CVE-2015-7512 Memory corruption in n/a

What is CVE-2015-7512?

CVE-2015-7512 is a critical memory corruption vulnerability in Debian Debian Linux, published on 8 Jan 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Buffer overflow in the pcnet_receive function in hw/net/pcnet.c in QEMU, when a guest NIC has a larger MTU, allows remote attackers to cause a denial of service (guest OS crash) or execute arbitrary code via a large packet.

Weakness: CWE-120

Which versions are affected by CVE-2015-7512?

It affects 9 products.

Products include Debian Debian Linux, Oracle Linux, Qemu Qemu, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Eus, Redhat Enterprise Linux Server and 3 more.

How do I fix CVE-2015-7512?

Apply the vendor's patch.

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

Is CVE-2015-7512 being exploited?

There is no known exploitation of CVE-2015-7512 in the wild and no public exploit code.

Other vulnerabilities in Debian Debian Linux

• CVE-2015-3306 ProFTPD Improper Access Control Exploited Critical 10.0
• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• 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 DEBIAN-CVE-2015-7512, GHSA-4583-4mx5-3jcc, UBUNTU-CVE-2015-7512.