CVE-2017-7860

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-17. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 3.0%CVSS: 9.8Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

Google gRPC before 2017-02-22 has an out-of-bounds write caused by a heap-based buffer overflow related to the parse_unix function in core/ext/client_channel/parse_address.c.

CVSS v3
9.8
EG Score
9.8CRITICALmedium confidence
EG Risk
50
EG Risk 50/100CISA SSVC

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation3% × 40%
Automatability30% × 15%
CISA SSVC: Track at low or medium mission impact; Track* or Attend at high (mission-essential systems).
Action: A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
EPSS PROB
3.0%
EPSS %ILE
87th
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track* or Attend at high (mission-essential systems).

A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.

Exploitation none (no KEV listing, exploit record or EPSS ≥ 50%) · Automatable unknown (not published for this CVE) · Technical impact total (CVSS ≥ 9.0). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

April 14, 2017

Last Modified

June 17, 2026

Advisory Details (3)

Auto-updated Oct 5, 2026
Patch available. Sources: github_pr.
github_pr Patch Available

Fixed Heap-buffer-overflow in parse_unix via clusterfuzz

Patch available: grpc/grpc v1.72.2 (PR #9833 merged 2017-02-28)

https://github.com/grpc/grpc/pull/9833
generic
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=661
generic

CVE-2017-7860 - PSIRT.COM

http://www.securityfocus.com/bid/97695

Affected Packages

(4 across 4 ecosystems)
Debian:11(1)
PackageVulnerable rangeFix by version rangeDependents
grpc—
  • every version up to 1.2.5-1+nmu0: fixed in 1.2.5-1+nmu0
—
Debian:12(1)
PackageVulnerable rangeFix by version rangeDependents
grpc—
  • every version up to 1.2.5-1+nmu0: fixed in 1.2.5-1+nmu0
—
Debian:13(1)
PackageVulnerable rangeFix by version rangeDependents
grpc—
  • every version up to 1.2.5-1+nmu0: fixed in 1.2.5-1+nmu0
—
Debian:14(1)
PackageVulnerable rangeFix by version rangeDependents
grpc—
  • every version up to 1.2.5-1+nmu0: fixed in 1.2.5-1+nmu0
—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 8× in last 7d / 28× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 196 total refreshes for this CVE.

  1. 2026-10-10 19:55 UTCEPSS rescore
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  40. 2026-07-25 17:30 UTCOSV refresh
  41. 2026-07-23 14:15 UTCEPSS rescore
  42. 2026-07-23 01:30 UTCEG score recompute
  43. 2026-07-22 22:10 UTCEG score recompute
  44. 2026-07-22 14:04 UTCEPSS rescore
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  75. 2026-07-01 15:03 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2017-7860?
CVE-2017-7860 is a critical vulnerability published on April 14, 2017. Google gRPC before 2017-02-22 has an out-of-bounds write caused by a heap-based buffer overflow related to the parseunix function in core/ext/clientchannel/parse_address.c.
When was CVE-2017-7860 disclosed?
CVE-2017-7860 was first published on April 14, 2017, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2017-7860 actively exploited?
CVE-2017-7860 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 3.0% probability of exploitation in the next 30 days (87th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2017-7860?
CVE-2017-7860 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2017-7860?
A fix for CVE-2017-7860 is available: update to the fixed version the vendor names in its advisory.

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