CVE-2019-11838 — Out-of-bounds Write in F5 NJS

CWE-787 — Out-of-bounds Write3 documents3 sources
Severity
9.8CRITICALNVD
EPSS
0.4%
top 39.94%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
F5 NJS
Timeline
PublishedMay 9
Latest updateMay 24

Description

njs through 0.3.1, used in NGINX, has a heap-based buffer overflow in Array.prototype.splice after a resize, related to njs_array_prototype_splice in njs/njs_array.c, because of njs_array_expand size mishandling.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages1 packages

▶NVDf5/njs0.3.1

🔴Vulnerability Details

2
GHSA
GHSA-5cqj-x29q-49hf: njs through 0↗2022-05-24
▶
CVEList
CVE-2019-11838: njs through 0↗2019-05-09
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CVE-2019-11838 — Out-of-bounds Write in F5 NJS | cvebase