Vulnerability · Published Aug 22, 2023 · Assigned by mitre
CVE-2020-18768
Medium 5.5
In plain English
A medium-severity security flaw in the tiff package (Debian). Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 20% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.3%top 79.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | tiff | 4.0.10+git190814-1 | DEBIAN-CVE-2020-18768 |
| Debian:13 | tiff | 4.0.10+git190814-1 | DEBIAN-CVE-2020-18768 |
| Debian:14 | tiff | 4.0.10+git190814-1 | DEBIAN-CVE-2020-18768 |
| Ubuntu:22.04:LTS | tiff | 4.3.0-6ubuntu0.6 | UBUNTU-CVE-2020-18768 |