CVE-2020-22429 json
redox-os v0.1.0 was discovered to contain a use-after-free bug via the gethostbyaddr() function at /src/header/netdb/mod.rs.
published 2023-05-03 3 y ago modified 2026-06-17 4 mo ago also EUVD-2020-15190
- cvss
- 7.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 16%
- public exploits
- 0
- none known
Summary
redox-os v0.1.0 was discovered to contain a use-after-free bug via the gethostbyaddr() function at /src/header/netdb/mod.rs.
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 21 mo ago
Exploit prediction
0.25% chance of exploitation in the next 30 days, higher than 16% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- gitlab.redox-os.org https://gitlab.redox-os.org/redox-os/relibc/issues/159 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Classification
- Weakness
-
- CWE-416 Use After Free
References
-
gitlab.redox-os.org
/redox-os/relibc/issues/159
exploit, issue-tracking, third-party-advisory
-
burtonqin.github.io
/posts/2023/04/CVE-2020-22429/
third-party-advisory
Sources
- CVE List CVE-2020-22429
- NVD CVE-2020-22429
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.