Bug 1817397 (CVE-2020-9760) - CVE-2020-9760 weechat: receiving IRC message 005 with longer nick prefixes could result in buffer overflow and crash
Summary: CVE-2020-9760 weechat: receiving IRC message 005 with longer nick prefixes co...
Alias: CVE-2020-9760
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
Depends On: 1817400 1817398 1817399
TreeView+ depends on / blocked
Reported: 2020-03-26 09:53 UTC by Michael Kaplan
Modified: 2020-05-31 07:30 UTC (History)
5 users (show)

Fixed In Version: weechat 2.7.1
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Clone Of:
Last Closed: 2020-03-26 10:32:11 UTC

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Description Michael Kaplan 2020-03-26 09:53:35 UTC
An issue was discovered in WeeChat before 2.7.1. When receiving IRC message 005 with longer nick prefixes, a buffer overflow and possibly a crash can happen when a new mode is set for a nick.

Comment 1 Michael Kaplan 2020-03-26 09:54:43 UTC
Created weechat tracking bugs for this issue:

Affects: epel-6 [bug 1817399]
Affects: epel-7 [bug 1817400]
Affects: fedora-all [bug 1817398]

Comment 2 Product Security DevOps Team 2020-03-26 10:32:11 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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