CVE-2021-3404: 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…

PriorityP335high7.8CVSS 3.1

AVLACLPRNUIRSUCHIHAH

EPSS

1.95%

77.9th percentile

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

5 ranges

Vendor	Product	Version range	Fixed in
debian	libytnef	< libytnef 1.9.3-3 (bookworm)	libytnef 1.9.3-3 (bookworm)
fedoraproject	fedora	—	—
redhat	enterprise_linux	—	—
ytnef_project	ytnef	—	—
ytnef_project	ytnef	—	—

CVSS provenance

nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

nvdv2.06.8MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P

osv7.8HIGH

vendor_debian7.8HIGH

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