CVE-2017-11142: php Uncontrolled Resource Consumption
Vulnerability summary
CVE-2017-11142 is a high (CVSS 7.8) Uncontrolled Resource Consumption vulnerability in php. EPSS estimates a 8.25% chance of exploitation in the next 30 days, higher than 94.9% of scored vulnerabilities.
Severe, CVSS 7.5 (NVD); no exploitation reported by the 5 checked sources; EPSS 8% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 2 · Related 1Timeline
- 10-07-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
In PHP before 5.6.31, 7.x before 7.0.17, and 7.1.x before 7.1.3, remote attackers could cause a CPU consumption denial of service attack by injecting long form variables, related to main/php_variables.c.
CVSS metrics
3 scores · 2 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
8.25%
Chance of exploitation in the next 30 days
Percentile
95%
Versus all other CVEs
30-day change
No change 0.00 pp
From 8.25% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Php1 product
- phpEOL≤ 5.6.30 | 7.0.0 | 7.0.1 | 7.0.2 | 7.0.3 | 7.0.4 | 7.0.5 | 7.0.6 | 7.0.7 | 7.0.8 | 7.0.9 | 7.0.10 | 7.0.11 | 7.0.12 | 7.0.13 | 7.0.14 | 7.0.15 | 7.0.16 | 7.1.0 | 7.1.1 | 7.1.2
Ubuntu1 product
- php7.0< 7.0.18-0ubuntu0.16.04.1
2 vendors · 2 products
References
12 links- github.com/php/php-src/commit/0f8cf3b8497dc45c010c44ed9e96518e11e19fc3X Refsource CONFIRMPatchThird Party Advisory
- www.tenable.com/security/tns-2017-12X Refsource CONFIRM
- github.com/php/php-src/commit/a15bffd105ac28fd0dd9b596632dbf035238fda3X Refsource CONFIRMPatchThird Party Advisory
- security.netapp.com/advisory/ntap-20180112-0001/X Refsource CONFIRM