Out-of-bounds Write Affecting php-8.1 package, versions <8.1.34+e1


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.21% (11th percentile)

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  • Snyk IDSNYK-ECHOLATEST-PHP81-21429747
  • published22 Oct 2026
  • disclosed30 Sept 2026

Introduced: 30 Sep 2026

NewCVE-2026-103111  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade Echo:latest php-8.1 to version 8.1.34+e1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream php-8.1 package and not the php-8.1 package as distributed by Echo. See How to fix? for Echo:latest relevant fixed versions and status.

PCRE2 before 10.49, when there is an attacker-controlled regular expression and certain JIT API usage, allows an out-of-bounds write with arbitrary data.

CVSS Base Scores

version 3.1