High severity · published Mar 3, 2022
CVE-2021-26259
A flaw was found in htmldoc in v1.9.12
7.8
CVSS
1.2%
EPSS
No
On KEV
Description
A flaw was found in htmldoc in v1.9.12. Heap buffer overflow in render_table_row(),in ps-pdf.cxx may lead to arbitrary code execution and denial of service.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 68% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HT
Htmldoc · Htmldoc Project
1.9.12 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-26259
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-26259
Patch
https://github.com/michaelrsweet/htmldoc/commit/0ddab26a542c74770317b622e985c52430092ba5
Exploit
https://github.com/michaelrsweet/htmldoc/issues/417
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