Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.
VOLERION
Volerion Security Research

NOT DEFERRED DATABASE

VULNERABILITIES

CVE-2021-26567 Details

Description

Stack-based buffer overflow vulnerability in frontend/main.c in faad2 before 2.2.7.1 allow local attackers to execute arbitrary code via filename and pathname options.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://github.com/knik0/faad2/commit/720f7004d6c4aabee19aad16e7c456ed76a3ebfa CVEPatch
https://www.synology.com/security/advisory/Synology_SA_20_26 CVEVendor Advisory
https://github.com/knik0/faad2/commit/720f7004d6c4aabee19aad16e7c456ed76a3ebfa [email protected]Patch
https://www.synology.com/security/advisory/Synology_SA_20_26 [email protected]Vendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-787Out-of-bounds Write[email protected]
CWE-121Stack-based Buffer Overflow[email protected]

Affected Products

ProductVersions

Change History

7 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-26567
NVD Published Date:
Feb 26, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2021-26567 Details - Not Deferred