CVE-2015-5722

CVE-2015-5722 is a high-severity vulnerability in Isc Bind with a CVSS 2.0 base score of 7.8. Its EPSS exploit-prediction score of 34% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-20.

Key facts

Description

buffer.c in named in ISC BIND 9.x before 9.9.7-P3 and 9.10.x before 9.10.2-P4 allows remote attackers to cause a denial of service (assertion failure and daemon exit) by creating a zone containing a malformed DNSSEC key and issuing a query for a name in that zone.

Frequently asked questions

What is CVE-2015-5722?
buffer.c in named in ISC BIND 9.x before 9.9.7-P3 and 9.10.x before 9.10.2-P4 allows remote attackers to cause a denial of service (assertion failure and daemon exit) by creating a zone containing a malformed DNSSEC key and issuing a query for a name in that zone.
How severe is CVE-2015-5722?
CVE-2015-5722 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2015-5722 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 34% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-5722?
CVE-2015-5722 primarily affects Isc Bind. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-5722?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2015-5722 published?
CVE-2015-5722 was published on 2015-09-05 and last updated on 2026-06-17.

References

Affected products (3)

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