CVE-2018-6065
Integer overflow in computing the required allocation size when instantiating a new javascript object in V8 in Google Chrome prior to…
- 8.8HighCVSS base score
- 60.3%Exploitation in 30 daysEPSS · top 0.9% of all CVEs
- YesKnown exploitedin CISA's KEV since 8 Jun 2022
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
Description
Integer overflow in computing the required allocation size when instantiating a new javascript object in V8 in Google Chrome prior to 65.0.3325.146 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Exploited in the wild
CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as Google Chromium V8 Integer Overflow Vulnerability.
- Added
- 8 Jun 2022
- Fix due (US federal)
- 22 Jun 2022
- Used by ransomware
- Not known
Apply updates per vendor instructions.
ENISA's EU Vulnerability Database lists it as exploited, from CISA's KEV, since 8 Jun 2022.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list an Exploit-DB entry for it. A reference of the record is tagged as an exploit. CISA's SSVC rates its exploitation: it is being exploited.
Show the exploits2
Exploit-DB1 entry
- Google Chrome V8 - Object Allocation Size Integer Overflow (Exploit-DB entry) (opens in a new tab)
EDB-ID 44584remote, multiplepublished 4 May 2018Verified
References tagged exploit1 reference
- 44584 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By Chrome
- 10 months later
· 10 months later
Published
- 4 years later
· 4 years later
Added to CISA KEV
Known exploited in the wild
- 3 years later
· 3 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVDNVD · Analyzed | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 60.3% · top 0.9% of all CVEs (9 Nov 2026)
- CISA SSVC
- Exploitation: active · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.
Affected products
References
8
- https://crbug.com/808192 (opens in a new tab)x_refsource_MISCx_transferred
- https://chromereleases.googleblog.com/2018/03/stable-channel-update-for-desktop.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- 103297 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- RHSA-2018:0484 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 44584 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- DSA-4182 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- https://www.zerodayinitiative.com/advisories/ZDI-19-367/ (opens in a new tab)x_refsource_MISCx_transferred
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-6065 (opens in a new tab)government-resource
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- CISA KEV catalog (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2018-17828 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2018-6065)Record last updated .