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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…
High8.8EPSS 2.7%
- Published
- Updated
- Reserved
- Assigned by
- Chrome
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | High8.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 2.7% · top 14% of all CVEs (3 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.
Weakness
- Out of bounds write
- CWE-787 (opens in a new tab)All about CWE-787 and its CVEs
Affected products
References (6)
- https://crbug.com/906313 (opens in a new tab)x_refsource_MISCx_transferred
- https://chromereleases.googleblog.com/2018/12/stable-channel-update-for-desktop.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2018:3803 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- DSA-4352 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- 106084 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- GLSA-201908-18 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
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)
- FIRST EPSS (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)
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[](https://trackcve.app/cve/CVE-2018-18342)Record last updated .