What is CVE-2017-14586?

CVE-2017-14586 is a critical-severity vulnerability in Atlassian Hipchat, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2017-11-27.

How severe is CVE-2017-14586?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Atlassian Hipchat

CVE-2017-14586

The Hipchat for Mac desktop client is vulnerable to client-side remote code execution via video call link parsing. Hipchat for Mac desktop clients at or above version 4.0 and before version 4.30 are affected by this vulnerability.

Vulnerability class: Buffer Overflow

Published 2017-11-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.035 (88.8th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 88.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.035 · newest: 0.035 · change: 0.000

Affected products

Atlassian Hipchat
Atlassian Hipchat For Mac Desktop Client — versions 4.0 <= version < 4.30

Weakness classification (CWE)

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

References

www.securityfocus.com/bid/101947 (VDB Entry, Third Party Advisory, vdb-entry)
jira.atlassian.com/browse/HCPUB-3473 (Issue Tracking, Vendor Advisory)
confluence.atlassian.com/hc/hipchat-server-security-advisory-2017-11-22-9399462… (Vendor Advisory)

Frequently asked questions

What is CVE-2017-14586?: CVE-2017-14586 is a critical-severity vulnerability in Atlassian Hipchat, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2017-11-27.
How severe is CVE-2017-14586?: Critical severity. CVSS v3 base score is 9.8 out of 10.