Bug 2218749 (CVE-2023-26966) - CVE-2023-26966 libtiff: Buffer Overflow in uv_encode()
Summary: CVE-2023-26966 libtiff: Buffer Overflow in uv_encode()
Keywords:
Status: NEW
Alias: CVE-2023-26966
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Nobody
QA Contact:
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Whiteboard:
Depends On: 2219257 2219258 2218754 2218755 2218756 2219255 2221290 2221668
Blocks: 2218748
TreeView+ depends on / blocked
 
Reported: 2023-06-30 06:07 UTC by Avinash Hanwate
Modified: 2023-11-07 08:19 UTC (History)
14 users (show)

Fixed In Version:
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Doc Text:
A flaw was found in libtiff. A specially crafted tiff file can lead to a segmentation fault due to an out-of-bounds read in the uv_encode function in libtiff/tif_luv.c, resulting in a denial of service.
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System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2023:6575 0 None None None 2023-11-07 08:19:33 UTC

Description Avinash Hanwate 2023-06-30 06:07:48 UTC 
libtiff 4.5.0 is vulnerable to Buffer Overflow in uv_encode() when libtiff reads a corrupted little-endian TIFF file and specifies the output to be big-endian.

https://gitlab.com/libtiff/libtiff/-/issues/530
https://gitlab.com/libtiff/libtiff/-/merge_requests/473
Comment 2 TEJ RATHI 2023-07-03 06:16:50 UTC 
Created iv tracking bugs for this issue:

Affects: fedora-all [bug 2219255]


Created libtiff tracking bugs for this issue:

Affects: fedora-all [bug 2219257]


Created mingw-libtiff tracking bugs for this issue:

Affects: fedora-all [bug 2219258]
Comment 7 errata-xmlrpc 2023-11-07 08:19:31 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2023:6575 https://access.redhat.com/errata/RHSA-2023:6575
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