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CVE-2017-7860

32
FAUCET Score

CVE-2017-7860 is a critical heap-based buffer overflow vulnerability in Google gRPC versions prior to 2017-02-22, specifically within the parse_unix function. This flaw allows for an out-of-bounds write, potentially leading to remote code execution or denial of service. With a CVSS score of 9.8, it is easily exploitable over the network with low complexity and no user interaction, enabling full compromise of confidentiality, integrity, and availability. Despite its high severity, there is currently no public exploit code available, nor is there evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.1.2CPE matchmatch criteria
cpe:2.3:a:grpc:grpc:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
3.13%
Probability of exploitation in next 30 days
EPSS Percentile
86.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0313 is in the 78th percentile among its peer group of 36,829 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

bugs.chromium.org / p/oss-fuzz/issues/detail
Third Party AdvisoryVDB Entry
github.com / grpc/grpc/pull/9833
PatchThird Party Advisory
securityfocus.com / bid/97695
Third Party AdvisoryVDB Entry