Vulnerabilities
Misconfiguration
Runtime Security
Compliance
CVE Vulnerabilities

CVE-2021-23180

NULL Pointer Dereference

Published: Mar 02, 2022 | Modified: Nov 07, 2023
CVSS 3.x
7.8
HIGH
Source:
NVD
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.x
6.8 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P
RedHat/V2
RedHat/V3
Ubuntu
MEDIUM
Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2021-23180
CWEhttps://cwe.mitre.org/data/definitions/476.html

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.

Weakness

A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.

Affected Software

Name Vendor Start Version End Version
Htmldoc Htmldoc_project * 1.9.12 (including)
Htmldoc Ubuntu esm-apps/xenial *
Htmldoc Ubuntu esm-infra-legacy/trusty *
Htmldoc Ubuntu focal *
Htmldoc Ubuntu groovy *
Htmldoc Ubuntu hirsute *
Htmldoc Ubuntu trusty *
Htmldoc Ubuntu trusty/esm *
Htmldoc Ubuntu upstream *
Htmldoc Ubuntu xenial *

Potential Mitigations

References

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