Linux · Security advisory · November 7, 2026
ELSA-2026-89748: libreswan security update
ELSA-2026-89748, released November 7, 2026, fixes 3 CVEs in libreswan (version 0:4.15-11.0.1.el9_8). None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
3
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0066
51st percentile
Priority of the 3 CVEs
Patch now 0
Urgent 0
High 3
Routine 0
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| libreswan | ol 9 | 0:4.15-11.0.1.el9_8 |
CVEs this fix closes
| Priority | CVE | Title | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| High | CVE-2026-77206 | IKEv2 pre-authentication Null Pointer Dereference in EAP code | 7.5 | 0.0066 | None reported | |
| High | CVE-2026-77207 | Null Pointer Dereference in PKCS#7 bundle with no certificates | 7.5 | 0.0046 | None reported | |
| High | CVE-2026-94453 | IKEv2 Use-After-Free bug when using IKE-over-TCP | 7.5 | 0.0045 | None reported |
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