In PHP versions 7.1.x below 7.1.33, 7.2.x below 7.2.24 and 7.3.x below 7.3.11 in certain configurations of FPM setup it is possible to cause FPM module to write past allocated buffers into the space reserved for FCGI protocol data, thus opening the possibility of remote code execution.
CVE-2019-11043
Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2022-03-25), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 8.7 retained for reference. Confidence: HIGH.
- Actively exploited in the wild (CISA-KEV)
A fix is available — apply it.
- CVSS v3
- 8.7
- EG Score
- 9.8(high)
- EPSS
- 99.9%
- KEV
- ⚠ Exploited
Published
October 28, 2019
Last Modified
November 3, 2025
Advisory Details (7)
Auto-updated Jun 2, 2026Affected: Red Hat Enterprise Linux 8.
https://access.redhat.com/errata/RHSA-2019:3735Affected: Red Hat Enterprise Linux 6.
https://access.redhat.com/errata/RHSA-2019:3287Affected: Red Hat Enterprise Linux 7.
https://access.redhat.com/errata/RHSA-2019:3286Full Disclosure: APPLE-SA-2020-1-28-2 macOS Catalina 10.15.3, Security Update 2020-001 Mojave, Security Update 2020-001 High Sierra
http://seclists.org/fulldisclosure/2020/Jan/40Patch Availability(11)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | libphp5-embed (5.5.9+dfsg-1ubuntu4.29+esm6) @ trusty | 2026-07-13 | ubuntu |
| ubuntu | php7.2-zip (7.2.24-0ubuntu0.18.04.1) @ bionic | 2026-07-13 | ubuntu |
| redhat | php-0:5.4.16-46.1.el7_6 | 2020-07-07 | redhat |
| redhat | php:7.2-8000020191113103901.5d58a046 | 2020-02-03 | redhat |
| redhat | php:7.3-8010020191030161321.dcfb48bd | 2019-11-06 | redhat |
| redhat | php:7.2-8010020191030112723.dcfb48bd | 2019-11-06 | redhat |
| redhat | rh-php70-php-0:7.0.27-2.el7 | 2019-11-06 | redhat |
| redhat | rh-php72-php-0:7.2.24-1.el7 | 2019-11-01 | redhat |
| redhat | rh-php71-php-0:7.1.30-2.el7 | 2019-11-01 | redhat |
| redhat | php-0:5.3.3-50.el6_10 | 2019-10-31 | redhat |
| redhat | php-0:5.4.16-46.1.el7_7 | 2019-10-31 | 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.
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
All Vendor Advisories
(11)
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
- Red HatRHSA-2019:3286CRITICAL2019-10-24
RHSA-2019:3286 — Critical
- Red HatRHSA-2019:3287CRITICAL2019-10-24
RHSA-2019:3287 — Critical
- Red HatRHSA-2019:3299CRITICAL2019-10-24
RHSA-2019:3299 — Critical
- Red HatRHSA-2019:3300CRITICAL2019-10-24
RHSA-2019:3300 — Critical
- Red HatRHSA-2019:3724CRITICAL2019-10-24
RHSA-2019:3724 — Critical
- Red HatRHSA-2019:3735CRITICAL2019-10-24
RHSA-2019:3735 — Critical
- Red HatRHSA-2019:3736CRITICAL2019-10-24
RHSA-2019:3736 — Critical
- Red HatRHSA-2020:0322CRITICAL2019-10-24
RHSA-2020:0322 — Critical
- Red HatRHSA-2020:2835CRITICAL2019-10-24
RHSA-2020:2835 — Critical
- UbuntuUSN-4166-1MEDIUM
PHP vulnerability
- UbuntuUSN-4166-2MEDIUM
PHP vulnerability
Data Freshness Timeline
(refreshed 118× in last 7d / 502× 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 731 total refreshes for this CVE.
- 2026-07-13 04:28 UTCEG score recompute
- 2026-07-13 04:28 UTCVendor advisory
- 2026-07-13 04:27 UTCGHSA enrichment
- 2026-07-13 00:01 UTCEG score recompute
- 2026-07-13 00:01 UTCVendor advisory
- 2026-07-13 00:01 UTCGHSA enrichment
- 2026-07-12 19:36 UTCEG score recompute
- 2026-07-12 19:36 UTCVendor advisory
- 2026-07-12 19:36 UTCGHSA enrichment
- 2026-07-12 15:11 UTCEG score recompute
- 2026-07-12 15:11 UTCVendor advisory
- 2026-07-12 15:11 UTCGHSA enrichment
- 2026-07-12 10:46 UTCEG score recompute
- 2026-07-12 10:46 UTCVendor advisory
- 2026-07-12 10:46 UTCGHSA enrichment
- 2026-07-12 06:21 UTCEG score recompute
- 2026-07-12 06:21 UTCVendor advisory
- 2026-07-12 06:21 UTCGHSA enrichment
- 2026-07-12 01:57 UTCEG score recompute
- 2026-07-12 01:57 UTCVendor advisory
- 2026-07-12 01:57 UTCGHSA enrichment
- 2026-07-11 21:33 UTCEG score recompute
- 2026-07-11 21:33 UTCVendor advisory
- 2026-07-11 21:33 UTCGHSA enrichment
- 2026-07-11 17:08 UTCEG score recompute
Show 75 moreShow fewer
- 2026-07-11 17:08 UTCVendor advisory
- 2026-07-11 17:08 UTCGHSA enrichment
- 2026-07-11 12:43 UTCEG score recompute
- 2026-07-11 12:43 UTCVendor advisory
- 2026-07-11 12:42 UTCGHSA enrichment
- 2026-07-11 08:17 UTCEG score recompute
- 2026-07-11 08:17 UTCVendor advisory
- 2026-07-11 08:17 UTCGHSA enrichment
- 2026-07-11 03:52 UTCEG score recompute
- 2026-07-11 03:52 UTCVendor advisory
- 2026-07-11 03:52 UTCGHSA enrichment
- 2026-07-10 23:28 UTCEG score recompute
- 2026-07-10 23:28 UTCVendor advisory
- 2026-07-10 23:28 UTCGHSA enrichment
- 2026-07-10 19:02 UTCEG score recompute
- 2026-07-10 19:02 UTCVendor advisory
- 2026-07-10 19:02 UTCGHSA enrichment
- 2026-07-10 17:52 UTCCISA KEV update
- 2026-07-10 14:36 UTCEG score recompute
- 2026-07-10 14:36 UTCVendor advisory
- 2026-07-10 14:35 UTCGHSA enrichment
- 2026-07-10 10:10 UTCEG score recompute
- 2026-07-10 10:10 UTCVendor advisory
- 2026-07-10 10:10 UTCGHSA enrichment
- 2026-07-10 05:45 UTCEG score recompute
- 2026-07-10 05:45 UTCVendor advisory
- 2026-07-10 05:45 UTCGHSA enrichment
- 2026-07-10 01:20 UTCEG score recompute
- 2026-07-10 01:20 UTCVendor advisory
- 2026-07-10 01:20 UTCGHSA enrichment
- 2026-07-09 20:55 UTCEG score recompute
- 2026-07-09 20:55 UTCVendor advisory
- 2026-07-09 20:55 UTCGHSA enrichment
- 2026-07-09 16:31 UTCEG score recompute
- 2026-07-09 16:31 UTCVendor advisory
- 2026-07-09 16:31 UTCGHSA enrichment
- 2026-07-09 12:07 UTCEG score recompute
- 2026-07-09 12:07 UTCVendor advisory
- 2026-07-09 12:07 UTCGHSA enrichment
- 2026-07-09 07:43 UTCEG score recompute
- 2026-07-09 07:43 UTCVendor advisory
- 2026-07-09 07:42 UTCGHSA enrichment
- 2026-07-09 03:18 UTCEG score recompute
- 2026-07-09 03:18 UTCVendor advisory
- 2026-07-09 03:18 UTCGHSA enrichment
- 2026-07-08 22:52 UTCEG score recompute
- 2026-07-08 22:52 UTCVendor advisory
- 2026-07-08 22:52 UTCGHSA enrichment
- 2026-07-08 18:27 UTCEG score recompute
- 2026-07-08 18:27 UTCVendor advisory
- 2026-07-08 18:27 UTCGHSA enrichment
- 2026-07-08 14:03 UTCEG score recompute
- 2026-07-08 14:03 UTCVendor advisory
- 2026-07-08 14:02 UTCGHSA enrichment
- 2026-07-08 09:36 UTCEG score recompute
- 2026-07-08 09:36 UTCVendor advisory
- 2026-07-08 09:36 UTCGHSA enrichment
- 2026-07-08 05:12 UTCEG score recompute
- 2026-07-08 05:12 UTCVendor advisory
- 2026-07-08 05:12 UTCGHSA enrichment
- 2026-07-08 00:47 UTCEG score recompute
- 2026-07-08 00:47 UTCVendor advisory
- 2026-07-08 00:47 UTCGHSA enrichment
- 2026-07-07 20:23 UTCEG score recompute
- 2026-07-07 20:23 UTCVendor advisory
- 2026-07-07 20:23 UTCGHSA enrichment
- 2026-07-07 19:01 UTCCISA KEV update
- 2026-07-07 17:16 UTCCISA KEV update
- 2026-07-07 15:58 UTCEG score recompute
- 2026-07-07 15:58 UTCVendor advisory
- 2026-07-07 15:58 UTCGHSA enrichment
- 2026-07-07 11:28 UTCEG score recompute
- 2026-07-07 11:28 UTCVendor advisory
- 2026-07-07 11:28 UTCGHSA enrichment
- 2026-07-07 07:04 UTCEG score recompute
Publicly available exploits
(10 references)Working exploit code is in the public domain (8 GitHub PoCs) (2 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- GitHub PoCkriskhub/CVE-2019-11043First seen May 5, 2020
This repository provides a dockerized infrastructure and a python implementation of the CVE-2019-11043 exploit.
Open source ↗ - Exploit-DBEDB-48182✓ verifiedFirst seen Mar 9, 2020
PHP-FPM - Underflow Remote Code Execution (Metasploit)
Open source ↗ - GitHub PoCk8gege/CVE-2019-11043First seen Nov 11, 2019
Ladon POC Moudle CVE-2019-11043 (PHP-FPM + Ngnix)
Open source ↗ - GitHub PoC0th3rs-Security-Team/CVE-2019-11043First seen Nov 6, 2019
CVE-2019-11043 PHP7.x RCE
Open source ↗ - GitHub PoCypereirareis/docker-CVE-2019-11043First seen Oct 30, 2019
Docker image and commands to check CVE-2019-11043 vulnerability on nginx/php-fpm applications.
Open source ↗ - GitHub PoChuowen/CVE-2019-11043First seen Oct 29, 2019
Python exp for CVE-2019-11043
Open source ↗ - Exploit-DBEDB-47553First seen Oct 28, 2019
PHP-FPM + Nginx - Remote Code Execution
Open source ↗ - GitHub PoCtheMiddleBlue/CVE-2019-11043First seen Oct 28, 2019
(PoC) Python version of CVE-2019-11043 exploit by neex
Open source ↗ - Open source ↗GitHub PoCakamajoris/CVE-2019-11043-DockerFirst seen Oct 24, 2019
- GitHub PoCAleWong/PHP-FPM-Remote-Code-Execution-Vulnerability-CVE-2019-11043-First seen Oct 24, 2019
PHP-FPM Remote Code Execution Vulnerability (CVE-2019-11043) POC in Python
Open source ↗
Related CVEs(same vendor + same CWE)
Same vendor
10 shownredhat
Same CWE
10 shownCWE-120 · CWE-787
- CVE-2009-0948EG 9.8CRITICAL
- CVE-2007-0158EG 9.8CRITICAL
- CVE-2007-0899EG 9.8CRITICAL
- CVE-2006-3100EG 9.8CRITICAL
- CVE-2009-3953NVD 8.8EG 9.0 KEVEPSS 100%HIGH
- CVE-2009-3129NVD 7.8EG 9.0 KEVEPSS 100%HIGH
- CVE-2009-1862NVD 7.8EG 9.0 KEVEPSS 98%HIGH
- CVE-2009-0563NVD 7.8EG 9.0 KEVEPSS 99%HIGH
- CVE-2008-2992NVD 7.8EG 9.0 KEVEPSS 100%HIGH
- CVE-2007-5659NVD 7.8EG 9.0 KEVEPSS 100%HIGH
Frequently asked(6)
What is CVE-2019-11043?
When was CVE-2019-11043 disclosed?
Is CVE-2019-11043 actively exploited?
What is the CVSS score of CVE-2019-11043?
Which products are affected by CVE-2019-11043?
How do I remediate CVE-2019-11043?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2019-11043
Is Your Infrastructure Affected by CVE-2019-11043?
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