ext/session/session.c in PHP before 5.6.25 and 7.x before 7.0.10 skips invalid session names in a way that triggers incorrect parsing, which allows remote attackers to inject arbitrary-type session data by leveraging control of a session name, as demonstrated by object injection.
CVE-2016-7125
Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2022-05-14. NVD baseline CVSS 7.5; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
A fix is available — apply it.
- CVSS v3
- 7.5
- EG Score
- 7.5(medium)
- EG Risk
- 41(Track)EG Risk 41/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity75% × 45%Exploitation6% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 6%
- EPSS %ILE
- 93%
- KEV
- Not listed
Published
September 12, 2016
Last Modified
June 17, 2026
References (20)
- cve@mitrehttp://openwall.com/lists/oss-security/2016/09/02/9
- cve@mitrehttp://rhn.redhat.com/errata/RHSA-2016-2750.html
- cve@mitrehttp://www.php.net/ChangeLog-5.php
- cve@mitrehttp://www.php.net/ChangeLog-7.php
- cve@mitrehttp://www.securityfocus.com/bid/92552
- cve@mitrehttp://www.securitytracker.com/id/1036680
- cve@mitrehttps://bugs.php.net/bug.php?id=72681
- cve@mitrehttps://github.com/php/php-src/commit/8763c6090d627d8bb0ee1d030c30e58f406be9ce?w=1
- cve@mitrehttps://security.gentoo.org/glsa/201611-22
- cve@mitrehttps://www.tenable.com/security/tns-2016-19
- af854a3a-2127-422b-91ae-364da2661108http://openwall.com/lists/oss-security/2016/09/02/9
- af854a3a-2127-422b-91ae-364da2661108http://rhn.redhat.com/errata/RHSA-2016-2750.html
- af854a3a-2127-422b-91ae-364da2661108http://www.php.net/ChangeLog-5.php
- af854a3a-2127-422b-91ae-364da2661108http://www.php.net/ChangeLog-7.php
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/92552
Vendor Advisories for CVE-2016-7125(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Patch Availability(2)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | php7.0-zip (7.0.8-0ubuntu0.16.04.3) @ xenial | 2026-05-22 | ubuntu |
| redhat | rh-php56-php-pear-1:1.9.5-4.el7 | 2016-11-15 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Affected Packages
(2 across 2 ecosystems)
Debian:7(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| php5 | 5.4.11-1 ... 5.4.9-4 (39 versions) | 5.4.45-0+deb7u5 | — |
Debian:8(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| php5 | 5.6.11+dfsg-1 ... 5.6.9+dfsg-1 (34 versions) | 5.6.26+dfsg-0+deb8u1 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Additional Vendor Advisories
(1)
Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.
Data Freshness Timeline
(refreshed 7× in last 7d / 20× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 143 total refreshes for this CVE.
- 2026-09-18 21:36 UTCOSV refresh
- 2026-09-18 19:22 UTCEPSS rescore
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- 2026-08-15 01:25 UTCEPSS rescore
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Related CVEs(same vendor + same CWE)
Same vendor
10 shownredhat
- CVE-2001-0825EG 10.0HIGH
- CVE-2001-1009EG 10.0EPSS p93HIGH
- CVE-2001-0554EG 10.0EPSS p99HIGH
- CVE-2001-1162EG 10.0EPSS p96HIGH
- CVE-2001-0414EG 10.0EPSS p100HIGH
- CVE-2001-0191EG 10.0EPSS p92HIGH
- CVE-2001-0301EG 10.0EPSS p91HIGH
- CVE-2001-0197EG 10.0EPSS p96HIGH
- CVE-2001-0233EG 10.0EPSS p96HIGH
- CVE-2001-0010EG 10.0EPSS p98HIGH
Same CWE
10 shownCWE-74
- CVE-2014-8423EG 10.0EPSS p99HIGH
- CVE-2015-10062NVD 5.5EG 9.8CRITICAL
- CVE-2015-10027NVD 5.5EG 9.8CRITICAL
- CVE-2016-15007NVD 5.5EG 9.8CRITICAL
- CVE-2016-15004NVD 7.3EG 9.8CRITICAL
- CVE-2013-4144EG 9.8CRITICAL
- CVE-2013-7487EG 9.8CRITICAL
- CVE-2014-4678EG 9.8EPSS p92CRITICAL
- CVE-2014-4967EG 9.8CRITICAL
- CVE-2014-4966EG 9.8CRITICAL
Frequently asked(5)
What is CVE-2016-7125?
When was CVE-2016-7125 disclosed?
Is CVE-2016-7125 actively exploited?
What is the CVSS score of CVE-2016-7125?
How do I remediate CVE-2016-7125?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2016-7125
Is Your Infrastructure Affected by CVE-2016-7125?
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