Is CVE-2011-5268 in the CISA KEV catalog?

No. CVE-2011-5268 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2011-5268?

CVE-2011-5268 has a CVSS v2 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2011-5268?

CVE-2011-5268 has an EPSS score of 1.50% (71th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2011-5268?

Upgrade bip on debian 11 to 0.8.9-1 or later.

CVE & CISA-KEV Catalog

CVE-2011-5268

MEDIUMEPSS 71th pctl

4.3

CVSS v2

NVD

Description

connection.c in Bip before 0.8.9 does not properly close sockets, which allows remote attackers to cause a denial of service (file descriptor consumption and crash) via multiple failed SSL handshakes, a different vulnerability than CVE-2013-4550. NOTE: this issue was SPLIT from CVE-2013-4550 because it is a different type of issue.

CWE-310Cryptographic Issues

How to fix

Remediation Available

bipDebian

Fixed in:0.8.9-1CVE-2011-5268

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

1.50%probability of exploitation in 30 days

71stpercentile

Elevated risk: more likely to be exploited than 71% of all known CVEs.

References

Patch1

projects.duckcorp.org

Other references5

Related Vulnerabilities

Other CWE-310 (Cryptographic Issues) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-3566	Low	3.4	100%	-	Fix
CVE-2015-4000	Low	3.7	100%	-	Fix
CVE-2015-0204	Medium	4.3	99%	-	Fix
CVE-2016-2107	Medium	5.9	89%	-	Fix
CVE-2016-0800	Medium	5.9	82%	-	Fix
CVE-2014-8684	Critical	9.8	72%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.