What is CVE-2015-5295?

CVE-2015-5295 is a medium-severity vulnerability in OpenStack Orchestration API, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.4/10. Published 2016-01-20.

How severe is CVE-2015-5295?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Is CVE-2015-5295 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in OpenStack Orchestration API

CVE-2015-5295

The template-validate command in OpenStack Orchestration API (Heat) before 2015.1.3 (kilo) and 5.0.x before 5.0.1 (liberty) allows remote authenticated users to cause a denial of service (memory consumption) or determine the existence of local files via the resource type in a template, as demonstrated by file:///dev/zero.

Vulnerability class: Buffer Overflow

Published 2016-01-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L.

EPSS exploit prediction

EPSS: 0.029 (86.5th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 86.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.029 · newest: 0.029 · change: 0.000

Affected products

OpenStack Orchestration API
Oracle Solaris — versions 11.3
Fedoraproject Fedora — versions 23
Red Hat OpenStack — versions 7.0

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

Public proof-of-concept exploits

Live-Hack-CVE/CVE-2015-5295

References

security.openstack.org/ossa/OSSA-2016-003.html (Vendor Advisory)
www.securityfocus.com/bid/81438 (VDB Entry, Third Party Advisory, vdb-entry)
www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html (Third Party Advisory)
lists.fedoraproject.org/pipermail/package-announce/2016-February/176700.html (vendor-advisory, Mailing List, Third Party Advisory)
rhn.redhat.com/errata/RHSA-2016-0266.html (vendor-advisory, Third Party Advisory)
bugs.launchpad.net/heat/+bug/1496277 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2015-5295?: CVE-2015-5295 is a medium-severity vulnerability in OpenStack Orchestration API, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.4/10. Published 2016-01-20.
How severe is CVE-2015-5295?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2015-5295 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.