What’s Vulnerable › Vulnerabilities
CVE-2023-2908: Libtiff: null pointer dereference in tif_dir.c
- Severity: medium (CVSS 5.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2023-06-30 · updated 2026-06-17
- Weakness: CWE-476
Description
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 products
- libtiff: through 4.5.0
References
- https://access.redhat.com/security/cve/CVE-2023-2908
- https://bugzilla.redhat.com/show_bug.cgi?id=2218830
- https://gitlab.com/libtiff/libtiff/-/commit/9bd48f0dbd64fb94dc2b5b05238fde0bfdd4ff3f
- https://gitlab.com/libtiff/libtiff/-/merge_requests/479
- https://lists.debian.org/debian-lts-announce/2023/07/msg00034.html
- https://security.netapp.com/advisory/ntap-20230731-0004/
- https://access.redhat.com/security/cve/CVE-2023-2908
- https://bugzilla.redhat.com/show_bug.cgi?id=2218830
- https://gitlab.com/libtiff/libtiff/-/commit/9bd48f0dbd64fb94dc2b5b05238fde0bfdd4ff3f
- https://gitlab.com/libtiff/libtiff/-/merge_requests/479
- https://lists.debian.org/debian-lts-announce/2023/07/msg00034.html
- https://lists.debian.org/debian-lts-announce/2025/01/msg00019.html
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