CVE-2021-23206: Buffer Overflow
First published: Wed Jun 02 2021(Updated: )
A flaw was found in htmldoc in v1.9.12 and prior. A stack buffer overflow in parse_table() in ps-pdf.cxx may lead to execute arbitrary code and denial of service.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Htmldoc Project Htmldoc | <=1.9.12 | |
| redhat/htmldoc | <1.9.12 | 1.9.12 |
| debian/htmldoc | 1.9.11-4+deb11u3 1.9.16-1 1.9.18-1 1.9.18-2 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=1967028
- https://github.com/michaelrsweet/htmldoc/commit/ba61a3ece382389ae4482c7027af8b32e8ab4cc8
- https://github.com/michaelrsweet/htmldoc/issues/416
- https://ubuntu.com/security/CVE-2021-23206
- https://launchpad.net/bugs/cve/CVE-2021-23206
- https://security-tracker.debian.org/tracker/CVE-2021-23206
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1967033
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1967032
- https://www.cve.org/CVERecord?id=CVE-2021-23206
- https://nvd.nist.gov/vuln/detail/CVE-2021-23206
Frequently Asked Questions
What is CVE-2021-23206?
CVE-2021-23206 is a vulnerability in htmldoc versions 1.9.12 and prior that allows a stack buffer overflow, leading to the execution of arbitrary code and denial of service.
What is the severity of CVE-2021-23206?
CVE-2021-23206 has a severity rating of 7.8 out of 10, which is considered high.
How can CVE-2021-23206 be exploited?
CVE-2021-23206 can be exploited by sending a specially crafted input to the parse_table() function in ps-pdf.cxx, triggering a stack buffer overflow.
Which versions of htmldoc are affected by CVE-2021-23206?
Versions 1.9.12 and prior of htmldoc are affected by CVE-2021-23206.
Is there a fix available for CVE-2021-23206?
Yes, a fix is available for CVE-2021-23206. It is recommended to update htmldoc to version 1.9.13 or later to address this vulnerability.
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