CVE-2013-4115
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.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 43.9%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 2.0
- 7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
- EPSS
- 43.90% probability · 99th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- opensuse/opensuse · squid-cache/squid
- Source
- secalert@redhat.com
EPSS 43.9% since 4 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- 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.htmlVendor Advisory
- http://lists.opensuse.org/opensuse-updates/2013-09/msg00025.htmlVendor Advisory
- http://lists.opensuse.org/opensuse-updates/2013-09/msg00030.htmlVendor Advisory
- http://lists.opensuse.org/opensuse-updates/2013-09/msg00032.htmlVendor Advisory
- http://lists.opensuse.org/opensuse-updates/2013-09/msg00033.htmlVendor Advisory
- http://secunia.com/advisories/54076Vendor Advisory
- http://secunia.com/advisories/54834Vendor Advisory
- http://secunia.com/advisories/54839Vendor 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.txtVendor Advisory
- http://www.squid-cache.org/Versions/v3/3.0/changesets/squid-3.0-9200.patchPatch
- http://www.squid-cache.org/Versions/v3/3.1/changesets/squid-3.1-10487.patchPatch
- http://www.squid-cache.org/Versions/v3/3.2/changesets/squid-3.2-11823.patchPatch
- http://www.squid-cache.org/Versions/v3/3.3/changesets/squid-3.3-12587.patchPatch
- 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.htmlVendor Advisory
- http://lists.opensuse.org/opensuse-updates/2013-09/msg00025.htmlVendor Advisory
- http://lists.opensuse.org/opensuse-updates/2013-09/msg00030.htmlVendor Advisory
- http://lists.opensuse.org/opensuse-updates/2013-09/msg00032.htmlVendor Advisory
- http://lists.opensuse.org/opensuse-updates/2013-09/msg00033.htmlVendor Advisory
- http://secunia.com/advisories/54076Vendor Advisory
- http://secunia.com/advisories/54834Vendor Advisory
- http://secunia.com/advisories/54839Vendor Advisory
- http://www.openwall.com/lists/oss-security/2013/07/11/8
- http://www.securityfocus.com/bid/61111
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.