CVE-2023-30774

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-05-19 · updated 2026-06-17
Weakness: CWE-119

Description

A vulnerability was found in the libtiff library. This flaw causes a heap buffer overflow issue via the TIFFTAG_INKNAMES and TIFFTAG_NUMBEROFINKS values.

Affected products

Apple macOS: before 14.1 — fixed in 14.1
libtiff: from 3.5.1 through 4.4.0

How to fix

Upgrade to a fixed version: Apple macOS 14.1. Check the vendor advisory for mitigations.

References

http://seclists.org/fulldisclosure/2023/Oct/24
https://access.redhat.com/security/cve/CVE-2023-30774
https://bugzilla.redhat.com/show_bug.cgi?id=2187139
https://gitlab.com/libtiff/libtiff/-/issues/463
https://security.netapp.com/advisory/ntap-20230703-0002/
https://support.apple.com/kb/HT213984
http://seclists.org/fulldisclosure/2023/Oct/24
https://access.redhat.com/security/cve/CVE-2023-30774
https://bugzilla.redhat.com/show_bug.cgi?id=2187139
https://gitlab.com/libtiff/libtiff/-/issues/463
https://security.netapp.com/advisory/ntap-20230703-0002/
https://support.apple.com/kb/HT213984

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