CVE-2021-23158

moderate-risk
Published 2022-03-16

A flaw was found in htmldoc in v1.9.12. Double-free in function pspdf_export(),in ps-pdf.cxx may result in a write-what-where condition, allowing an attacker to execute arbitrary code and denial of service.

Do I need to act?

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0.33% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Htmldoc Project

References (6)

Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1967018
Patch https://github.com/michaelrsweet/htmldoc/commit/369b2ea1fd0d0537ba707f20a2f047b6...
Exploit https://github.com/michaelrsweet/htmldoc/issues/414
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1967018
Patch https://github.com/michaelrsweet/htmldoc/commit/369b2ea1fd0d0537ba707f20a2f047b6...
Exploit https://github.com/michaelrsweet/htmldoc/issues/414
38
/ 100
moderate-risk
Severity 32/34 · Critical
Exploitability 1/34 · Minimal
Exposure 5/34 · Minimal