Staging Environment: Content and features may be unstable or change without notice.
Advisory details: github_osv / GHSA-2wwc-w2gw-4329
Advisory ID github_osv/GHSA-2wwc-w2gw-4329
Aliases CVE-2019-1366
Summary Out-of-bounds write A remote code execution vulnerability exists in the way that the Chakra scripting engine handles objects in memory in Microsoft Edge, aka 'Chakra Scripting Engine Memory Corruption Vulnerability'. This CVE ID is unique from CVE-2019-1307, CVE-2019-1308, CVE-2019-1335.
Status Published
Exploitability 0.5
Weighted Severity 6.8
Risk 3.4
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (1)
CWE-787 Out-of-bounds Write
System Score Found at
cvssv3.1 7.5 https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/03/GHSA-2wwc-w2gw-4329/GHSA-2wwc-w2gw-4329.json
generic_textual HIGH
Reference id Reference type URL
https://github.com/chakra-core/ChakraCore/commit/94181502091b7c22eb86ab1b45ce80bf7ff03aaf
https://github.com/chakra-core/ChakraCore/commit/cc871514deeaeaedb5b757c2ca8cd4ab9abccb5d
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1366
CVE-2019-1366 https://nvd.nist.gov/vuln/detail/CVE-2019-1366
No exploits are available.

No EPSS data available for this advisory.

Patch URL
There are no known patches.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/03/GHSA-2wwc-w2gw-4329/GHSA-2wwc-w2gw-4329.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

There are no SSVC decisions available.