SUSE-SU-2026:3488-1 Security update for openssl-1_1

Not scored Published

Remote attackers can cause denial of service in OpenSSL TLS ClientHello processing via memory allocation attacks.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is SUSE-SU-2026:3488-1?

SUSE-SU-2026:3488-1 is a denial of service vulnerability in openssl-1_1, published on 4 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

This update for openssl-1_1 fixes the following issue

  • HollowByte: DoS vector against OpenSSL TLS ClientHello via remote, attacker-controlled memory allocations (bsc#1271712).

Which versions are affected by SUSE-SU-2026:3488-1?

Linux distribution packages (5)
openssl-1_1 SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOSAll versions1.1.1l-150500.17.60.1
openssl-1_1 SUSE:Linux Enterprise High Performance Computing 15 SP5-LTSSAll versions1.1.1l-150500.17.60.1
openssl-1_1 SUSE:Linux Enterprise Micro 5.5All versions1.1.1l-150500.17.60.1
openssl-1_1 SUSE:Linux Enterprise Server 15 SP5-LTSSAll versions1.1.1l-150500.17.60.1
openssl-1_1 SUSE:Linux Enterprise Server for SAP Applications 15 SP5All versions1.1.1l-150500.17.60.1

How do I fix SUSE-SU-2026:3488-1?

Apply the vendor's patch.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is SUSE-SU-2026:3488-1 being exploited?

There is no known exploitation of SUSE-SU-2026:3488-1 in the wild and no public exploit code.

Sources

Is SUSE-SU-2026:3488-1 in your software?

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