Vulnerability Database

289,599

Total vulnerabilities in the database

CVE-2020-7462

In 11.4-PRERELEASE before r360733 and 11.3-RELEASE before p13, improper mbuf handling in the kernel causes a use-after-free bug by sending IPv6 Hop-by-Hop options over the loopback interface. The use-after-free situation may result in unintended kernel behaviour including a kernel panic.

  • Published: Mar 26, 2021
  • Updated: Apr 14, 2023
  • CVE: CVE-2020-7462
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 5.5
  • AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS v2:

  • Severity: Low
  • Score: 4.9
  • AV:L/AC:L/Au:N/C:N/I:N/A:C

CWEs:

Software From Fixed in
freebsd / freebsd 11.3 11.3.x
freebsd / freebsd 11.3-p1 11.3-p1.x
freebsd / freebsd 11.3-p3 11.3-p3.x
freebsd / freebsd 11.3-p2 11.3-p2.x
freebsd / freebsd 11.3-p4 11.3-p4.x
freebsd / freebsd 11.3-p5 11.3-p5.x
freebsd / freebsd 11.3-p6 11.3-p6.x
freebsd / freebsd 11.3-p7 11.3-p7.x
freebsd / freebsd 11.3-p8 11.3-p8.x
freebsd / freebsd 11.4 11.4.x
freebsd / freebsd 11.3-p9 11.3-p9.x
freebsd / freebsd 11.3-p10 11.3-p10.x
freebsd / freebsd 11.3-p11 11.3-p11.x
freebsd / freebsd 11.3-p12 11.3-p12.x