CVE-2011-3205
CVE-2011-3205 is a medium-severity vulnerability in Squid-cache Squid with a CVSS 2.0 base score of 6.8. Its EPSS exploit-prediction score of 27% places it in the 98th percentile, indicating an elevated likelihood of exploitation.
Key facts
- Severity: Medium (CVSS 2.0 base score 6.8)
- EPSS exploit prediction: 27% (98th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Squid-cache Squid
- Published:
- Last modified:
Description
Buffer overflow in the gopherToHTML function in gopher.cc in the Gopher reply parser in Squid 3.0 before 3.0.STABLE26, 3.1 before 3.1.15, and 3.2 before 3.2.0.11 allows remote Gopher servers to cause a denial of service (memory corruption and daemon restart) or possibly have unspecified other impact via a long line in a response. NOTE: This issue exists because of a CVE-2005-0094 regression.
Frequently asked questions
- What is CVE-2011-3205?
- Buffer overflow in the gopherToHTML function in gopher.cc in the Gopher reply parser in Squid 3.0 before 3.0.STABLE26, 3.1 before 3.1.15, and 3.2 before 3.2.0.11 allows remote Gopher servers to cause a denial of service (memory corruption and daemon restart) or possibly have unspecified other impact via a long line in a response. NOTE: This issue exists because of a CVE-2005-0094 regression.
- How severe is CVE-2011-3205?
- CVE-2011-3205 has a CVSS 2.0 base score of 6.8, rated medium severity.
- Is CVE-2011-3205 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 27% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2011-3205?
- CVE-2011-3205 primarily affects Squid-cache Squid. In total, 71 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2011-3205?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2011-3205 published?
- CVE-2011-3205 was published on 2011-09-06 and last updated on 2026-06-16.
References
- http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065534.html
- http://lists.opensuse.org/opensuse-security-announce/2011-09/msg00012.html
- http://lists.opensuse.org/opensuse-security-announce/2011-09/msg00013.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00010.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00040.html
- http://openwall.com/lists/oss-security/2011/08/29/2
- http://openwall.com/lists/oss-security/2011/08/30/4
- http://openwall.com/lists/oss-security/2011/08/30/8
- http://secunia.com/advisories/45805
- http://secunia.com/advisories/45906
- http://secunia.com/advisories/45920
- http://secunia.com/advisories/45965
- http://secunia.com/advisories/46029
- http://securitytracker.com/id?1025981
- http://www.debian.org/security/2011/dsa-2304
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:150
- http://www.osvdb.org/74847
- http://www.redhat.com/support/errata/RHSA-2011-1293.html
- http://www.securityfocus.com/bid/49356
- http://www.squid-cache.org/Advisories/SQUID-2011_3.txt
- http://www.squid-cache.org/Versions/v2/2.HEAD/changesets/12710.patch
- http://www.squid-cache.org/Versions/v3/3.0/changesets/squid-3.0-9193.patch
- http://www.squid-cache.org/Versions/v3/3.1/changesets/squid-3.1-10363.patch
- http://www.squid-cache.org/Versions/v3/3.2/changesets/squid-3.2-11294.patch
- https://bugzilla.redhat.com/show_bug.cgi?id=734583
Affected products (71)
- cpe:2.3:a:squid-cache:squid:3.0.stable1:*:*:*:*:*:*:*
- cpe:2.3:a:squid-cache:squid:3.0.stable2:*:*:*:*:*:*:*
- cpe:2.3:a:squid-cache:squid:3.0.stable3:*:*:*:*:*:*:*
- cpe:2.3:a:squid-cache:squid:3.0.stable4:*:*:*:*:*:*:*
- cpe:2.3:a:squid-cache:squid:3.0.stable5:*:*:*:*:*:*:*
- cpe:2.3:a:squid-cache:squid:3.0.stable6:*:*:*:*:*:*:*
- cpe:2.3:a:squid-cache:squid:3.0.stable7:*:*:*:*:*:*:*
- cpe:2.3:a:squid-cache:squid:3.0.stable8:*:*:*:*:*:*:*
- cpe:2.3:a:squid-cache:squid:3.0.stable9:*:*:*:*:*:*:*
- cpe:2.3:a:squid-cache:squid:3.0.stable10:*:*:*:*:*:*:*
- cpe:2.3:a:squid-cache:squid:3.0.stable11:*:*:*:*:*:*:*
- cpe:2.3:a:squid-cache:squid:3.0.stable11:rc1:*:*:*:*:*:*
- cpe:2.3:a:squid-cache:squid:3.0.stable12:*:*:*:*:*:*:*
- cpe:2.3:a:squid-cache:squid:3.0.stable13:*:*:*:*:*:*:*
- cpe:2.3:a:squid-cache:squid:3.0.stable14:*:*:*:*:*:*:*
- cpe:2.3:a:squid-cache:squid:3.0.stable15:*:*:*:*:*:*:*
- cpe:2.3:a:squid-cache:squid:3.0.stable16:*:*:*:*:*:*:*
- cpe:2.3:a:squid-cache:squid:3.0.stable16:rc1:*:*:*:*:*:*
- cpe:2.3:a:squid-cache:squid:3.0.stable17:*:*:*:*:*:*:*
- cpe:2.3:a:squid-cache:squid:3.0.stable18:*:*:*:*:*:*:*
- cpe:2.3:a:squid-cache:squid:3.0.stable19:*:*:*:*:*:*:*
- cpe:2.3:a:squid-cache:squid:3.0.stable20:*:*:*:*:*:*:*
- cpe:2.3:a:squid-cache:squid:3.0.stable21:*:*:*:*:*:*:*
- cpe:2.3:a:squid-cache:squid:3.0.stable22:*:*:*:*:*:*:*
- cpe:2.3:a:squid-cache:squid:3.0.stable23:*:*:*:*:*:*:*
- cpe:2.3:a:squid-cache:squid:3.0.stable24:*:*:*:*:*:*:*
- cpe:2.3:a:squid-cache:squid:3.0.stable25:*:*:*:*:*:*:*
- cpe:2.3:a:squid-cache:squid:3.1:*:*:*:*:*:*:*
- cpe:2.3:a:squid-cache:squid:3.1.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:squid-cache:squid:3.1.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:squid-cache:squid:3.1.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:squid-cache:squid:3.1.0.4:*:*:*:*:*:*:*
- cpe:2.3:a:squid-cache:squid:3.1.0.5:*:*:*:*:*:*:*
- cpe:2.3:a:squid-cache:squid:3.1.0.6:*:*:*:*:*:*:*
- cpe:2.3:a:squid-cache:squid:3.1.0.7:*:*:*:*:*:*:*
- cpe:2.3:a:squid-cache:squid:3.1.0.8:*:*:*:*:*:*:*
- cpe:2.3:a:squid-cache:squid:3.1.0.9:*:*:*:*:*:*:*
- cpe:2.3:a:squid-cache:squid:3.1.0.10:*:*:*:*:*:*:*
- cpe:2.3:a:squid-cache:squid:3.1.0.11:*:*:*:*:*:*:*
- cpe:2.3:a:squid-cache:squid:3.1.0.12:*:*:*:*:*:*:*
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