Vulnerability Monitor

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CVE-2020-35965

decode_frame in libavcodec/exr.c in FFmpeg 4.3.1 has an out-of-bounds write because of errors in calculations of when to perform memset zero operations.

Published

2021-01-04T02:15:11.273

Last Modified

2024-11-21T05:28:36.403

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-787

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	ffmpeg	ffmpeg	< 4.4	Yes
Operating System	debian	debian_linux	9.0	Yes
Operating System	debian	debian_linux	10.0	Yes

References

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26532 Exploit, Issue Tracking, Third Party Advisory ([email protected])
https://github.com/FFmpeg/FFmpeg/commit/3e5959b3457f7f1856d997261e6ac672bba49e8b Patch, Third Party Advisory ([email protected])
https://github.com/FFmpeg/FFmpeg/commit/b0a8b40294ea212c1938348ff112ef1b9bf16bb3 Patch, Third Party Advisory ([email protected])
https://lists.debian.org/debian-lts-announce/2021/01/msg00026.html Mailing List, Third Party Advisory ([email protected])
https://security.gentoo.org/glsa/202105-24 Third Party Advisory ([email protected])
https://www.debian.org/security/2021/dsa-4990 Third Party Advisory ([email protected])
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26532 Exploit, Issue Tracking, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/FFmpeg/FFmpeg/commit/3e5959b3457f7f1856d997261e6ac672bba49e8b Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/FFmpeg/FFmpeg/commit/b0a8b40294ea212c1938348ff112ef1b9bf16bb3 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2021/01/msg00026.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/202105-24 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.debian.org/security/2021/dsa-4990 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)