CVE-2017-9454

CVE-2017-9454 is a high-severity vulnerability in Resiprocate with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.

Key facts

Description

Buffer overflow in the ares_parse_a_reply function in the embedded ares library in ReSIProcate before 1.12.0 allows remote attackers to cause a denial of service (out-of-bounds-read) via a crafted DNS response.

Frequently asked questions

What is CVE-2017-9454?
Buffer overflow in the ares_parse_a_reply function in the embedded ares library in ReSIProcate before 1.12.0 allows remote attackers to cause a denial of service (out-of-bounds-read) via a crafted DNS response.
How severe is CVE-2017-9454?
CVE-2017-9454 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2017-9454 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-9454?
CVE-2017-9454 primarily affects Resiprocate. In total, 27 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-9454?
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-2017-9454 published?
CVE-2017-9454 was published on 2017-08-18 and last updated on 2026-06-17.

References

Affected products (27)

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