VulnerabilityModified
CVE-2021-20308
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.
CRITICAL 9.8EPSS 2.48%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.48%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.48% probability · 84th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-190
- Affected
- htmldoc project/htmldoc · debian/debian linux
- Source
- secalert@redhat.com
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1946289Exploit, Issue Tracking, Third Party Advisory
- https://github.com/michaelrsweet/htmldoc/issues/423Exploit, Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/07/msg00000.htmlMailing List, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1946289Exploit, Issue Tracking, Third Party Advisory
- https://github.com/michaelrsweet/htmldoc/issues/423Exploit, Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/07/msg00000.htmlMailing List, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.