What is CVE-2020-18768?

CVE-2020-18768 is a medium-severity vulnerability in Libtiff, classified under Out-of-bounds Write. CVSS score: 5.5/10. Published 2023-08-22.

How severe is CVE-2020-18768?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Buffer overflow in Libtiff

CVE-2020-18768

There exists one heap buffer overflow in _TIFFmemcpy in tif_unix.c in libtiff 4.0.10, which allows an attacker to cause a denial-of-service through a crafted tiff file.

Vulnerability class: Buffer Overflow

EPSS: 0.003 (17.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Libtiff — versions 4.0.10
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

cve@mitre.org (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2020-18768?: CVE-2020-18768 is a medium-severity vulnerability in Libtiff, classified under Out-of-bounds Write. CVSS score: 5.5/10. Published 2023-08-22.
How severe is CVE-2020-18768?: Medium severity. CVSS v3 base score is 5.5 out of 10.