CVE-2020-7450

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-02-18 · updated 2026-06-17
Weakness: CWE-787

Description

In FreeBSD 12.1-STABLE before r357213, 12.1-RELEASE before 12.1-RELEASE-p2, 12.0-RELEASE before 12.0-RELEASE-p13, 11.3-STABLE before r357214, and 11.3-RELEASE before 11.3-RELEASE-p6, URL handling in libfetch with URLs containing username and/or password components is vulnerable to a heap buffer overflow allowing program misbehavior or malicious code execution.

Affected products

FreeBSD: 11.3, 11.3-p1, 11.3-p2, 11.3-p3, 11.3-p4, 11.3-p5 (+14)

References

https://security.FreeBSD.org/advisories/FreeBSD-SA-20:01.libfetch.asc
https://security.FreeBSD.org/advisories/FreeBSD-SA-20:01.libfetch.asc

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