CVE-2020-7450

CRITICAL

FreeBSD Heap Buffer Overflow in libfetch URL Handling

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References

Scores

CVSS v3 9.8
EPSS 0.0102
EPSS Percentile 77.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-787
Status published
Products (3)
freebsd/freebsd 11.3 (6 CPE variants)
freebsd/freebsd 12.0 (12 CPE variants)
freebsd/freebsd 12.1 (2 CPE variants)
Published Feb 18, 2020
Tracked Since Feb 18, 2026