Bug 1946289 (CVE-2021-20308) - CVE-2021-20308 htmldoc: Integer overflow in image_load_gif()
Summary: CVE-2021-20308 htmldoc: Integer overflow in image_load_gif()
Alias: CVE-2021-20308
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
Depends On: 1946291 1946290
Blocks: 1946292
TreeView+ depends on / blocked
Reported: 2021-04-05 17:36 UTC by Pedro Sampaio
Modified: 2021-04-06 19:04 UTC (History)
2 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
An integer overflow flaw was found in HTMLDOC. This flaw allows attackers to execute arbitrary code and cause a denial of service. The highest threat from this vulnerability is to system availability.
Clone Of:
Last Closed: 2021-04-05 23:35:14 UTC

Attachments (Terms of Use)

Description Pedro Sampaio 2021-04-05 17:36:20 UTC
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.

Upstream bug:


Comment 1 Pedro Sampaio 2021-04-05 17:36:51 UTC
Created htmldoc tracking bugs for this issue:

Affects: epel-7 [bug 1946291]
Affects: fedora-all [bug 1946290]

Comment 2 Product Security DevOps Team 2021-04-05 23:35:14 UTC
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.

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