libav | Not in release | Not in release | Not in release | Not in release |
In Libav 12.3, there is a segmentation fault in vc1_decode_b_mb_intfr in vc1_block.c that allows an attacker to cause denial-of-service via a crafted file.
1 affected package
libav
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| libav | Not in release | Not in release | Not in release | Not in release |
In Libav 12.3, there is a heap-based buffer over-read in vc1_decode_b_mb_intfi in vc1_block.c that allows an attacker to cause denial-of-service via a crafted file.
1 affected package
libav
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| libav | Not in release | Not in release | Not in release | Not in release |
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
gst-libav1.0, qtwebengine-opensource-src, ffmpeg
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| gst-libav1.0 | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation |
| qtwebengine-opensource-src | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation |
| ffmpeg | 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
gst-libav1.0, qtwebengine-opensource-src, vice, ffmpeg
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| 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 |
| ffmpeg | 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
gst-libav1.0, qtwebengine-opensource-src, ffmpeg
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| gst-libav1.0 | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation |
| qtwebengine-opensource-src | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation |
| ffmpeg | Not affected | Not affected | Not affected | Not affected |
Some fixes available 1 of 4
In FFmpeg before 4.2, avcodec_open2 in libavcodec/utils.c allows a NULL pointer dereference and possibly unspecified other impact when there is no valid close function pointer.
2 affected packages
ffmpeg, libav
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| ffmpeg | Not affected | Not affected | Not affected | Fixed |
| libav | Not in release | Not in release | Not in release | Not in release |
An issue was discovered in Libav 12.3. Division by zero in range_decode_culshift in libavcodec/apedec.c allows remote attackers to cause a denial of service (application crash), as demonstrated by avconv.
1 affected package
libav
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| libav | Not in release | Not in release | Not in release | Not in release |
In mpc8_read_header in libavformat/mpc8.c in Libav 12.3, an input file can result in an avio_seek infinite loop and hang, with 100% CPU consumption. Attackers could leverage this vulnerability to cause a denial of service via a...
1 affected package
libav
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| libav | Not in release | Not in release | Not in release | Not in release |
An issue was discovered in Libav 12.3. An access violation allows remote attackers to cause a denial of service (application crash), as demonstrated by avconv. This is related to ff_mpa_synth_filter_float...
1 affected package
libav
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| libav | Not in release | Not in release | Not in release | Not in release |