CVE-2018-0939 json
ChakraCore information disclosure vulnerability
published 8y ago modified 4mo ago also GHSA-xgcc-r2f3-rq6p , EUVD-2022-5783
- cvss
- 4.3
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 5.5%
- EPSS 5.5% chance of exploitation in 30 days, percentile 92%
- public exploits
- 0
- none known
Summary
ChakraCore and Microsoft Edge in Windows 10 1703 and 1709 allow information disclosure, due to how the scripting engine handles objects in memory, aka "Scripting Engine Information Disclosure Vulnerability". This CVE ID is unique from CVE-2018-0891.
Patch / fix
- nuget Microsoft.ChakraCore 1.8.2
Is CVE-2018-0939 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
5.50% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 4.3 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:P/I:N/A:N |
| GitHub | 3.0 | 4.3 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| nuget | Microsoft.ChakraCore | <1.8.2 |
1.8.2 |
Affected products
- Microsoft Corporation ChakraCore, Microsoft Edge
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2018-0939
web, patch, vendor-advisory
-
github.com
/chakra-core/ChakraCore/commit/090277e7a5ea1d938777acb92e7b6759936ea974
web
-
securityfocus.com
/bid/103305
vdb-entry, third-party-advisory
-
securitytracker.com
/id/1040507
vdb-entry, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2018-0939
advisory
-
github.com
/chakra-core/ChakraCore
package
-
web.archive.org
/web/20201021051922/http://www.securitytracker.com/id/1040507
web
-
web.archive.org
/web/20210124145017/http://www.securityfocus.com/bid/103305
web
Sources
- CVE List CVE-2018-0939
- GitHub Advisory GHSA-xgcc-r2f3-rq6p
- NVD CVE-2018-0939
Fencer Intel 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.