VDB
CVE-2021-20308
CVE-2021-20308
PUBLISHED
CVSS 9.800000190734863 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.
EPSS 2.48% · 84.5th percentile
Risk Scores
CVSS 3.1
9.800000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
2.48%
84.5th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:Pro:20.04:LTS | htmldoc | 0, 1.9.3-1, 1.9.7-1build1 |
| Ubuntu:Pro:18.04:LTS | htmldoc | 1.8.27-8ubuntu2, 0, 1.8.27-8ubuntu3 |
| Ubuntu:Pro:14.04:LTS | htmldoc | 1.8.27-8ubuntu1+esm1, 1.8.27-8ubuntu1+esm2, 0 |
| Ubuntu:Pro:16.04:LTS | htmldoc | 0, 1.8.27-8ubuntu1, 1.8.27-8ubuntu1.1+esm1 |
Timeline
- Apr 5, 2021 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Oct 27, 2021 EPSS Score
- Dec 29, 2021 EPSS Score
- Feb 4, 2022 EPSS Score
- Mar 2, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- Jul 6, 2022 EPSS Score
- Sep 7, 2022 EPSS Score
- Nov 9, 2022 EPSS Score
- Mar 7, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2021-20308 advisory
- https://github.com/michaelrsweet/htmldoc/issues/423 discussion
- https://ubuntu.com/security/notices/USN-7189-1 advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1946289 third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2021-20308 third-party-advisory