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TI-2023-02912 Aliases CVE-2023-3107GHSA-cx46-mm2w-4mwv

Remote denial of service in IPv6 fragment reassembly

Priority MEDIUM 40CWE-190Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-190 and the CVSS impact.

Summary

A set of carefully crafted ipv6 packets can trigger an integer overflow in the calculation of a fragment reassembled packet's payload length field. This allows an attacker to trigger a kernel panic, resulting in a denial of service.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00645 51st percentileScored 2026-11-07
Fix Fixed FreeBSD (FreeBSD): 13.2-RELEASE-p2, 13.1-RELEASE-p9, 12.4-RELEASE-p4

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
FreeBSDFreeBSD13.2-RELEASE to before 13.2-RELEASE-p2; 13.1-RELEASE to before 13.1-RELEASE-p9; 12.4-RELEASE to before 12.4-RELEASE-p413.2-RELEASE-p2, 13.1-RELEASE-p9, 12.4-RELEASE-p4Patch availableCNA
  • FreeBSD VendorFreeBSD Affected 13.2-RELEASE to before 13.2-RELEASE-p2; 13.1-RELEASE to before 13.1-RELEASE-p9; 12.4-RELEASE to before 12.4-RELEASE-p4 Fixed in 13.2-RELEASE-p2, 13.1-RELEASE-p9, 12.4-RELEASE-p4 Patch available CNA

CPE configurations NVD · 21

CPEVersionsRoleVendor
cpe:2.3:o:freebsd:freebsd:12.4:-:*:*:*:*:*:*12.4VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:12.4:p1:*:*:*:*:*:*12.4 p1VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:12.4:p2:*:*:*:*:*:*12.4 p2VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:12.4:p3:*:*:*:*:*:*12.4 p3VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:12.4:rc2-p1:*:*:*:*:*:*12.4 rc2-p1VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:12.4:rc2-p2:*:*:*:*:*:*12.4 rc2-p2VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:13.1:-:*:*:*:*:*:*13.1VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:13.1:b1-p1:*:*:*:*:*:*13.1 b1-p1VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:13.1:b2-p2:*:*:*:*:*:*13.1 b2-p2VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:13.1:p1:*:*:*:*:*:*13.1 p1VulnerableFreeBSD
  • cpe:2.3:o:freebsd:freebsd:12.4:-:*:*:*:*:*:* Versions 12.4 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:12.4:p1:*:*:*:*:*:* Versions 12.4 p1 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:12.4:p2:*:*:*:*:*:* Versions 12.4 p2 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:12.4:p3:*:*:*:*:*:* Versions 12.4 p3 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:12.4:rc2-p1:*:*:*:*:*:* Versions 12.4 rc2-p1 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:12.4:rc2-p2:*:*:*:*:*:* Versions 12.4 rc2-p2 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:13.1:-:*:*:*:*:*:* Versions 13.1 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:13.1:b1-p1:*:*:*:*:*:* Versions 13.1 b1-p1 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:13.1:b2-p2:*:*:*:*:*:* Versions 13.1 b2-p2 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:13.1:p1:*:*:*:*:*:* Versions 13.1 p1 Vulnerable ·FreeBSD
Show 11 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:freebsd:freebsd:13.1:p2:*:*:*:*:*:*13.1 p2VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:13.1:p3:*:*:*:*:*:*13.1 p3VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:13.1:p4:*:*:*:*:*:*13.1 p4VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:13.1:p5:*:*:*:*:*:*13.1 p5VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:13.1:p6:*:*:*:*:*:*13.1 p6VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:13.1:p7:*:*:*:*:*:*13.1 p7VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:13.1:p8:*:*:*:*:*:*13.1 p8VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:13.1:rc1-p1:*:*:*:*:*:*13.1 rc1-p1VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:13.2:-:*:*:*:*:*:*13.2VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:13.2:p1:*:*:*:*:*:*13.2 p1VulnerableFreeBSD
cpe:2.3:a:netapp:clustered_data_ontap:9.0:-:*:*:*:*:*:*9.0VulnerableNetApp
  • cpe:2.3:o:freebsd:freebsd:13.1:p2:*:*:*:*:*:* Versions 13.1 p2 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:13.1:p3:*:*:*:*:*:* Versions 13.1 p3 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:13.1:p4:*:*:*:*:*:* Versions 13.1 p4 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:13.1:p5:*:*:*:*:*:* Versions 13.1 p5 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:13.1:p6:*:*:*:*:*:* Versions 13.1 p6 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:13.1:p7:*:*:*:*:*:* Versions 13.1 p7 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:13.1:p8:*:*:*:*:*:* Versions 13.1 p8 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:13.1:rc1-p1:*:*:*:*:*:* Versions 13.1 rc1-p1 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:13.2:-:*:*:*:*:*:* Versions 13.2 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:13.2:p1:*:*:*:*:*:* Versions 13.2 p1 Vulnerable ·FreeBSD
  • cpe:2.3:a:netapp:clustered_data_ontap:9.0:-:*:*:*:*:*:* Versions 9.0 Vulnerable ·NetApp

Remediation

  • Fix · CNA FreeBSD (FreeBSD) Fixed in 13.2-RELEASE-p2, 13.1-RELEASE-p9, 12.4-RELEASE-p4

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-3107
  2. 2026-10-03 Alias added: GHSA-cx46-mm2w-4mwv
  3. 2026-10-20 EPSS moved to the 50th–90th percentile

References

Advisory 2

  • 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