CVE-2013-4115

N/A Unknown
Published: August 09, 2013 Modified: April 29, 2026
View on NVD

Description

Buffer overflow in the idnsALookup function in dns_internal.cc in Squid 3.2 through 3.2.11 and 3.3 through 3.3.6 allows remote attackers to cause a denial of service (memory corruption and server termination) via a long name in a DNS lookup request.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00010.html
Source: secalert@redhat.com
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00040.html
Source: secalert@redhat.com
http://lists.opensuse.org/opensuse-updates/2013-09/msg00024.html
Source: secalert@redhat.com
Vendor Advisory
http://lists.opensuse.org/opensuse-updates/2013-09/msg00025.html
Source: secalert@redhat.com
Vendor Advisory
http://lists.opensuse.org/opensuse-updates/2013-09/msg00030.html
Source: secalert@redhat.com
Vendor Advisory
http://lists.opensuse.org/opensuse-updates/2013-09/msg00032.html
Source: secalert@redhat.com
Vendor Advisory
http://lists.opensuse.org/opensuse-updates/2013-09/msg00033.html
Source: secalert@redhat.com
Vendor Advisory
http://secunia.com/advisories/54076
Source: secalert@redhat.com
Vendor Advisory
http://secunia.com/advisories/54834
Source: secalert@redhat.com
Vendor Advisory
http://secunia.com/advisories/54839
Source: secalert@redhat.com
Vendor Advisory
http://www.openwall.com/lists/oss-security/2013/07/11/8
Source: secalert@redhat.com
http://www.securityfocus.com/bid/61111
Source: secalert@redhat.com
http://www.squid-cache.org/Advisories/SQUID-2013_2.txt
Source: secalert@redhat.com
Vendor Advisory
http://www.squid-cache.org/Versions/v3/3.0/changesets/squid-3.0-9200.patch
Source: secalert@redhat.com
Patch
http://www.squid-cache.org/Versions/v3/3.1/changesets/squid-3.1-10487.patch
Source: secalert@redhat.com
Patch
http://www.squid-cache.org/Versions/v3/3.2/changesets/squid-3.2-11823.patch
Source: secalert@redhat.com
Patch
http://www.squid-cache.org/Versions/v3/3.3/changesets/squid-3.3-12587.patch
Source: secalert@redhat.com
Patch
https://exchange.xforce.ibmcloud.com/vulnerabilities/85564
Source: secalert@redhat.com
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00010.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00040.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://lists.opensuse.org/opensuse-updates/2013-09/msg00024.html
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://lists.opensuse.org/opensuse-updates/2013-09/msg00025.html
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://lists.opensuse.org/opensuse-updates/2013-09/msg00030.html
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://lists.opensuse.org/opensuse-updates/2013-09/msg00032.html
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://lists.opensuse.org/opensuse-updates/2013-09/msg00033.html
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://secunia.com/advisories/54076
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://secunia.com/advisories/54834
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://secunia.com/advisories/54839
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://www.openwall.com/lists/oss-security/2013/07/11/8
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/bid/61111
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.squid-cache.org/Advisories/SQUID-2013_2.txt
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://www.squid-cache.org/Versions/v3/3.0/changesets/squid-3.0-9200.patch
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
http://www.squid-cache.org/Versions/v3/3.1/changesets/squid-3.1-10487.patch
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
http://www.squid-cache.org/Versions/v3/3.2/changesets/squid-3.2-11823.patch
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
http://www.squid-cache.org/Versions/v3/3.3/changesets/squid-3.3-12587.patch
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
https://exchange.xforce.ibmcloud.com/vulnerabilities/85564
Source: af854a3a-2127-422b-91ae-364da2661108

36 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
75.1%
99th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-119

Affected Vendors

opensuse squid-cache

Related CVEs

CVE-2026-8108 7.8
CVE-2026-5371 7.1
CVE-2026-44548 8.1
CVE-2026-44547 9.6
CVE-2026-44352 N/A