What is CVE-2018-10546?

CVE-2018-10546 is a high-severity vulnerability in NetApp Storage Automation Store, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 7.5/10. Published 2018-04-29.

How severe is CVE-2018-10546?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2018-10546 known to be exploited?

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

Vulnerability in NetApp Storage Automation Store

CVE-2018-10546

An issue was discovered in PHP before 5.6.36, 7.0.x before 7.0.30, 7.1.x before 7.1.17, and 7.2.x before 7.2.5. An infinite loop exists in ext/iconv/iconv.c because the iconv stream filter does not reject invalid multibyte sequences.

Published 2018-04-29 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.100 (95.4th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.104 · newest: 0.100 · change: -0.005

Affected products

NetApp Storage Automation Store
PHP
Canonical Ubuntu Linux — versions 14.04, 16.04, 17.10
Debian Linux — versions 8.0, 9.0

Weakness classification (CWE)

CWE-835 — Loop with Unreachable Exit Condition (Infinite Loop)

Public proof-of-concept exploits

References

www.securityfocus.com/bid/104019 (VDB Entry, Third Party Advisory, vdb-entry)
www.securitytracker.com/id/1040807 (VDB Entry, Third Party Advisory, vdb-entry)
bugs.php.net/bug.php (Patch, Issue Tracking, Vendor Advisory)
www.debian.org/security/2018/dsa-4240 (vendor-advisory, Third Party Advisory)
www.tenable.com/security/tns-2018-12 (Third Party Advisory)
usn.ubuntu.com/3646-1/ (vendor-advisory, Third Party Advisory)
php.net/ChangeLog-5.php (Patch, Vendor Advisory)
php.net/ChangeLog-7.php (Patch, Vendor Advisory)
security.gentoo.org/glsa/201812-01 (vendor-advisory, Third Party Advisory)
security.netapp.com/advisory/ntap-20180607-0003/ (Third Party Advisory)

Frequently asked questions

What is CVE-2018-10546?: CVE-2018-10546 is a high-severity vulnerability in NetApp Storage Automation Store, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 7.5/10. Published 2018-04-29.
How severe is CVE-2018-10546?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2018-10546 known to be exploited?: 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.