CVE-2015-0881 Other in n/a
Remote attackers can inject HTTP headers and split responses in Squid proxy servers, potentially manipulating client interactions.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2015-0881?
CVE-2015-0881 is a medium-severity vulnerability in Squid-Cache Squid, published on 20 Feb 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
CRLF injection vulnerability in Squid before 3.1.1 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via a crafted header in a response.
Which versions are affected by CVE-2015-0881?
It affects 1 product.
Products include Squid-Cache Squid.
How do I fix CVE-2015-0881?
Upgrade to a fixed version.
Is CVE-2015-0881 being exploited?
There is no known exploitation of CVE-2015-0881 in the wild and no public exploit code.
Other vulnerabilities in Squid-Cache Squid
- CVE-2025-62168 Squid vulnerable to information disclosure via authentication credential leakage in error handling
- CVE-2025-54574 Squid's URN Handling can lead to Buffer Overflow
- CVE-2026-33526 Squid vulnerable to Denial of Service in ICP Request handling
- CVE-2026-32748 Squid has Denial of Service in ICP Response handling
- CVE-2023-50269 SQUID-2023:10 Denial of Service in HTTP Request parsing
Sources
Also known as DEBIAN-CVE-2015-0881, GHSA-wp8h-3f2r-jqrj.