Vulnerability Description
Integer overflow in the htmldoc 1.9.11 and before may allow attackers to execute arbitrary code and cause a denial of service that is similar to CVE-2017-9181.
CVSS Score
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Htmldoc Project | Htmldoc | <= 1.9.11 |
| Debian | Debian Linux | 9.0 |
Related Weaknesses (CWE)
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1946289ExploitIssue TrackingThird Party Advisory
- https://github.com/michaelrsweet/htmldoc/issues/423ExploitIssue TrackingThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/07/msg00000.htmlMailing ListThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1946289ExploitIssue TrackingThird Party Advisory
- https://github.com/michaelrsweet/htmldoc/issues/423ExploitIssue TrackingThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/07/msg00000.htmlMailing ListThird Party Advisory
FAQ
What is CVE-2021-20308?
CVE-2021-20308 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Integer overflow in the htmldoc 1.9.11 and before may allow attackers to execute arbitrary code and cause a denial of service that is similar to CVE-2017-9181.
How severe is CVE-2021-20308?
CVE-2021-20308 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2021-20308?
Check the references section above for vendor advisories and patch information. Affected products include: Htmldoc Project Htmldoc, Debian Debian Linux.