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CVE-2019-17539

Good to know:

Date: October 13, 2019

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.

Language: C

Severity Score

9.8

Related Resources (11)

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2019-17539

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

Url: https://nvd.nist.gov/vuln/detail/CVE-2019-17539

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

Url: https://security-tracker.debian.org/tracker/CVE-2019-17539

Url: https://security.alpinelinux.org/vuln/CVE-2019-17539

Url: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15733

Url: https://security.gentoo.org/glsa/202003-65

Url: https://github.com/FFmpeg/FFmpeg/commit/8df6884832ec413cf032dfaa45c23b1c7876670c

Url: https://lists.debian.org/debian-lts-announce/2021/01/msg00026.html

Url: https://www.mend.io/vulnerability-database/CVE-2019-17539

Severity Score

9.8

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

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:	7.5
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	PARTIAL
Integrity (I):	PARTIAL
Availability (A):	PARTIAL
Additional information:

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