Is CVE-2016-9137 in the CISA KEV catalog?

No. CVE-2016-9137 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2016-9137?

CVE-2016-9137 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2016-9137?

CVE-2016-9137 has an EPSS score of 5.36% (92th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2016-9137?

Upgrade libapache2-mod-php5 on ubuntu 14.04 to 5.5.9+dfsg-1ubuntu4.21 or later. Fixes are available for 10 affected products.

CVE & CISA-KEV Catalog

CVE-2016-9137

CRITICALEPSS 92th pctl

9.8

CVSS v3

NVD

Description

Use-after-free vulnerability in the CURLFile implementation in ext/curl/curl_file.c in PHP before 5.6.27 and 7.x before 7.0.12 allows remote attackers to cause a denial of service or possibly have unspecified other impact via crafted serialized data that is mishandled during __wakeup processing.

CWE-416Use After Free

How to fix

Remediation Available

libapache2-mod-php5Ubuntu

Fixed in:5.5.9+dfsg-1ubuntu4.21USN-3196-1

libapache2-mod-php7.0Ubuntu

Fixed in:7.0.15-0ubuntu0.16.04.2USN-3211-1

php5Ubuntu

Fixed in:5.5.9+dfsg-1ubuntu4.21USN-3196-1

php5-cgiUbuntu

Fixed in:5.5.9+dfsg-1ubuntu4.21USN-3196-1

php5-cliUbuntu

Fixed in:5.5.9+dfsg-1ubuntu4.21USN-3196-1

php5-fpmUbuntu

Fixed in:5.5.9+dfsg-1ubuntu4.21USN-3196-1

php7.0Ubuntu

Fixed in:7.0.15-0ubuntu0.16.04.2USN-3211-1

php7.0-cgiUbuntu

Fixed in:7.0.15-0ubuntu0.16.04.2USN-3211-1

php7.0-cliUbuntu

Fixed in:7.0.15-0ubuntu0.16.04.2USN-3211-1

php7.0-fpmUbuntu

Fixed in:7.0.15-0ubuntu0.16.04.2USN-3211-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

5.36%probability of exploitation in 30 days

92ndpercentile

High risk: more likely to be exploited than 92% of all known CVEs.

References

Exploit1

bugs.php.net

Vendor Advisory2

Third-Party Advisory2

Other references3

Related Vulnerabilities

Other CWE-416 (Use After Free) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2019-0708	Critical	9.8	100%	KEV + Ransom	-
CVE-2021-31166	Critical	9.8	100%	KEV	Fix
CVE-2015-5119	Critical	9.8	99%	KEV	-
CVE-2010-3962	High	8.1	97%	KEV	-
CVE-2015-0313	Critical	9.8	96%	KEV	Fix
CVE-2017-9798	High	7.5	95%	-	Fix

Embed a live status badge for CVE-2016-9137

Markdown

[![CVE-2016-9137](https://tridentstack.com/cve/badge/CVE-2016-9137.svg)](https://tridentstack.com/cve/CVE-2016-9137)

HTML

<a href="https://tridentstack.com/cve/CVE-2016-9137"><img src="https://tridentstack.com/cve/badge/CVE-2016-9137.svg" alt="CVE-2016-9137"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.