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CVE-2018-11598

22
FAUCET Score

CVE-2018-11598 is a denial-of-service and potential information disclosure vulnerability affecting Espruino versions prior to 1.99. It stems from a buffer overflow or out-of-bounds read during syntax parsing of specific for loops in jsparse.c, triggered by user-crafted input files. The vulnerability has a CVSS score of 7.1 (High), indicating a local attack vector with low complexity, requiring user interaction, and leading to high confidentiality and availability impacts. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.99CPE matchmatch criteria
cpe:2.3:o:espruino:espruino:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.1HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.2
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.29%
Probability of exploitation in next 30 days
EPSS Percentile
67.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0129 is in the 65th percentile among its peer group of 11,616 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 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

github.com / espruino/Espruino/commit/bf4416ab9129ee3afd56739ea4e3cd0da5484b6b
PatchVendor Advisory
github.com / espruino/Espruino/files/2025956/test_0.txt
ExploitVendor Advisory
github.com / espruino/Espruino/files/2025963/test_1.txt
ExploitVendor Advisory
github.com / espruino/Espruino/files/2025968/test_2.txt
ExploitVendor Advisory
github.com / espruino/Espruino/issues/1437
Issue TrackingVendor Advisory