CVE-2017-7861
CVE-2017-7861 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
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 3% (85th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Grpc
- Published:
- Last modified:
Description
Google gRPC before 2017-02-22 has an out-of-bounds write related to the gpr_free function in core/lib/support/alloc.c.
Frequently asked questions
- What is CVE-2017-7861?
- Google gRPC before 2017-02-22 has an out-of-bounds write related to the gpr_free function in core/lib/support/alloc.c.
- How severe is CVE-2017-7861?
- CVE-2017-7861 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-2017-7861 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2017-7861?
- CVE-2017-7861 affects Grpc. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2017-7861?
- 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-2017-7861 published?
- CVE-2017-7861 was published on 2017-04-14 and last updated on 2026-06-17.
References
- http://www.securityfocus.com/bid/97694
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=655
- https://github.com/grpc/grpc/pull/9833
Affected products (1)
- cpe:2.3:a:grpc:grpc:*:*:*:*:*:*:*:*
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