Buffer overflow in Libtiff

CVE-2023-0800

LibTIFF 4.4.0 has an out-of-bounds write in tiffcrop in tools/tiffcrop.c:3502, allowing attackers to cause a denial-of-service via a crafted tiff file. For users that compile libtiff from sources, the fix is available with commit 33aee127.

Vulnerability class: Buffer Overflow

EPSS: 0.004 (34.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-0800?
CVE-2023-0800 is a medium-severity vulnerability in Libtiff, classified under Out-of-bounds Write. CVSS score: 6.8/10. Published 2023-02-13.
How severe is CVE-2023-0800?
Medium severity. CVSS v3 base score is 6.8 out of 10.
Is CVE-2023-0800 known to be exploited?
4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.