PT-2019-13697 · FFmpeg · Libav

Published 2019-07-30 · Updated 2023-03-03 · CVE-2019-14443

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Libav version 12.3

Description An issue in Libav allows remote attackers to cause a denial of service, resulting in an application crash. This is due to a division by zero in the range decode culshift function in libavcodec/apedec.c, as demonstrated by avconv.

Recommendations For Libav version 12.3, consider updating to a newer version that contains a fix for this issue, as the current version is affected by a division by zero error in the range decode culshift function. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

Divide By Zero

Weakness Enumeration

CWE-369

Related Identifiers

CVE-2019-14443

DLA-2021-1

Affected Products

Libav

References · 21

• 🔥 https://bugzilla.libav.org/show_bug.cgi?id=1161#c1 · Exploit
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-17127 · Security Note
• https://security-tracker.debian.org/tracker/DLA-2021-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-14443 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2019-14443 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-14443 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2019-14443 · Security Note
• https://osv.dev/vulnerability/DLA-2021-1 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-03590 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-18245 · Security Note
• https://ubuntu.com/security/CVE-2019-14443 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-17542 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-19128 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-14443 · Security Note
• https://security-tracker.debian.org/tracker/source-package/libav · Vendor Advisory