CVE-2026-9299 omec-project amf handler.go PDUSessionResourceModifyIndication memory corruption

Medium 5.3 Published Updated

Remote attackers can trigger memory corruption in the omec-project AMF via PDUSessionResourceModifyIndication, potentially leading to code execution or service disruption.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2026-9299?

CVE-2026-9299 is a medium-severity memory corruption vulnerability in omec-project amf, published on 23 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A flaw has been found in omec-project amf up to 2.1.1. Affected by this issue is the function PDUSessionResourceModifyIndication of the file /go/src/amf/ngap/handler.go. This manipulation causes memory corruption. Remote exploitation of the attack is possible. The exploit has been published and may be used. Applying a patch is the recommended action to fix this issue.

Weakness: CWE-119

Which versions are affected by CVE-2026-9299?

3 open source packages ship an affected version, including github.com/omec-project/amf.

PackageAffectedFixed in
github.com/omec-project/amf GoAll versions1.7.1-0.20260421213846-34bc6724acc9
github.com/omec-project/amf GoAll versions1.7.1-0.20260421213846-34bc6724acc9
github.com/omec-project/amf GoAll versions1.7.1-0.20260421213846-34bc6724acc9

How do I fix CVE-2026-9299?

Upgrade github.com/omec-project/amf to 1.7.1-0.20260421213846-34bc6724acc9 or later.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2026-9299 being exploited?

There is no known exploitation of CVE-2026-9299 in the wild and no public exploit code.

Sources

Also known as GHSA-m9r6-r5c3-jw4j, GO-2026-5843.

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