Summary
A security update has been released for a third-party scripting language runtime and its standard library to address multiple defects. The Ubuntu vulnerabilities affect markup parsing, an XML parser binding, cookie value handling, compression object reuse, a file transfer client module, and a helper that launches an external viewer. A remote attacker supplying untrusted input could potentially cause excessive resource consumption or a crash through unbounded recursion or malformed markup, inject arbitrary content into cookie values, trigger a use-after-free in a reused decompression object, or execute operating system commands through crafted addresses that are interpreted as command line options. The vendor has evaluated these issues against affected offerings and resolved them in the referenced maintenance release.
The following CVEs have been addressed:
CVE-2021-4189, CVE-2025-69534, CVE-2026-3644, CVE-2026-4224, CVE-2026-4519, CVE-2026-4786, and CVE-2026-6100.
Products not listed in the Impact Details section have not been evaluated. Furthermore, products that have exceeded any software maintenance time periods are also not evaluated and will not be published. Please consult End of Sale and End of Service Life - Extreme Networks for the EOL notices related to the product under question.
Products Potentially Affected
None
Impact Details
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OS/Product
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Exposure
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ExtremeAnalytics for Site Engine
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Yes
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ExtremeCloud IQ - Site Engine (XIQ-SE)
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Yes
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ExtremeControl for Site Engine
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Yes
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Repair Recommendations
ExtremeAnalytics for Site Engine:
- Fixed in 26.8.10 or later.
ExtremeCloud IQ - Site Engine (XIQ-SE):
- Fixed in 26.8.10 or later.
ExtremeControl for Site Engine:
- Fixed in 26.8.10 or later.
Please see the full Security Advisory here for more details and future updates.
