CVE-2016-4070: php Numeric Errors
Vulnerability summary
CVE-2016-4070 is a high (CVSS 7.5) Numeric Errors vulnerability in php. EPSS estimates a 5.72% chance of exploitation in the next 30 days, higher than 93% of scored vulnerabilities. 1 public exploit is recorded.
Public exploit (reference, Date unknown)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 8 · Related 6Timeline
- 20-05-2016PublishedVulnerability first disclosed.
- 14-11-2024Last modifiedVulnerability information updated.
Description
Integer overflow in the php_raw_url_encode function in ext/standard/url.c in PHP before 5.5.34, 5.6.x before 5.6.20, and 7.x before 7.0.5 allows remote attackers to cause a denial of service (application crash) via a long string to the rawurlencode function. NOTE: the vendor says "Not sure if this qualifies as security issue (probably not).
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
5.72%
Chance of exploitation in the next 30 days
Percentile
93%
Versus all other CVEs
30-day change
No change 0.00 pp
From 5.72% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
1 foundExploit Reference (bugs.php.net)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu2 products
- php5< 5.5.9+dfsg-1ubuntu4.16
- php7.0< 7.0.4-7ubuntu2.1
Php1 product
- phpEOL≤ 5.5.33 | 5.6.0:alpha1 | 5.6.0:alpha2 | 5.6.0:alpha3 | 5.6.0:alpha4 | 5.6.0:alpha5 | 5.6.0:beta1 | 5.6.0:beta2 | 5.6.0:beta3 | 5.6.0:beta4 | 5.6.1 | 5.6.2 | 5.6.3 | 5.6.4 | 5.6.5 | 5.6.6 | 5.6.7 | 5.6.8 | 5.6.9 | 5.6.10 | 5.6.11 | 5.6.12 | 5.6.13 | 5.6.14 | 5.6.15 | 5.6.16 | 5.6.17 | 5.6.18 | 5.6.19 | 7.0.0 | 7.0.1 | 7.0.2 | 7.0.3 | 7.0.4
2 vendors · 3 products
References
23 links- www.php.net/ChangeLog-7.phpX Refsource CONFIRM
- support.apple.com/HT206567X Refsource CONFIRM
- www.php.net/ChangeLog-5.phpX Refsource CONFIRM