CVE-2018-18342
Execution of user supplied Javascript during object deserialization can update object length leading to an out of bounds write in V8 in Google Chrome prior to 71.0.3578.80 allowed a remote attacker to execute arbitrary code inside a sandbox via a…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.65%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Execution of user supplied Javascript during object deserialization can update object length leading to an out of bounds write in V8 in Google Chrome prior to 71.0.3578.80 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.
- CVSS 3.0
- 8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 2.65% probability · 86th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- google/chrome · redhat/enterprise linux desktop · redhat/enterprise linux server · redhat/enterprise linux workstation · debian/debian linux
- Source
- chrome-cve-admin@google.com
EPSS 2.7% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.securityfocus.com/bid/106084
- https://access.redhat.com/errata/RHSA-2018:3803
- https://chromereleases.googleblog.com/2018/12/stable-channel-update-for-desktop.html
- https://crbug.com/906313
- https://security.gentoo.org/glsa/201908-18
- https://www.debian.org/security/2018/dsa-4352
- http://www.securityfocus.com/bid/106084
- https://access.redhat.com/errata/RHSA-2018:3803
- https://chromereleases.googleblog.com/2018/12/stable-channel-update-for-desktop.html
- https://crbug.com/906313
- https://security.gentoo.org/glsa/201908-18
- https://www.debian.org/security/2018/dsa-4352
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.