CVE-2021-3404
High
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.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Ytnef
PublishedMar 4, 2021
First seenMar 4, 2021
Weakness typeCWE-119Memory buffer bounds error
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| ytnef_project ytnef | 1.9.3 | — |
| redhat enterprise_linux | 7.0 | — |
| fedoraproject fedora | 33 | — |
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