CVE-2018-6065
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
02 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
03 Exploitation and scoring
- Exploitation
- Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2022-06-08. Federal remediation due 2022-06-22.
- SSVC decision
- ExploitationactiveCISA reports credible evidence of active exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 60.30% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 99.0% of scored records. A rank, not a probability.
- NVD base score
- 8.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Important. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2018-11-14 15:00Z7 YR AGO
- Last updated
- 2025-10-21 23:45Z1 YR AGO
- Reserved
- 2018-01-23
- Assigning CNA
- Chrome
- Record state
- PUBLISHED
- Severity
- High (CVSS 8.8)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-190Integer Overflow or WraparoundBase
- Data version
- 5.1
- Document digest
- 83f8264fae921cb4528afdc493ebf7f9bc4f07d79f27b8de9dc4d6ab2dfbf99e
05 Affected products
06 References
- crbug.comhttps://crbug.com/808192
- chromereleases.googleblog.comhttps://chromereleases.googleblog.com/2018/03/stable-channel-update-for-desktop.html
- www.securityfocus.com103297http://www.securityfocus.com/bid/103297
- access.redhat.comRHSA-2018:0484https://access.redhat.com/errata/RHSA-2018:0484
- www.exploit-db.com44584https://www.exploit-db.com/exploits/44584/
- www.debian.orgDSA-4182https://www.debian.org/security/2018/dsa-4182
- www.zerodayinitiative.comhttps://www.zerodayinitiative.com/advisories/ZDI-19-367/
- www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-6065
07 Fixed in
Ubuntu 14.04 LTS
- chromium-browser Fixed in 65.0.3325.181-0ubuntu0.14.04.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- chromium-browser Fixed in 65.0.3325.181-0ubuntu0.16.04.1
- libv8-3.14 No fix yet
- oxide-qt No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- libv8-3.14 No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.