Medium 5.5Published Jun 30, 2023

CVE-2023-2908A null pointer dereference issue was found in Libtiff's tif_dir.c file.

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

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No exploitation reported and no EPSS estimate yet.

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A null pointer dereference issue was found in Libtiff's tif_dir.c file. This issue may allow an attacker to pass a crafted TIFF image file to the tiffcp utility which triggers a runtime error that causes undefined behavior. This will result in an application crash, eventually leading to a denial of service.

CVSS: 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-476
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	through 4.5.0	NVD

References

References

https://access.redhat.com/security/cve/CVE-2023-2908	third-party-advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2218830	issue-tracking, third-party-advisory
https://gitlab.com/libtiff/libtiff/-/commit/9bd48f0dbd64fb94dc2b5b05238fde0bfdd4ff3f	patch, vendor-advisory
https://gitlab.com/libtiff/libtiff/-/merge_requests/479	exploit, vendor-advisory
https://lists.debian.org/debian-lts-announce/2023/07/msg00034.html	third-party-advisory
https://security.netapp.com/advisory/ntap-20230731-0004/	third-party-advisory
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.