Bug 2155525 (CVE-2020-35511) - CVE-2020-35511 pngcheck: global-buffer-overflow in pngcheck() in pngcheck.c
Summary: CVE-2020-35511 pngcheck: global-buffer-overflow in pngcheck() in pngcheck.c
Keywords:
Status: NEW
Alias: CVE-2020-35511
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: 2155526
Blocks:
TreeView+ depends on / blocked
 
Reported: 2022-12-21 12:41 UTC by TEJ RATHI
Modified: 2023-07-07 08:30 UTC (History)
1 user (show)

Fixed In Version: pngcheck 3.0.0
Clone Of:
Environment:
Last Closed:
Embargoed:

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Description TEJ RATHI 2022-12-21 12:41:34 UTC 
A global buffer overflow (out-of-bounds read) was discovered in pngcheck-2.4.0 and before in pngcheck() function in pngcheck.c via a crafted png file.

Fixed in pngcheck v3.0.0 (upstream).

https://bugzilla.redhat.com/show_bug.cgi?id=1905775 (original report)
http://www.libpng.org/pub/png/apps/pngcheck.html
Comment 1 TEJ RATHI 2022-12-21 12:41:52 UTC 
Created pngcheck tracking bugs for this issue:

Affects: epel-all [bug 2155526]
Comment 2 Ben Beasley 2022-12-21 15:54:08 UTC 
This patch was backported into pngcheck 2.4 in EPEL8/7 at the time.

https://bugzilla.redhat.com/show_bug.cgi?id=1905775#c13
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