#VU51245 Out-of-bounds read in privoxy - CVE-2021-20276
Published: March 6, 2021
Vulnerability identifier: #VU51245
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-20276
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
privoxy
privoxy
Software vendor:
privoxy
privoxy
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition when processing patterns passed to pcre_compile() function. A remote attacker can pass specially crafted data to the application, trigger out-of-bounds read error and perform a denial of service (DoS) attack.
Remediation
Install updates from vendor's website.