Medium 6.5Published Jul 12, 2023

CVE-2023-3618A flaw was found in libtiff.

Updated under an hour ago (Nov 2, 2026, 12:23 AM ET)

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It affects libtiff and 2 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Start free and add your stackFree account, 3 products Every CVE for libtiff Exploited in the last 30 days

A flaw was found in libtiff. A specially crafted tiff file can lead to a segmentation fault due to a buffer overflow in the Fax3Encode function in libtiff/tif_fax3.c, resulting in a denial of service.

CVSS: 6.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-120
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Jun 17, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

libtiff libtiff libtiff:libtiff	before 4.5.1	NVD
debian debian_linux debian:debian_linux	10.0	NVD
redhat enterprise_linux redhat:enterprise_linux	8.0; 9.0	NVD

References

References

https://access.redhat.com/security/cve/CVE-2023-3618	third-party-advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2215865	issue-tracking, third-party-advisory
https://lists.debian.org/debian-lts-announce/2023/07/msg00034.html	mailing-list, third-party-advisory
https://security.netapp.com/advisory/ntap-20230824-0012/
https://support.apple.com/kb/HT214036
https://support.apple.com/kb/HT214037
https://support.apple.com/kb/HT214038
https://lists.debian.org/debian-lts-announce/2025/01/msg00019.html

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.