CVE-2020-7454

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-05-13 · updated 2026-06-17
Weakness: CWE-20

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.

Affected products

FreeBSD: 11.3, 11.3-p1, 11.3-p2, 11.3-p3, 11.3-p4, 11.3-p5 (+10)

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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