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Vulnerability record · CVE-2013-4115 · published 9 August 2013

CVE-2013-4115: Opensuse memory buffer overflow vulnerability

Opensuse · Opensuse

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.

7.5 CVSS 2.0 High EPSS 44% · top 1.3% CWE-119 · Memory buffer overflow
7.5CVSS 2.0 base score
44%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
36References
16 Jun 2026Last modified by 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.

AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Source: NIST National Vulnerability Database (record CVE-2013-4115), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.