CVE-2020-7450
In FreeBSD 12.1-STABLE before r357213, 12.1-RELEASE before 12.1-RELEASE-p2, 12.0-RELEASE before...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2020-7450- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-787
- Updated
- 2026-11-02
CVE ListNo score
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.
- Record
CVE-2020-7450- Updated
- 2026-11-02
EUVDEUVD-2020-28576No score
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.
- Record
EUVD-2020-28576- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-2crv-pj7h-4r9xNo score
In FreeBSD 12.1-STABLE before r357213, 12.1-RELEASE before 12.1-RELEASE-p2, 12.0-RELEASE before...
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.
- Record
GHSA-2crv-pj7h-4r9x- Updated
- 2026-11-02
OSVALPINE-CVE-2020-7450
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.
- Record
ALPINE-CVE-2020-7450- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
xbpsAlpine:v3.12 | before 0.58-r0 | 0.58-r0 |
xbpsAlpine:v3.13 | before 0.58-r0 | 0.58-r0 |
xbpsAlpine:v3.14 | before 0.58-r0 | 0.58-r0 |
xbpsAlpine:v3.15 | before 0.58-r0 | 0.58-r0 |
xbpsAlpine:v3.16 | before 0.58-r0 | 0.58-r0 |
xbpsAlpine:v3.17 | before 0.58-r0 | 0.58-r0 |
xbpsAlpine:v3.18 | before 0.58-r0 | 0.58-r0 |
xbpsAlpine:v3.19 | before 0.58-r0 | 0.58-r0 |
xbpsAlpine:v3.20 | before 0.58-r0 | 0.58-r0 |
xbpsAlpine:v3.21 | before 0.58-r0 | 0.58-r0 |
xbpsAlpine:v3.22 | before 0.58-r0 | 0.58-r0 |
xbpsAlpine:v3.23 | before 0.58-r0 | 0.58-r0 |
xbpsAlpine:v3.24 | before 0.58-r0 | 0.58-r0 |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| affected, aliases, facts, references | OSV | |
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-7450 is a critical vulnerability (CVSS 9.8) in Freebsd, published February 18, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.52%, the 85th percentile. Fixed in xbps 0.58-r0.