CVE-2015-3209

7.5 HIGH 10% exploit odds No fix listed Memory safety

What it is

Heap-based buffer overflow in the PCNET controller in QEMU allows remote attackers to execute arbitrary code by sending a packet with TXSTATUS_STARTPACKET set and then a crafted packet with TXSTATUS_DEVICEOWNS set.

At a glance

Exploitability: Can be exploited over the network without logging in. Limited direct impact.
Exploit odds: 9.7% chance of exploitation in the next 30 days (EPSS).
Fix: No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

2015-06-15 15:59 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 00:25 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 9.7% in the next 30 days (EPSS).
Severity: 7.5 HIGH (CVSS).
Fix: none linked yet, which raises it.

Details

Published: 2015-06-15 15:59 UTC
Last modified: 2026-06-17 00:25 UTC
Exploit probability: 9.7% · EPSS, next 30 days
Weakness: CWE-787 · Out-of-bounds write
Record status: Modified

Affected

Qemu ≤ 2.3.1
Juniper Junos Space ≤ 15.1
Canonical Ubuntu Linux 12.04
Canonical Ubuntu Linux 14.04
Canonical Ubuntu Linux 14.10
Canonical Ubuntu Linux 15.04
Debian Linux 7.0
Debian Linux 8.0

Attack profile CVSS 2.0 · 7.5

Attack vector: Network
Complexity: Low
Authentication: None
Confidentiality: Partial
Integrity: Partial
Availability: Partial

Raw vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2015-3209.md and follow it. Check whether this project is affected by CVE-2015-3209. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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References

NVD record · CVE.org record