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CVE-2021-26948

Date: March 2, 2022

Null pointer dereference in the htmldoc v1.9.11 and before may allow attackers to execute arbitrary code and cause a denial of service via a crafted html file.

Language: C++

Severity Score

Related Resources (6)

https://people.canonical.com/~ubuntu-security/cve/CVE-2021-26948
https://security-tracker.debian.org/tracker/CVE-2021-26948
https://github.com/michaelrsweet/htmldoc/commit/008861d8339c6ec777e487770b70b95b1ed0c1d2
https://github.com/michaelrsweet/htmldoc/issues/410
https://nvd.nist.gov/vuln/detail/CVE-2021-26948
https://www.mend.io/vulnerability-database/CVE-2021-26948

Severity Score

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

Signal Handler Use of a Non-reentrant Function

CWE-479

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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