CVE-2018-13303 — NULL Pointer Dereference in Ffmpeg

CWE-476 — NULL Pointer Dereference4 documents4 sources
Severity
6.5MEDIUMNVD
EPSS
0.4%
top 37.13%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
FfmpegDebian Ffmpeg
Timeline
PublishedJul 5
Latest updateMay 14

Description

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.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages3 packages

▶debiandebian/ffmpeg< ffmpeg 7:4.0.2-1 (bookworm)
▶Debianffmpeg/ffmpeg< 7:4.0.2-1+3
▶NVDffmpeg/ffmpeg4.0.1

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-rrxj-m39q-79v3: In FFmpeg 4↗2022-05-14
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OSV
CVE-2018-13303: In FFmpeg 4↗2018-07-05
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📋Vendor Advisories

1
Debian
CVE-2018-13303: ffmpeg - In FFmpeg 4.0.1, a missing check for failure of a call to init_get_bits8() in th...↗2018
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