CVE-2026-76989: liftoff-sr CIPster TCP Encapsulation Receive Path encap.cc out-of-bounds

Published Aug 20, 2026
·
Updated

A security vulnerability has been detected in liftoff-sr CIPster 1802525be27d33e19a9a83c163e331a1d13b1892. This impacts an unknown function of the file source/src/enetencap/encap.cc of the component TCP Encapsulation Receive Path. The manipulation leads to out-of-bounds read. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used. The identifier of the patch is e8e9dba09bf56962807d3504b783ccdb6287f3e4. To fix this issue, it is recommended to deploy a patch.

Affected Software

2 affected components
liftoff-sr CIPster TCP Encapsulation Receive Path encap.cc=1802525be27d33e19a9a83c163e331a1d13b1892
liftoff-sr CIPster TCP Encapsulation Receive Path encap.cc=e8e9dba09bf56962807d3504b783ccdb6287f3e4

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade liftoff-sr CIPster TCP Encapsulation Receive Path encap.cc to a version that resolves this vulnerability.

    Patch e8e9dba09bf56962807d3504b783ccdb6287f3e4

Event History

Aug 20, 2026
CVE Published
via MITRE·01:00 PM
Data Sourced
via MITRE·01:00 PM
DescriptionSeverityWeakness

Frequently Asked Questions

1

Who can exploit this issue?

A remote attacker can initiate the attack. No privileges or user interaction are required according to the supplied severity vector.

2

Is exploit code available?

Yes. The exploit has been publicly disclosed and may be used.

3

What is the recommended remediation?

Deploy the patch identified as e8e9dba09bf56962807d3504b783ccdb6287f3e4.

Contact

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