CVEvulnerability
CVE-2021-3404
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-03-04
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 6.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-119, CWE-787
Description
In ytnef 1.9.3, the SwapWord function in lib/ytnef.c allows remote attackers to cause a denial-of-service (and potentially code execution) due to a heap buffer overflow which can be triggered via a crafted file.
Affected configurations
• ytnef project ytnef 1.9.3
• redhat enterprise linux 7.0
• fedoraproject fedora 33
Related
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1926965 Issue Tracking, Third Party Advisory
- https://github.com/Yeraze/ytnef/issues/86 Exploit, Issue Tracking, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1926965 Issue Tracking, Third Party Advisory
- https://github.com/Yeraze/ytnef/issues/86 Exploit, Issue Tracking, Third Party Advisory