CVE-2023-30774

Name: CVE-2023-30774
Creator: NVD / NIST
Published: 2023-05-19T15:15:08.923+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.51%

Last modified Jun 17, 2026

CVE-2023-30774 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. A vulnerability was found in the libtiff library. This flaw causes a heap buffer overflow issue via the TIFFTAG_INKNAMES and TIFFTAG_NUMBEROFINKS values.. EPSS estimates a 0.51% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS Probability

0.51%

39.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Libtiff	Libtiff	>= 3.5.1, <= 4.4.0
Apple	Macos	< 14.1

References

http://seclists.org/fulldisclosure/2023/Oct/24Mailing List, Third Party Advisory
https://access.redhat.com/security/cve/CVE-2023-30774Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2187139Issue Tracking, Third Party Advisory
https://gitlab.com/libtiff/libtiff/-/issues/463Exploit, Third Party Advisory
https://security.netapp.com/advisory/ntap-20230703-0002/Third Party Advisory
https://support.apple.com/kb/HT213984Release Notes, Third Party Advisory
http://seclists.org/fulldisclosure/2023/Oct/24Mailing List, Third Party Advisory
https://access.redhat.com/security/cve/CVE-2023-30774Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2187139Issue Tracking, Third Party Advisory
https://gitlab.com/libtiff/libtiff/-/issues/463Exploit, Third Party Advisory
https://security.netapp.com/advisory/ntap-20230703-0002/Third Party Advisory
https://support.apple.com/kb/HT213984Release Notes, Third Party Advisory

Timeline

Published: May 19, 2023
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2023-30774?

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

How severe is CVE-2023-30774?

CVE-2023-30774 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.51% probability of exploitation in the next 30 days.

How do I fix CVE-2023-30774?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-30774?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST