Use After Free in Apple Iphone OS
CVE-2020-6553
Use after free in offline mode in Google Chrome on iOS prior to 84.0.4147.125 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.015 (73.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 73.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
- Apple Iphone OS
- Google Chrome — versions unspecified
- Debian Linux — versions 10.0
- Fedoraproject Fedora — versions 33
Weakness classification (CWE)
References
- chromereleases.googleblog.com/2020/08/stable-channel-update-for-desktop.html (Vendor Advisory)
- crbug.com/1111307 (Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- www.debian.org/security/2021/dsa-4824 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-6553?
- CVE-2020-6553 is a high-severity vulnerability in Apple Iphone OS, classified under Use After Free. CVSS score: 8.8/10. Published 2020-09-21.
- How severe is CVE-2020-6553?
- High severity. CVSS v3 base score is 8.8 out of 10.