CVE-2016-2569

critical-risk
Published 2016-02-27

Squid 3.x before 3.5.15 and 4.x before 4.0.7 does not properly append data to String objects, which allows remote servers to cause a denial of service (assertion failure and daemon exit) via a long string, as demonstrated by a crafted HTTP Vary header.

Do I need to act?

!
70.3% chance of exploitation in next 30 days
EPSS score — higher than 30% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Vendors

77
/ 100
critical-risk
Severity 26/34 · High
Exploitability 19/34 · Moderate
Exposure 32/34 · Critical