CVE-2018-14884

Exp

An issue was discovered in PHP 7.0.x before 7.0.27, 7.1.x before 7.1.13, and 7.2.x before 7.2.1. Inappropriately parsing an HTTP response leads to a segmentation fault because http_header_value in ext/standard/http_fopen_wrapper.c can be a NULL value that is mishandled in an atoi call.

Published: 2018-08-03 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2018-14884 is rated High Exploit Risk (77.8/100): CVSS High severity, with medium exploitation likelihood (EPSS 3.19%). 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +2.59% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2018-14884

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2018-14884

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.59% 3.19% +2.59%
2 2026-06-01 0.55% 0.59% +0.04%
3 2026-01-14 — 0.55% —

Full EPSS history (20 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2018-14884

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.0 HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 3.6 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2018-14884

OS Trackers for CVE-2018-14884

vendor priority summary link
redhat medium — https://access.redhat.com/security/cve/CVE-2018-14884
suse medium CVE-2018-14884 severity moderate: SUSE including 55 source package names (apache2-mod_php7, php7, …), 107 product×package rows across 3 product lines (SUSE Linux Enterprise Module for Web and Scripting 12, SUSE Linux Enterprise Module for Web and Scripting 15, SUSE Linux Enterprise Software Development Kit 12 SP3): Known Not Affected 107. https://www.suse.com/security/cve/CVE-2018-14884/
ubuntu medium CVE-2018-14884 medium priority: Ubuntu including 3 source packages (php5, php7.0, php7.2), 12 status rows across 4 suites (bionic, trusty, upstream, xenial): DNE 6, not-affected 3, released 2, needs-triage 1. https://ubuntu.com/security/CVE-2018-14884

Affected software / configurations for CVE-2018-14884

Vendor Product Version Raw CPE
php php >= 7.0.0, < 7.0.27 cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
php php >= 7.1.0, < 7.1.13 cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
php php >= 7.2.0, < 7.2.1 cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
netapp storage_automation_store — cpe:2.3:a:netapp:storage_automation_store:-:*:*:*:*:*:*:*

References for CVE-2018-14884

cvelogic Threat Intelligence