CVE-2018-20001

MEDIUM

Libav 12.3 - Denial of Service via Floating Point Exception in range_decode_culshift

Title source: llm

Description

In Libav 12.3, there is a floating point exception in the range_decode_culshift function (called from range_decode_bits) in libavcodec/apedec.c that will lead to remote denial of service via crafted input.

References (1)

Core 1

Core References

Exploit, Issue Tracking, Third Party Advisory x_refsource_misc

https://bugzilla.libav.org/show_bug.cgi?id=1141

Scores

CVSS v3 6.5

EPSS 0.0101

EPSS Percentile 58.9%

Attack Vector NETWORK

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Details

CWE

CWE-20

Status published

Products (1)

libav/libav 12.3

Published Dec 10, 2018

Tracked Since Feb 18, 2026