CVE-2016-2571

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

9.28% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 95.1% of scored records. A rank, not a probability.

NVD base score

7.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2016-02-27 02:00Z10 YR AGO

Last updated

2024-08-05 23:32Z2 YR AGO

Reserved

2016-02-26

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-20Improper Input ValidationClass
• CWE-228Improper Handling of Syntactically Invalid StructureClass

Data version

5.1

Document digest

d82adfb2091177a21345b652b98721d1193e8a4d505982ca014913f11e81ec23

• usn.ubuntu.comUSN-3557-1https://usn.ubuntu.com/3557-1/vendor-advisoryx_refsource_UBUNTU
• security.gentoo.orgGLSA-201607-01https://security.gentoo.org/glsa/201607-01vendor-advisoryx_refsource_GENTOO
• www.squid-cache.orghttp://www.squid-cache.org/Versions/v3/3.5/changesets/squid-3.5-13990.patchx_refsource_CONFIRM
• www.squid-cache.orghttp://www.squid-cache.org/Advisories/SQUID-2016_2.txtx_refsource_CONFIRM
• lists.opensuse.orgSUSE-SU-2016:1996http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00010.htmlvendor-advisoryx_refsource_SUSE
• www.debian.orgDSA-3522http://www.debian.org/security/2016/dsa-3522vendor-advisoryx_refsource_DEBIAN
• rhn.redhat.comRHSA-2016:2600http://rhn.redhat.com/errata/RHSA-2016-2600.htmlvendor-advisoryx_refsource_REDHAT
• www.squid-cache.orghttp://www.squid-cache.org/Versions/v4/changesets/squid-4-14548.patchx_refsource_CONFIRM
• lists.opensuse.orgopenSUSE-SU-2016:2081http://lists.opensuse.org/opensuse-updates/2016-08/msg00069.htmlvendor-advisoryx_refsource_SUSE
• www.openwall.com[oss-security] 20160226 Re: CVE request: Squid HTTP Caching Proxy multiple denial of service issueshttp://www.openwall.com/lists/oss-security/2016/02/26/2mailing-listx_refsource_MLIST
• lists.opensuse.orgSUSE-SU-2016:2089http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00040.htmlvendor-advisoryx_refsource_SUSE
• www.securitytracker.com1035101http://www.securitytracker.com/id/1035101vdb-entryx_refsource_SECTRACK
• www.ubuntu.comUSN-2921-1http://www.ubuntu.com/usn/USN-2921-1vendor-advisoryx_refsource_UBUNTU