CVE-2020-7454
9.8
CRITICAL · CVSS 3.1 · EPSS 2.7% (pctl 86)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
Description
In FreeBSD 12.1-STABLE before r360971, 12.1-RELEASE before p5, 11.4-STABLE before r360971, 11.4-BETA1 before p1 and 11.3-RELEASE before p9, libalias does not properly validate packet length resulting in modules causing an out of bounds read/write condition if no checking was built into the module.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 2.71% — more likely to be exploited than 86% of all CVEs |
| Weakness | CWE-20 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2020-05-13 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| freebsd | freebsd |
References
- https://security.FreeBSD.org/advisories/FreeBSD-SA-20:12.libalias.asc
- https://security.netapp.com/advisory/ntap-20200518-0005/
- https://www.zerodayinitiative.com/advisories/ZDI-20-659/
- https://www.zerodayinitiative.com/advisories/ZDI-20-660/
- https://security.FreeBSD.org/advisories/FreeBSD-SA-20:12.libalias.asc
- https://security.netapp.com/advisory/ntap-20200518-0005/
- https://www.zerodayinitiative.com/advisories/ZDI-20-659/
- https://www.zerodayinitiative.com/advisories/ZDI-20-660/
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