CVE-2016-9577 Memory corruption in spice

What is CVE-2016-9577?

CVE-2016-9577 is a high-severity memory corruption vulnerability in Debian Debian Linux, published on 27 Jul 2018. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability was discovered in SPICE before 0.13.90 in the server's protocol handling. An authenticated attacker could send crafted messages to the SPICE server causing a heap overflow leading to a crash or possible code execution.

Weakness: CWE-119, CWE-20, CWE-122

Which versions are affected by CVE-2016-9577?

It affects 7 products.

Products include Debian Debian Linux, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Server Aus, Redhat Enterprise Linux Server Eus, Redhat Enterprise Linux Workstation and 1 more.

How do I fix CVE-2016-9577?

Upgrade to a fixed version.

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

Is CVE-2016-9577 being exploited?

There is no known exploitation of CVE-2016-9577 in the wild and no public exploit code.

Other vulnerabilities in Debian Debian Linux

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• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as ALPINE-CVE-2016-9577, DEBIAN-CVE-2016-9577, GHSA-fjp3-q3m4-wmjx, UBUNTU-CVE-2016-9577.