Where
-Infinity
0
Severity
1.9
EPSS
0.03%
Null Pointer Dereference
AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R

A vulnerability, which was classified as problematic, was found in libav up to 12.3. This affects the function ffseekframebinary of the file /libavformat/utils.c of the component MPEG File Parser. The manipulation leads to null pointer dereference. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used. The bug was initially reported by the researcher to the wrong project. This vulnerability only affects products that are no longer supported by the maintainer.

First published (updated )
Severity
1.9
EPSS
0.03%
Double Free, Buffer Overflow
AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

A vulnerability, which was classified as critical, has been found in libav up to 12.3. Affected by this issue is the function main of the file /avtools/avconv.c of the component DSS File Demuxer. The manipulation leads to double free. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used. The bug was initially reported by the researcher to the wrong project. This vulnerability only affects products that are no longer supported by the maintainer.

First published (updated )
Severity
1.9
EPSS
0.03%
Null Pointer Dereference
AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R

A vulnerability classified as problematic was found in libav up to 12.3. Affected by this vulnerability is the function avbufferunref of the file libavutil/buffer.c of the component AVI File Parser. The manipulation leads to null pointer dereference. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. The bug was initially reported by the researcher to the wrong project. This vulnerability only affects products that are no longer supported by the maintainer.

First published (updated )
Severity
6.5
Input Validation
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

In Libav 12.3, there is a floating point exception in the rangedecodeculshift function (called from rangedecodebits) in libavcodec/apedec.c that will lead to remote denial of service via crafted input.

First published (updated )
Severity
6.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

In Libav 12.3, there is a heap-based buffer over-read in decodeframe in libavcodec/lcldec.c that allows an attacker to cause denial-of-service via a crafted avi file.

First published (updated )
Severity
6.5
Buffer Overflow
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

DISPUTED In Libav 12.3, there is an invalid memory access in vc1decodeframe in libavcodec/vc1dec.c that allows attackers to cause a denial-of-service via a crafted aac file. NOTE: This may be a duplicate of CVE-2017-17127.

1 / 2
First published (updated )
Severity
6.5
Null Pointer Dereference
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

In Libav 12.3, a NULL pointer dereference (RIP points to zero) issue in ffmpasynthfilterfloat in libavcodec/mpegaudiodsptemplate.c can cause a segmentation fault (application crash) via a crafted mov file.

First published (updated )
Severity
8.8
Buffer Overflow
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

In Libav through 12.2, there is an invalid memcpy in the avpacketref function of libavcodec/avpacket.c. Remote attackers could leverage this vulnerability to cause a denial of service (segmentation fault) via a crafted avi file.

First published (updated )
Severity
8.8
Buffer Overflow
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

In Libav through 12.2, there is an invalid memcpy call in the ffmovreadstsdentries function of libavformat/mov.c. Remote attackers could leverage this vulnerability to cause a denial of service (segmentation fault) and program failure with a crafted avi file.

First published (updated )
Severity
6.5
Null Pointer Dereference
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

The vc1decodeframe function in libavcodec/vc1dec.c in Libav 12.2 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted file.

First published (updated )
Severity
6.5
Buffer Overflow
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

The h264sliceinit function in libavcodec/h264slice.c in Libav 12.2 allows remote attackers to cause a denial of service (segmentation fault and application crash) via a crafted file.

First published (updated )
Severity
8.8
Buffer Overflow
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

The fffreepicturetables function in libavcodec/mpegpicture.c in Libav 12.2 allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted file, related to vc1decodeiblocksadv.

First published (updated )
Severity
8.8
Null Pointer Dereference
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

The ffvc1mc4mvchroma4 function in libavcodec/vc1mc.c in Libav 12.2 allows remote attackers to cause a denial of service (segmentation fault and application crash) or possibly have unspecified other impact via a crafted file.

First published (updated )
Severity
7.5
Buffer Overflow
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

In Libav through 11.11 and 12.x through 12.1, the smackerdecodetree function in libavcodec/smacker.c does not properly restrict tree recursion, which allows remote attackers to cause a denial of service (bitstream.c:buildtable() out-of-bounds read and application crash) via a crafted Smacker stream.

First published (updated )
Severity
7.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

There is an illegal address access in the buildtable function in libavcodec/bitstream.c of Libav 12.1 that will lead to remote denial of service via crafted input.

First published (updated )
Severity
9.8
Null Pointer Dereference
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

libav before 12.1 is vulnerable to an invalid read of size 1 due to NULL pointer dereferencing in the nsvreadchunk function in libavformat/nsvdec.c.

First published (updated )
Severity
7.1
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

The decoderesidual function in libavcodec in libav 9.21 allows remote attackers to cause a denial of service (buffer over-read) or obtain sensitive information from process memory via a crafted h264 video file.

First published (updated )
Severity
7.1
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

The ffh2645extractrbsp function in libavcodec in libav 9.21 allows remote attackers to cause a denial of service (heap-based buffer over-read) or obtain sensitive information from process memory via a crafted h264 video file.

First published (updated )
Severity
5.5
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

libswscale/utils.c in libav 11.8 allows remote attackers to cause a denial of service (crash) via vectors involving left shift of a negative value.

First published (updated )
Severity
5.5
Integer Overflow
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Integer overflow in libswscale/x86/swscale.c in libav 11.8 allows remote attackers to cause a denial of service (crash) via a crafted file.

First published (updated )
Severity
5.5
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

libavcodec/mpegvideomotion.c in libav 11.8 allows remote attackers to cause a denial of service (crash) via vectors involving left shift of a negative value.

First published (updated )
Severity
5.5
Integer Overflow
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Integer overflow in libavcodec/mpeg12dec.c in libav 11.8 allows remote attackers to cause a denial of service (crash) via a crafted file.

First published (updated )
Severity
5.5
Integer Overflow
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Integer overflow in libavcodec/mpegvideoparser.c in libav 11.8 allows remote attackers to cause a denial of service (crash) via a crafted file.

First published (updated )
Severity
5.5
Buffer Overflow
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

libavcodec/x86/mpegvideo.c in libav 11.8 allows remote attackers to cause a denial of service (crash) via a crafted file.

First published (updated )
Severity
5.5
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

libavcodec/mpegvideo.c in libav 11.8 allows remote attackers to cause a denial of service (crash) via vectors involving left shift of a negative value.

First published (updated )
Severity
5.5
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

libavcodec/ituh263dec.c in libav 11.8 allows remote attackers to cause a denial of service (crash) via vectors involving left shift of a negative value.

First published (updated )
Severity
5.5
Null Pointer Dereference
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

The getvlc2 function in getbits.h in Libav 11.9 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted mp3 file. NOTE: this issue exists due to an incomplete fix for CVE-2016-8675.

First published (updated )
Severity
5.5
Buffer Overflow
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Stack-based buffer overflow in the aacsync function in aacparser.c in Libav before 11.5 allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted file.

First published (updated )
Severity
5.5
Null Pointer Dereference
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

The ffputpixels8xy2mmx function in rndtemplate.c in Libav 11.7 allows remote attackers to cause a denial of service (invalid memory access and crash) via a crafted mp3 file. NOTE: this issue was originally reported as involving a NULL pointer dereference.

First published (updated )
Severity
5.5
Null Pointer Dereference
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

The getvlc2 function in getbits.h in Libav before 11.9 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted mp3 file, possibly related to startcode sequences during m4v detection.

First published (updated )

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203