What’s Vulnerable › Vulnerabilities

CVE-2023-26966

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-06-29 · updated 2026-06-17
• Weakness: CWE-120

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.

Affected products

• libtiff: 4.5.0

References

• 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://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://lists.debian.org/debian-lts-announce/2025/01/msg00019.html

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