Bug 2221272 (CVE-2021-33796) - CVE-2021-33796 MuJS: Use-after-free in regexp source property access
Summary: CVE-2021-33796 MuJS: Use-after-free in regexp source property access
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2021-33796
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Nobody
QA Contact:
URL:
Whiteboard:
Depends On: 2221274 2221273
Blocks:
TreeView+ depends on / blocked
 
Reported: 2023-07-07 17:48 UTC by Pedro Sampaio
Modified: 2023-07-07 21:56 UTC (History)
0 users

Fixed In Version: MuJS 1.1.2
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Clone Of:
Environment:
Last Closed: 2023-07-07 21:56:02 UTC
Embargoed:

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Description Pedro Sampaio 2023-07-07 17:48:22 UTC 
In MuJS before version 1.1.2, a use-after-free flaw in the regexp source property access may cause denial of service.

References:

https://github.com/ccxvii/mujs/commit/7ef066a3bb95bf83e7c5be50d859e62e58fe8515
Comment 1 Pedro Sampaio 2023-07-07 17:48:40 UTC 
Created mujs tracking bugs for this issue:

Affects: epel-all [bug 2221274]
Affects: fedora-all [bug 2221273]
Comment 2 Product Security DevOps Team 2023-07-07 21:56:01 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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