Bug 2183009 (CVE-2021-33642)

Summary:	CVE-2021-33642 byacc: an infinite loop occurs in next_inline() of the more_curly() function
Product:	[Other] Security Response	Reporter:	Marian Rehak <mrehak>
Component:	vulnerability	Assignee:	Nobody <nobody>
Status:	NEW ---	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	ashankar, sipoyare
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
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Regression:	---	Mount Type:	---
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Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	2183010, 2183014, 2183015, 2183016
Bug Blocks:	2164081

Description Marian Rehak 2023-03-30 08:10:57 UTC

When a file is processed, an infinite loop occurs in next_inline() of the more_curly() function.

Reference:

https://gitee.com/src-openeuler/byacc/commit/50225f48c6b53e9d7c936681a06682404cb8ec4d

Comment 1 Marian Rehak 2023-03-30 08:11:12 UTC

Created byacc tracking bugs for this issue:

Affects: fedora-all [bug 2183010]

Comment 3 Siddhesh Poyarekar 2023-03-31 12:35:40 UTC

See also CVE-2021-33641, byacc is a standalone program so I can't see why this is being treated as a security bug.