Bug 1934478 (CVE-2021-27799) - CVE-2021-27799 zint: stack-based buffer overflow
Summary: CVE-2021-27799 zint: stack-based buffer overflow
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2021-27799
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1934479
Blocks:
TreeView+ depends on / blocked
 
Reported: 2021-03-03 10:43 UTC by Marian Rehak
Modified: 2021-03-03 13:02 UTC (History)
1 user (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed: 2021-03-03 13:02:05 UTC
Embargoed:

Attachments (Terms of Use)

Description Marian Rehak 2021-03-03 10:43:14 UTC 
ean_leading_zeroes in backend/upcean.c in Zint Barcode Generator 2.9.1 has a stack-based buffer overflow that is reachable from the C API through an application that includes the Zint Barcode Generator library code.

Reference:

http://zint.org.uk/Manual.aspx?type=p&page=3
http://zint.org.uk/Manual.aspx?type=p&page=4
http://zint.org.uk/Manual.aspx?type=p&page=5
https://sourceforge.net/p/zint/code/ci/7f8c8114f31c09a986597e0ba63a49f96150368a/
https://sourceforge.net/p/zint/tickets/218/
Comment 1 Marian Rehak 2021-03-03 10:43:41 UTC 
Created zint tracking bugs for this issue:

Affects: fedora-all [bug 1934479]
Comment 2 Product Security DevOps Team 2021-03-03 13:02:05 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.
Note You need to log in before you can comment on or make changes to this bug.