Use After Free in Redox-Os Redox
CVE-2020-22429
redox-os v0.1.0 was discovered to contain a use-after-free bug via the gethostbyaddr() function at /src/header/netdb/mod.rs.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.003 (15.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 15th percentile — 15.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Redox-Os Redox — versions 0.1.0
Weakness classification (CWE)
References
- gitlab.redox-os.org/redox-os/relibc/issues/159 (Exploit, Third Party Advisory, Issue Tracking)
- burtonqin.github.io/posts/2023/04/CVE-2020-22429/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2020-22429?
- CVE-2020-22429 is a high-severity vulnerability in Redox-Os Redox, classified under Use After Free. CVSS score: 7.8/10. Published 2023-05-03.
- How severe is CVE-2020-22429?
- High severity. CVSS v3 base score is 7.8 out of 10.