Out-of-bounds Read in Apple macOS
CVE-2022-28739
There is a buffer over-read in Ruby before 2.6.10, 2.7.x before 2.7.6, 3.x before 3.0.4, and 3.1.x before 3.1.2. It occurs in String-to-Float conversion, including Kernel#Float and String#to_f.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.044 (90.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 90.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.043 · newest: 0.044 · change: +0.001
Affected products
- Apple macOS
- Ruby-Lang Ruby
- Debian Linux — versions 9.0, 10.0, 11.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- hackerone.com/reports/1248108 (Permissions Required, Third Party Advisory)
- security-tracker.debian.org/tracker/CVE-2022-28739 (Third Party Advisory)
- www.ruby-lang.org/en/news/2022/04/12/buffer-overrun-in-string-to-float-cve-2022… (Vendor Advisory)
- security.netapp.com/advisory/ntap-20220624-0002/ (Third Party Advisory)
- support.apple.com/kb/HT213488 (Third Party Advisory)
- support.apple.com/kb/HT213494 (Third Party Advisory)
- support.apple.com/kb/HT213493 (Third Party Advisory)
- seclists.org/fulldisclosure/2022/Oct/41 (mailing-list, Mailing List, Third Party Advisory)
- seclists.org/fulldisclosure/2022/Oct/28 (mailing-list)
- seclists.org/fulldisclosure/2022/Oct/30 (mailing-list)
Frequently asked questions
- What is CVE-2022-28739?
- CVE-2022-28739 is a high-severity vulnerability in Apple macOS, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2022-05-09.
- How severe is CVE-2022-28739?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2022-28739 known to be exploited?
- 10 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.