CVE-2017-11434: n/a vulnerability

CVE-2017-11434: The dhcp_decode function in slirp/bootp.c in QEMU (aka Quick Emulator) allows local guest OS users to cause...

The dhcp_decode function in slirp/bootp.c in QEMU (aka Quick Emulator) allows local guest OS users to cause a denial of service (out-of-bounds read and QEMU process crash) via a crafted DHCP options string.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 5, 2024, 18:12 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2017-11434 is a QEMU availability issue. A user inside a guest operating system can send malformed DHCP option data through QEMU's SLIRP networking path and crash the QEMU process, disrupting that virtual machine. Exposure is most likely where QEMU uses SLIRP or user-mode networking with DHCP handling, especially for untrusted guest workloads or multi-tenant environments. The supplied sources do not provide exact affected version ranges. Treat this as a targeted availability risk, not a confirmed host takeover. Patch during normal security maintenance, faster for environments hosting untrusted guests or customer-controlled virtual machines. Mitigation focus: Apply QEMU security updates from your operating system or virtualization vendor.; Prioritize hosts running untrusted guest workloads with SLIRP user-mode networking.; Check Debian DSA-3925 and DLA-1497-1 coverage where Debian packages are used..

Prepared: Jun 13, 2026, 04:25 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Jul 25, 2017, 18:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

4Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
[debian-lts-announce] 20180906 [SECURITY] [DLA 1497-1] qemu security updateCVE reference · mailing-list, x_refsource_MLIST
[qemu-devel] 20170717 [PATCH] slirp: check len against dhcp options array endCVE reference · mailing-list, x_refsource_MLIST
https://bugzilla.redhat.com/show_bug.cgi?id=1472611CVE reference · x_refsource_CONFIRM

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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