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Description

In PHP versions 8.2.* before 8.2.31, 8.3.* before 8.3.31, 8.4.* before 8.4.21, and 8.5.* before 8.5.6, when a SOAP server has a typemap configured, the decoding process contains a mistake which checks the wrong variable in case of missing value element. This leads to dereferences a NULL pointer, causing a segmentation fault. This allows a remote unauthenticated attacker to crash the PHP SOAP server process, resulting in denial of service.

PUBLISHED Reserved 2026-04-28 | Published 2026-05-10 | Updated 2026-05-10 | Assigner php




LOW: 2.9CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/AU:Y/RE:M/U:Amber

Problem types

CWE-476 NULL pointer dereference

Product status

Default status
affected

8.2.* (semver) before 8.2.31
affected

8.3.* (semver) before 8.3.31
affected

8.4.* (semver) before 8.4.21
affected

8.5.* (semver) before 8.5.6
affected

Credits

Ilia Alshanetsky reporter

Ilija Tovilo remediation developer

References

github.com/...hp-src/security/advisories/GHSA-hmxp-6pc4-f3vv vendor-advisory

cve.org (CVE-2026-7262)

nvd.nist.gov (CVE-2026-7262)

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