Bug 2044569 (CVE-2021-37529) - CVE-2021-37529 transfig: Double-free via the free_stream function in readpics.c
Summary: CVE-2021-37529 transfig: Double-free via the free_stream function in readpics.c
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2021-37529
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2044570
Blocks: 2044576
TreeView+ depends on / blocked
 
Reported: 2022-01-24 18:56 UTC by Pedro Sampaio
Modified: 2022-02-11 15:55 UTC (History)
7 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
A double-free vulnerability was found in fig2dev in the free_stream() function of 'readpics.c'. This issue occurs due to freeing the memory for long file names. This flaw allows an attacker to pass a crafted file to fig2dev, causing a double-free fault that can lead to a denial of service.
Clone Of:
Environment:
Last Closed: 2022-02-11 09:36:34 UTC
Embargoed:


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Description Pedro Sampaio 2022-01-24 18:56:59 UTC
A double-free vulnerability exists in fig2dev through 3.28a is affected by: via the free_stream function in readpics.c, which could cause a denial of service (context-dependent).

https://sourceforge.net/p/mcj/tickets/125/

Comment 1 Pedro Sampaio 2022-01-24 18:57:15 UTC
Created transfig tracking bugs for this issue:

Affects: fedora-all [bug 2044570]

Comment 3 Product Security DevOps Team 2022-02-11 09:36:32 UTC
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2021-37529


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