cbcvebase.
CVE-2021-23180
published 2022-03-02

CVE-2021-23180: A flaw was found in htmldoc in v1.9.12 and before. Null pointer dereference in file_extension(),in file.c may lead to execute arbitrary code and denial of…

PriorityP336high7.8CVSS 3.1
AVLACLPRNUIRSUCHIHAH
EPSS
1.27%
66.1th percentile
A flaw was found in htmldoc in v1.9.12 and before. Null pointer dereference in file_extension(),in file.c may lead to execute arbitrary code and denial of service.

Affected

7 ranges
VendorProductVersion rangeFixed in
debianhtmldoc< htmldoc 1.9.11-4 (bookworm)htmldoc 1.9.11-4 (bookworm)
htmldoc_projecthtmldoc<= 1.9.12
htmldoc_projecthtmldoc
htmldoc_projecthtmldoc>= 0 < 1.9.11-41.9.11-4
htmldoc_projecthtmldoc>= 0 < 1.9.11-41.9.11-4
htmldoc_projecthtmldoc>= 0 < 1.9.11-41.9.11-4
htmldoc_projecthtmldoc>= 0 < 1.9.11-41.9.11-4

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_debian7.8LOW
Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.