Vulnerability Details : CVE-2021-26948
Potential exploit
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.
Vulnerability category: Memory CorruptionExecute codeDenial of service
Products affected by CVE-2021-26948
- cpe:2.3:a:htmldoc_project:htmldoc:1.9.11:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-26948
0.20%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 39 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-26948
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2021-26948
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by:
- nvd@nist.gov (Primary)
- secalert@redhat.com (Secondary)
-
The product defines a signal handler that calls a non-reentrant function.Assigned by: secalert@redhat.com (Secondary)
References for CVE-2021-26948
-
https://github.com/michaelrsweet/htmldoc/issues/410
SEGV on unknown address 0x000000000000 · Issue #410 · michaelrsweet/htmldoc · GitHubExploit;Issue Tracking;Patch;Third Party Advisory
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