Home/CVE/In mpc8_read_header in libavformat/mpc8.c in Libav 12.3, an input file can result in an avio_seek infinite loop and hang
CVE

CVE-2019-14442

In mpc8_read_header in libavformat/mpc8.c in Libav 12.3, an input file can result in an avio_seek infinite loop and hang

In mpc8_read_header in libavformat/mpc8.c in Libav 12.3, an input file can result in an avio_seek infinite loop and hang, with 100% CPU consumption. Attackers could leverage this vulnerability to cause a denial of service via a crafted file.

MEDIUM · CVSS 6.5 EPSS 0.00222
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-835Loop with Unreachable Exit Condition ('Infinite Loop')
▤

Affected Products & Versions

2
libavall versions
debian linuxall versions
⚠

Public Exploits & PoCs

1
pocbugzilla.libav.org · show_bug.cgi?id=1159bugzilla.libav.org
▣

Scoring & Timeline

6.5
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD30 Jul 2019 · 01:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://lists.debian.org/debian-lts-announce/2019/09/msg00000.htmlMailing ListThird Party Advisory
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