02 Records
FEED: ACQUIRING
01 RecordSTATE: PUBLISHED
02 Description
CNA: ChromeOut-of-bounds Write in the QUIC networking stack in Google Chrome prior to 63.0.3239.84 allowed a remote attacker to gain code execution via a malicious server.
03 Exploitation and scoring
SRC: CISA, FIRST, NVD, RED HAT- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 2.43% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Ranks above 83.0% 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:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Critical. 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.
SCHEMA: 5.1
- Published
- 2018-08-28 19:00Z8 YR AGO
- Last updated
- 2024-08-05 19:57Z2 YR AGO
- Reserved
- 2017-10-17
- Assigning CNA
- Chrome
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- 30fc175a4a59f9917fde8500f684d31d9f17d5fb709541f56b822c4fda51076b
05 Affected products
PAIRS: 1VendorProductVersionsPlatforms