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Medium severity5.5NVD Advisory· Published Mar 26, 2021· Updated Jun 17, 2026

CVE-2020-7463

CVE-2020-7463

Description

In FreeBSD 12.1-STABLE before r364644, 11.4-STABLE before r364651, 12.1-RELEASE before p9, 11.4-RELEASE before p3, and 11.3-RELEASE before p13, improper handling in the kernel causes a use-after-free bug by sending large user messages from multiple threads on the same SCTP socket. The use-after-free situation may result in unintended kernel behaviour including a kernel panic.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

36
  • Apple Inc./iCloud
    cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:*
    Range: <12.3
  • Apple Inc./iTunes
    cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:*
    Range: <12.11.3
  • Apple Inc./Safari
    cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
    Range: <14.1
  • Apple Inc./Ipados
    cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
    Range: <14.5
  • Apple Inc./Iphone OS
    cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
    Range: <14.5
  • Apple Inc./macOS
    cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
    Range: >=11.0,<11.3
  • Apple Inc./tvOS
    cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
    Range: <14.5
  • Apple Inc./watchOS
    cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
    Range: <7.4
  • FreeBSD/FreeBSD27 versions
    cpe:2.3:o:freebsd:freebsd:11.3:-:*:*:*:*:*:*+ 26 more
    • cpe:2.3:o:freebsd:freebsd:11.3:-:*:*:*:*:*:*
    • cpe:2.3:o:freebsd:freebsd:11.3:p10:*:*:*:*:*:*
    • cpe:2.3:o:freebsd:freebsd:11.3:p11:*:*:*:*:*:*
    • cpe:2.3:o:freebsd:freebsd:11.3:p12:*:*:*:*:*:*
    • cpe:2.3:o:freebsd:freebsd:11.3:p1:*:*:*:*:*:*
    • cpe:2.3:o:freebsd:freebsd:11.3:p2:*:*:*:*:*:*
    • cpe:2.3:o:freebsd:freebsd:11.3:p3:*:*:*:*:*:*
    • cpe:2.3:o:freebsd:freebsd:11.3:p4:*:*:*:*:*:*
    • cpe:2.3:o:freebsd:freebsd:11.3:p5:*:*:*:*:*:*
    • cpe:2.3:o:freebsd:freebsd:11.3:p6:*:*:*:*:*:*
    • cpe:2.3:o:freebsd:freebsd:11.3:p7:*:*:*:*:*:*
    • cpe:2.3:o:freebsd:freebsd:11.3:p8:*:*:*:*:*:*
    • cpe:2.3:o:freebsd:freebsd:11.3:p9:*:*:*:*:*:*
    • cpe:2.3:o:freebsd:freebsd:11.4:-:*:*:*:*:*:*
    • cpe:2.3:o:freebsd:freebsd:11.4:p1:*:*:*:*:*:*
    • cpe:2.3:o:freebsd:freebsd:11.4:p2:*:*:*:*:*:*
    • cpe:2.3:o:freebsd:freebsd:12.1:-:*:*:*:*:*:*
    • cpe:2.3:o:freebsd:freebsd:12.1:p1:*:*:*:*:*:*
    • cpe:2.3:o:freebsd:freebsd:12.1:p2:*:*:*:*:*:*
    • cpe:2.3:o:freebsd:freebsd:12.1:p3:*:*:*:*:*:*
    • cpe:2.3:o:freebsd:freebsd:12.1:p4:*:*:*:*:*:*
    • cpe:2.3:o:freebsd:freebsd:12.1:p5:*:*:*:*:*:*
    • cpe:2.3:o:freebsd:freebsd:12.1:p6:*:*:*:*:*:*
    • cpe:2.3:o:freebsd:freebsd:12.1:p7:*:*:*:*:*:*
    • cpe:2.3:o:freebsd:freebsd:12.1:p8:*:*:*:*:*:*
    • cpe:2.3:o:freebsd:freebsd:12.2:-:*:*:*:*:*:*
    • (no CPE)range: <12.1-RELEASE p9, <11.4-RELEASE p3, <11.3-RELEASE p13, <12.1-STABLE r364644, <11.4-STABLE r364651
  • FreeBSD/FreeBSDdescription

Patches

Vulnerability mechanics

References

13

News mentions

0

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