CVE-2023-26966

Public Exploit

Description

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.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.03%
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://gitlab.com/libtiff/libtiff/-/issues/530 patch issue tracking exploit
https://gitlab.com/libtiff/libtiff/-/merge_requests/473 patch
https://lists.debian.org/debian-lts-announce/2023/07/msg00034.html mailing list

Frequently Asked Questions

What is the severity of CVE-2023-26966?
CVE-2023-26966 has been scored as a medium severity vulnerability.
How to fix CVE-2023-26966?
To fix CVE-2023-26966, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-26966 being actively exploited in the wild?
It is possible that CVE-2023-26966 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.