Summary
ABB is aware of publicly reported information concerning recently disclosed PHP vulnerabilities that impact the product versions listed as affected in the advisory.
An attacker who successfully exploited this vulnerability may insert and run arbitrary code on affected products.
As part of ABB product lifecycle policy, once a product transitions to obsolete state, we discontinue maintenance, security patches, and technical support to focus on current and future technologies. While the product will continue to function, we strongly recommend implementing the mitigations de-fined in this document to reduce security risks.
Vulnerabilities 2
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Critical 9.2
RCE via OOM corruption
PHP uses longjmp() for out-of-memory (OOM) errors to exit the current context and abort handling of the request. Some contexts may not properly account for this scenario and leave request memory in an uninitialized state before performing an allocation. The s…
KEV Oct 26, 2026 -
Critical 9.2
RCE via stale global state
PHP has various global state that temporarily points into request memory. In some scenarios, global state may not be correctly reset, or may be repopulated after being reset. The global state may then refer to request memory even after it has been freed. Subs…
KEV Oct 26, 2026
Revision history
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#1
Initial version.
References
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ABB CYBERSECURITY ADVISORY - PDF version
https://search.abb.com/library/Download.aspx?DocumentID=2NGA003224&LanguageCode=en&DocumentPartId=pdf&Action=Launch
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1MRS758860 Rev. F, Arctic Cyber Security Deployment Guideline
https://search.abb.com/library/Download.aspx?DocumentID=1MRS758860&LanguageCode=en&DocumentPartId=&Action=Launch