CVE-2017-9431

CVE-2017-9431 is a critical-severity vulnerability in Grpc with a CVSS 3.x base score of 9.8. 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-787.

Key facts

Description

Google gRPC before 2017-04-05 has an out-of-bounds write caused by a heap-based buffer overflow related to core/lib/iomgr/error.c.

Frequently asked questions

What is CVE-2017-9431?
Google gRPC before 2017-04-05 has an out-of-bounds write caused by a heap-based buffer overflow related to core/lib/iomgr/error.c.
How severe is CVE-2017-9431?
CVE-2017-9431 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-9431 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-9431?
CVE-2017-9431 affects Grpc. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-9431?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2017-9431 published?
CVE-2017-9431 was published on 2017-06-05 and last updated on 2026-06-17.

References

Affected products (1)

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