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8.1 High

CVE-2026-17544 Attacker-provided inputs to bccomp() could lead to an out-of-bounds write with stack and heap corruption in PHP versions…

Description

Attacker-provided inputs to bccomp() could lead to an out-of-bounds write with stack and heap corruption in PHP versions from 8.4.* before 8.4.24 and from 8.5.* before 8.5.9.

Affected products and versions

Product Affected versions Fixed in
PHP 8.5 earliest → < 8.5.9 8.5.9
PHP 8.4 earliest → < 8.4.24 8.4.24

References

Timeline

  1. Published
  2. Last modified

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