Vulnerability · Published Jun 29, 2023 · Assigned by mitre
CVE-2023-26966
Medium 5.5
In plain English
A medium-severity security flaw in the libtiff package (AlmaLinux). Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 36% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.4%top 63.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
libtiff 4.5.0 is vulnerable to Buffer Overflow in uv_encode() when libtiff reads a corrupted little-endian TIFF file and specifies the output to be big-endian.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:9 | libtiff | 4.4.0-10.el9 | ALSA-2023:6575 |
| AlmaLinux:9 | libtiff-devel | 4.4.0-10.el9 | ALSA-2023:6575 |
| AlmaLinux:9 | libtiff-tools | 4.4.0-10.el9 | ALSA-2023:6575 |
| Debian:12 | tiff | 4.5.0-6+deb12u2 | DEBIAN-CVE-2023-26966 |
| Debian:13 | tiff | 4.5.1~rc3-1 | DEBIAN-CVE-2023-26966 |
| Debian:14 | tiff | 4.5.1~rc3-1 | DEBIAN-CVE-2023-26966 |
| Ubuntu:22.04:LTS | tiff | 4.3.0-6ubuntu0.5 | USN-6290-1 |
| Ubuntu:22.04:LTS | tiff | 4.3.0-6ubuntu0.5 | UBUNTU-CVE-2023-26966 |