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CVE-2018-13303

Good to know:

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Date: July 5, 2018

In FFmpeg 4.0.1, a missing check for failure of a call to init_get_bits8() in the avpriv_ac3_parse_header function in libavcodec/ac3_parser.c may trigger a NULL pointer dereference while converting a crafted AVI file to MPEG4, leading to a denial of service.

Language: C

Severity Score

Related Resources (6)

https://github.com/FFmpeg/FFmpeg/commit/00e8181bd97c834fe60751b0c511d4bb97875f78
https://security-tracker.debian.org/tracker/CVE-2018-13303
http://www.securityfocus.com/bid/104675
https://people.canonical.com/~ubuntu-security/cve/CVE-2018-13303
https://nvd.nist.gov/vuln/detail/CVE-2018-13303
https://www.mend.io/vulnerability-database/CVE-2018-13303

Severity Score

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

Top Fix

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CVSS v3

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

CVSS v2

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

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