VulnerabilityModified
CVE-2021-23180
Null pointer dereference in file_extension(),in file.c may lead to execute arbitrary code and denial of service.
HIGH 7.8EPSS 1.35%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.35%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 1.35% probability · 70th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- htmldoc project/htmldoc
- Source
- secalert@redhat.com
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1967041Issue Tracking, Patch, Third Party Advisory
- https://github.com/michaelrsweet/htmldoc/commit/19c582fb32eac74b57e155cffbb529377a9e751aPatch, Third Party Advisory
- https://github.com/michaelrsweet/htmldoc/issues/418Exploit, Issue Tracking, Third Party Advisory
- https://ubuntu.com/security/CVE-2021-23180Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1967041Issue Tracking, Patch, Third Party Advisory
- https://github.com/michaelrsweet/htmldoc/commit/19c582fb32eac74b57e155cffbb529377a9e751aPatch, Third Party Advisory
- https://github.com/michaelrsweet/htmldoc/issues/418Exploit, Issue Tracking, Third Party Advisory
- https://ubuntu.com/security/CVE-2021-23180Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.