CVE-2023-38712
Reported by mitre · Published August 25, 2023
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.
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| libreswan | Amazon Linux | 3.25-4.8.amzn2.0.2 |
Affected products
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
| amazon:2 | libreswan | 0 |
| alpine | libreswan | 0 |
| n/a | n/a | * |
Timeline
- Aug 25, 2023 CVE Published
- Aug 26, 2023 EPSS Score (30 in total, the first dated here)
- Aug 2, 2024 CVE Updated
- Apr 2, 2026 Security Advisory (59 in total, the first dated here)
- May 23, 2026 Distribution Patch (54 in total, the first dated here)
- Aug 6, 2026 Coalition ESS Score
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln CVE-2023-38712
vulnetix vdb fixes CVE-2023-38712
Or with curl, using the org id and key from your account page:
curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
"https://api.vdb.vulnetix.com/v2/vuln/CVE-2023-38712/fixes/registry"
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