CVE-2018-11593 json
Espruino before 1.99 allows attackers to cause a denial of service (application crash) and potential Information Disclosure with a user cra…
published 2018-05-31 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-3618
- cvss
- 7.1
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.2%
- EPSS 1.2% chance of exploitation in 30 days, percentile 69%
- public exploits
- 0
- none known
Summary
Espruino before 1.99 allows attackers to cause a denial of service (application crash) and potential Information Disclosure with a user crafted input file via a Buffer Overflow during syntax parsing because strncpy is misused in jslex.c.
Patch / fix
Exploit prediction
1.23% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/espruino/Espruino/files/2019228/eh_0.txt referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 7.1 | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H |
| NVD | 2.0 | 5.8 | AV:N/AC:M/Au:N/C:P/I:N/A:P |
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
github.com
/espruino/Espruino/commit/bed844f109b6c222816740555068de2e101e8018
patch, vendor-advisory
-
github.com
/espruino/Espruino/files/2019228/eh_0.txt
exploit, vendor-advisory
-
github.com
/espruino/Espruino/issues/1426
issue-tracking, vendor-advisory
Sources
- CVE List CVE-2018-11593
- NVD CVE-2018-11593
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.