Bug 1680588 (CVE-2018-20786)

Summary: CVE-2018-20786 libvterm: NULL pointer dereference in vterm_screen_set_callbacks
Product: [Other] Security Response Reporter: Dhananjay Arunesh <darunesh>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: abhgupta, dbaker, igor.raits, jokerman, michel, sthangav, trankin, zdohnal
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
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Last Closed: 2021-10-27 03:25:47 UTC Type: ---
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 1680592, 1680591, 1686857    
Bug Blocks: 1680589    

Description Dhananjay Arunesh 2019-02-25 11:34:04 UTC
libvterm through 0+bzr726, as used in Vim and other products, mishandles certain
out-of-memory conditions, leading to a denial of service (application crash),
related to screen.c, state.c, and vterm.c.

Upstream Issue:
https://github.com/vim/vim/issues/3711

Upstream Patch:
https://github.com/vim/vim/commit/cd929f7ba8cc5b6d6dcf35c8b34124e969fed6b8

Comment 1 Dhananjay Arunesh 2019-02-25 11:39:45 UTC
Created libvterm tracking bugs for this issue:

Affects: fedora-all [bug 1680591]

Comment 2 Dhananjay Arunesh 2019-02-25 11:40:11 UTC
Created libvterm tracking bugs for this issue:

Affects: epel-7 [bug 1680592]