Improper input validation in Squid-Cache Squid

CVE-2016-2571

http.cc in Squid 3.x before 3.5.15 and 4.x before 4.0.7 proceeds with the storage of certain data after a response-parsing failure, which allows remote HTTP servers to cause a denial of service (assertion failure and daemon exit) via a malformed response.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.093 (94.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2016-2571?
CVE-2016-2571 is a high-severity vulnerability in Squid-Cache Squid, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2016-02-27.
How severe is CVE-2016-2571?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2016-2571 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.