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CVE-2020-12284

Good to know:

Date: April 28, 2020

cbs_jpeg_split_fragment in libavcodec/cbs_jpeg.c in FFmpeg 4.1 and 4.2.2 has a heap-based buffer overflow during JPEG_MARKER_SOS handling because of a missing length check.

Language: C++

Severity Score

9.8

Related Resources (11)

Url: https://github.com/FFmpeg/FFmpeg/commit/a3a3730b5456ca00587455004d40c047f7b20a99

Url: https://security.alpinelinux.org/vuln/CVE-2020-12284

Url: https://security-tracker.debian.org/tracker/CVE-2020-12284

Url: https://usn.ubuntu.com/4431-1/

Url: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19734

Url: https://www.debian.org/security/2020/dsa-4722

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2020-12284

Url: https://github.com/FFmpeg/FFmpeg/commit/1812352d767ccf5431aa440123e2e260a4db2726

Url: https://nvd.nist.gov/vuln/detail/CVE-2020-12284

Url: https://security.gentoo.org/glsa/202007-58

Url: https://www.mend.io/vulnerability-database/CVE-2020-12284

Severity Score

9.8

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

CVSS v3.1

Base Score:	9.8
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	10.0
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	COMPLETE
Integrity (I):	COMPLETE
Availability (A):	COMPLETE
Additional information:

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