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TI-2020-05973 Aliases CVE-2020-7450GHSA-2crv-pj7h-4r9x

Out-of-bounds write in FreeBSD

Priority MEDIUM 47CWE-787Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

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.

Why it matters now

EPSS 0.02518 84th percentileScored 2026-11-07
Fix Fixed FreeBSD: 12.1-RELEASE-p2, 12.0-RELEASE-p13, 11.3-RELEASE-p6

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—FreeBSD12.1-STABLE before r357213; 12.1-RELEASE to before 12.1-RELEASE-p2; 12.0-RELEASE to before 12.0-RELEASE-p13; 11.3-STABLE before r357214; 11.3-RELEASE to before 11.3-RELEASE-p612.1-RELEASE-p2, 12.0-RELEASE-p13, 11.3-RELEASE-p6Patch availableCNA
  • FreeBSD Vendor— Affected 12.1-STABLE before r357213; 12.1-RELEASE to before 12.1-RELEASE-p2; 12.0-RELEASE to before 12.0-RELEASE-p13; 11.3-STABLE before r357214; 11.3-RELEASE to before 11.3-RELEASE-p6 Fixed in 12.1-RELEASE-p2, 12.0-RELEASE-p13, 11.3-RELEASE-p6 Patch available CNA

CPE configurations NVD · 20

CPEVersionsRoleVendor
cpe:2.3:o:freebsd:freebsd:11.3:-:*:*:*:*:*:*11.3VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:11.3:p1:*:*:*:*:*:*11.3 p1VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:11.3:p2:*:*:*:*:*:*11.3 p2VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:11.3:p3:*:*:*:*:*:*11.3 p3VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:11.3:p4:*:*:*:*:*:*11.3 p4VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:11.3:p5:*:*:*:*:*:*11.3 p5VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:12.0:-:*:*:*:*:*:*12.0VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:12.0:p1:*:*:*:*:*:*12.0 p1VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:12.0:p10:*:*:*:*:*:*12.0 p10VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:12.0:p11:*:*:*:*:*:*12.0 p11VulnerableFreeBSD
  • cpe:2.3:o:freebsd:freebsd:11.3:-:*:*:*:*:*:* Versions 11.3 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:11.3:p1:*:*:*:*:*:* Versions 11.3 p1 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:11.3:p2:*:*:*:*:*:* Versions 11.3 p2 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:11.3:p3:*:*:*:*:*:* Versions 11.3 p3 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:11.3:p4:*:*:*:*:*:* Versions 11.3 p4 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:11.3:p5:*:*:*:*:*:* Versions 11.3 p5 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:12.0:-:*:*:*:*:*:* Versions 12.0 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:12.0:p1:*:*:*:*:*:* Versions 12.0 p1 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:12.0:p10:*:*:*:*:*:* Versions 12.0 p10 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:12.0:p11:*:*:*:*:*:* Versions 12.0 p11 Vulnerable ·FreeBSD
Show 10 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:freebsd:freebsd:12.0:p12:*:*:*:*:*:*12.0 p12VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:12.0:p2:*:*:*:*:*:*12.0 p2VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:12.0:p3:*:*:*:*:*:*12.0 p3VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:12.0:p4:*:*:*:*:*:*12.0 p4VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:12.0:p6:*:*:*:*:*:*12.0 p6VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:12.0:p7:*:*:*:*:*:*12.0 p7VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:12.0:p8:*:*:*:*:*:*12.0 p8VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:12.0:p9:*:*:*:*:*:*12.0 p9VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:12.1:-:*:*:*:*:*:*12.1VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:12.1:p1:*:*:*:*:*:*12.1 p1VulnerableFreeBSD
  • cpe:2.3:o:freebsd:freebsd:12.0:p12:*:*:*:*:*:* Versions 12.0 p12 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:12.0:p2:*:*:*:*:*:* Versions 12.0 p2 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:12.0:p3:*:*:*:*:*:* Versions 12.0 p3 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:12.0:p4:*:*:*:*:*:* Versions 12.0 p4 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:12.0:p6:*:*:*:*:*:* Versions 12.0 p6 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:12.0:p7:*:*:*:*:*:* Versions 12.0 p7 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:12.0:p8:*:*:*:*:*:* Versions 12.0 p8 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:12.0:p9:*:*:*:*:*:* Versions 12.0 p9 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:12.1:-:*:*:*:*:*:* Versions 12.1 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:12.1:p1:*:*:*:*:*:* Versions 12.1 p1 Vulnerable ·FreeBSD

Remediation

  • Fix · CNA FreeBSD Fixed in 12.1-RELEASE-p2, 12.0-RELEASE-p13, 11.3-RELEASE-p6

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-7450
  2. 2026-10-03 Alias added: GHSA-2crv-pj7h-4r9x

References

Patch 1

  • TI-2011-04182 Buffer overflow in libtelnet/encrypt.c in telnetd in FreeBSD 7.3 through 9.0, MIT… CVSS 2.0HIGH 10.0
  • TI-2007-03684 Integer overflow in print-bgp.c in the BGP dissector in tcpdump 3.9.6 and earlier allows… CVSS 3.1CRITICAL 9.8
  • TI-2002-00376 Integer overflow in xdr_array function in RPC servers for operating systems that use… CVSS 3.1CRITICAL 9.8
  • TI-2024-05929 Openssh: regresshion - race condition in ssh allows rce/dos CVSS 3.1HIGH 8.1
  • TI-2003-00437 Off-by-one error in the fb_realpath() function, as derived from the realpath function in… CVSS 3.1CRITICAL 9.8
  • TI-2003-00642 The prescan function in Sendmail 8.12.9 allows remote attackers to execute arbitrary code… CVSS 2.0HIGH 10.0
See all 576 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences