CVE-2023-2908

Libtiff: null pointer dereference in tif_dir.c

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.

Affected

Red Hat · Fedora · Libtiff · Red Hat Enterprise Linux 6 · Red Hat Enterprise Linux 7 · Red Hat Enterprise Linux 8 · Red Hat Enterprise Linux 9

CVSS v3.1 NVD

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

EPSS

0.42% chance of exploitation in the next 30 days, 35th percentile

Published

2023-06-30

Updated

2025-11-03

Proof-of-concept exploits (1)

• https://gitlab.com/libtiff/libtiff/-/merge_requests/479

Security advisories

• https://gitlab.com/libtiff/libtiff/-/commit/9bd48f0dbd64fb94dc2b5b05238fde0bfdd4ff3f
• https://access.redhat.com/security/cve/CVE-2023-2908
• https://bugzilla.redhat.com/show_bug.cgi?id=2218830
• https://lists.debian.org/debian-lts-announce/2023/07/msg00034.html
• https://security.netapp.com/advisory/ntap-20230731-0004

References

• CVE Record
• NVD entry