CVE-2020-14163 json
An issue was discovered in ecma/operations/ecma-container-object.c in JerryScript 2.2.0.
published 2020-06-15 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-6320
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.3%
- EPSS 1.3% chance of exploitation in 30 days, percentile 70%
- public exploits
- 0
- none known
Summary
An issue was discovered in ecma/operations/ecma-container-object.c in JerryScript 2.2.0. Operations with key/value pairs did not consider the case where garbage collection is triggered after the key operation but before the value operation, as demonstrated by improper read access to memory in ecma_gc_set_object_visited in ecma/base/ecma-gc.c.
Patch / fix
Exploit prediction
1.28% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
Classification
- Weakness
-
- CWE-125 Out-of-bounds Read
References
-
github.com
/jerryscript-project/jerryscript/commit/c2b662170245a16f46ce02eae68815c325d99821
patch, vendor-advisory
-
github.com
/jerryscript-project/jerryscript/issues/3804
third-party-advisory
Sources
- CVE List CVE-2020-14163
- NVD CVE-2020-14163
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.