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5.3

Out-of-bounds write vulnerability in PHP's IPC module

CVE-2026-41981 · published 4 months ago
Summary

PHP's IPC module has a security issue that could cause a denial of service (unavailability) if exploited by an attacker. This affects the reliability of PHP applications. To protect your system, ensure you have the latest version of PHP installed.

Original advisory text
Out-of-bounds write vulnerability in the IPC module. Impact: Successful exploitation of this vulnerability may affect availability.
Out-of-bounds write vulnerability in the IPC module. Impact: Successful exploitation of this vulnerability may affect availability.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker partial control
Severity
5.3 Medium
Exploitation
<1% chance of attack within 30 days
Type
CWE-122Heap-based Buffer Overflow
Timeline
Published9 Jun 2026
Updated26 Oct 2026
First seen9 Jun 2026
Sources
CVE-2026-41981 · NVD
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