CVE-2023-26966: Buffer Overflow
First published: Thu Jun 29 2023(Updated: )
Last updated 24 July 2024
Credit: cve@mitre.org cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Libtiff Libtiff | =4.5.0 | |
| debian/tiff | <=4.2.0-1+deb11u5<=4.5.0-6+deb12u1 | 4.5.1+git230720-5 |
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Reference Links
- https://gitlab.com/libtiff/libtiff/-/issues/530
- https://gitlab.com/libtiff/libtiff/-/merge_requests/473
- https://lists.debian.org/debian-lts-announce/2023/07/msg00034.html
- https://launchpad.net/bugs/cve/CVE-2023-26966
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2219255
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2219257
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2219258
- https://access.redhat.com/errata/RHSA-2023:6575
- https://bugzilla.redhat.com/show_bug.cgi?id=2218749
- https://gitlab.com/libtiff/libtiff/-/commit/b0e1c25dd1d065200c8d8f59ad0afe014861a1b9
- https://security-tracker.debian.org/tracker/CVE-2023-26966
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-26966
- https://nvd.nist.gov/vuln/detail/CVE-2023-26966
- https://ubuntu.com/security/CVE-2023-26966
Frequently Asked Questions
What is CVE-2023-26966?
CVE-2023-26966 is a vulnerability in libtiff 4.5.0 that allows a buffer overflow when reading a corrupted little-endian TIFF file.
How does libtiff 4.5.0 become vulnerable to CVE-2023-26966?
libtiff 4.5.0 becomes vulnerable to CVE-2023-26966 when it reads a corrupted little-endian TIFF file and specifies the output to be big-endian.
What is the severity of CVE-2023-26966?
The severity of CVE-2023-26966 is medium, with a severity value of 5.5.
Which software versions are affected by CVE-2023-26966?
The affected software versions include libtiff 4.5.0 and earlier versions up to 4.5.0-6.
How can I mitigate CVE-2023-26966?
To mitigate CVE-2023-26966, update to a patched version of libtiff, such as 4.5.1 or later.
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