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Fencer Intel
medium 6.8

CVE-2015-3259 json

Stack-based buffer overflow in the xl command line utility in Xen 4.1.x through 4.5.x allows local guest administrators to gain privileges…

published 2015-07-16 11 y ago modified 2026-06-17 4 mo ago also EUVD-2015-3311

cvss
6.8
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 33%
public exploits
0
none known

Summary

Stack-based buffer overflow in the xl command line utility in Xen 4.1.x through 4.5.x allows local guest administrators to gain privileges via a long configuration argument.

Patch / fix

  • xen Debian 14, Debian 13, Debian 12 4.6.0-1

debian advisories DEBIAN-CVE-2015-3259

  • xen Ubuntu 14.04 LTS 4.4.2-0ubuntu0.14.04.2

ubuntu advisories UBUNTU-CVE-2015-3259

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • xen SLES for SAP 12 SP1, SLES 12 SP1, SLED 12 SP1 +1 more 4.5.2_02-4.1
  • xen SLES 11 SP3-TERADATA, SLES 11 SP3, SLED 11 SP3 +2 more 4.2.5_12-15.1
  • xen SLES for SAP 11 SP4, SLES 11 SP4, SLED 11 SP4 +1 more 4.4.2_10-5.1
  • xen SLES for SAP 12, SLES 12, SLED 12 +1 more 4.4.2_08-22.5.1

suse advisories SUSE-SU-2015:2324-1SUSE-SU-2015:1479-2SUSE-SU-2015:1479-1SUSE-SU-2015:1299-1SUSE-SU-2015:1302-1

  • xen openSUSE Tumbleweed 4.7.0_12-1.3

opensuse advisories openSUSE-SU-2024:10196-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2015-3259 updated cvss 4.3

xen: xl command line config handling stack overflow (XSA-137)

  • Red Hat Enterprise Linux 5 xen
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.39% chance of exploitation in the next 30 days, higher than 33% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 6.8 AV:L/AC:L/Au:S/C:C/I:C/A:C

Classification

Weakness
  • CWE-264 Permissions, Privileges, and Access Controls

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.