9.8
CRITICAL CVSS 3.0
CVE-2016-5873
pecl_http Heap Buffer Overflow Vulnerability
Description

Buffer overflow in the HTTP URL parsing functions in pecl_http before 3.0.1 might allow remote attackers to execute arbitrary code via non-printable characters in a URL.

INFO

Published Date :

Jan. 23, 2017, 9:59 p.m.

Last Modified :

April 20, 2025, 1:37 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2016-5873 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Php pecl_http
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 HIGH [email protected]
CVSS 3.0 CRITICAL [email protected]
Solution
This information is provided by the 3rd party feeds.
  • All PECL HTTP users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose '>=dev-php/pecl-http-2.5.6'
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2016-5873 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2016-5873 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2016-5873 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://www.openwall.com/lists/oss-security/2016/06/29/1
    Added Reference http://www.openwall.com/lists/oss-security/2016/06/29/4
    Added Reference http://www.securityfocus.com/bid/95863
    Added Reference https://bugs.php.net/bug.php?id=71719
    Added Reference https://github.com/m6w6/ext-http/commit/3724cd76a28be1d6049b5537232e97ac
    Added Reference https://pecl.php.net/package/pecl_http/3.0.1
    Added Reference https://security.gentoo.org/glsa/201612-17
    Added Reference https://security.netapp.com/advisory/ntap-20180112-0001/
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Jan. 14, 2018

    Action Type Old Value New Value
    Added Reference https://security.netapp.com/advisory/ntap-20180112-0001/ [No Types Assigned]
  • CVE Modified by [email protected]

    Jul. 01, 2017

    Action Type Old Value New Value
    Added Reference https://security.gentoo.org/glsa/201612-17 [No Types Assigned]
  • CVE Modified by [email protected]

    Feb. 01, 2017

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/95863 [No Types Assigned]
  • Initial Analysis by [email protected]

    Jan. 25, 2017

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type http://www.openwall.com/lists/oss-security/2016/06/29/1 No Types Assigned http://www.openwall.com/lists/oss-security/2016/06/29/1 Third Party Advisory, Mailing List, Patch
    Changed Reference Type http://www.openwall.com/lists/oss-security/2016/06/29/4 No Types Assigned http://www.openwall.com/lists/oss-security/2016/06/29/4 Third Party Advisory, Mailing List
    Changed Reference Type https://bugs.php.net/bug.php?id=71719 No Types Assigned https://bugs.php.net/bug.php?id=71719 Vendor Advisory, Exploit
    Changed Reference Type https://github.com/m6w6/ext-http/commit/3724cd76a28be1d6049b5537232e97ac No Types Assigned https://github.com/m6w6/ext-http/commit/3724cd76a28be1d6049b5537232e97ac Vendor Advisory, Patch
    Changed Reference Type https://pecl.php.net/package/pecl_http/3.0.1 No Types Assigned https://pecl.php.net/package/pecl_http/3.0.1 Release Notes, Vendor Advisory
    Added CWE CWE-119
    Added CPE Configuration OR *cpe:2.3:a:php:pecl_http:3.0.1:rc1:*:*:*:*:*:* (and previous)
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 9.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 7.5
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

5.06 }} -12.12%

score

0.88783

percentile