CVE-2018-19395: php NULL Pointer Dereference
Vulnerability summary
CVE-2018-19395 is a high (CVSS 7.5) NULL Pointer Dereference vulnerability in php. EPSS estimates a 4.33% chance of exploitation in the next 30 days, higher than 91% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 20-11-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
ext/standard/var.c in PHP 5.x through 7.1.24 on Windows allows attackers to cause a denial of service (NULL pointer dereference and application crash) because com and com_safearray_proxy return NULL in com_properties_get in ext/com_dotnet/com_handlers.c, as demonstrated by a serialize call on COM("WScript.Shell").
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
4.33%
Chance of exploitation in the next 30 days
Percentile
91%
Versus all other CVEs
30-day change
0.00 pp
From 4.33% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (bugs.php.net)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Php1 product
- php≥ 5.0.0, ≤ 7.1.24
1 vendor · 1 product