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Medium severity6.5NVD Advisory· Published Aug 25, 2023· Updated Jun 17, 2026

CVE-2023-38712

CVE-2023-38712

Description

An issue was discovered in Libreswan 3.x and 4.x before 4.12. When an IKEv1 ISAKMP SA Informational Exchange packet contains a Delete/Notify payload followed by further Notifies that act on the ISAKMP SA, such as a duplicated Delete/Notify message, a NULL pointer dereference on the deleted state causes the pluto daemon to crash and restart.

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

Affected products

4
  • Libreswan/Libreswan3 versions
    cpe:2.3:a:libreswan:libreswan:*:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:a:libreswan:libreswan:*:*:*:*:*:*:*:*range: >=3.0,<4.0
    • (no CPE)
    • (no CPE)range: <4.12
  • osv-coords
    pkg:rpm/almalinux/libreswan
    Range: < 4.12-1.el9

Patches

Vulnerability mechanics

References

2

News mentions

0

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