Denial of service in Zlib - CVE-2016-9843

 

Denial of service in Zlib - CVE-2016-9843

Published: May 24, 2017 / Updated: February 27, 2025


Vulnerability identifier: #VU6666
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2016-9843
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: GNU
Affected software:
Zlib

Detailed vulnerability description

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists in zlib due to big-endian out-of-bounds pointer. A remote attacker can send a specially crafted document, trick the victim into opening it, and cause the application to crash.

Successful exploitation of the vulnerability results in denial of service.


How to mitigate CVE-2016-9843

Install update from vendor's website.

Sources