Vulnerability DatabaseCVE-2018-18826
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CVE-2018-18826
Published:October 30, 2018
Updated:July 21, 2026
There exists a heap-based buffer overflow in vc1_decode_p_mb_intfi in vc1_block.c in Libav 12.3, which allows attackers to cause a denial-of-service via a crafted aac file.
Related Resources (2)
https://bugzilla.libav.org/show_bug.cgi?id=1135
https://people.canonical.com/~ubuntu-security/cve/CVE-2018-18826
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CVSS v4
Base Score:
7.1
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Out-of-bounds Write
CWE-787
EPSS
Base Score:
0.92