Mmastodon TechnologyCybersecurity first seen 5 d ago, last 5 d ago, peak #9

Expat vulnerability flagged over compiler-removed overflow protection

Original: 🚨 EUVD-2016-5459 📊 Score: n/a 📅 Published: 2016-06-30 | Updated: 2026-10-08 📝 The overflow protection in Expat is remove

A vulnerability catalogue entry, EUVD-2016-5459, describes a flaw in the Expat XML parsing library: compilers using certain optimization settings remove the library's overflow protection, which could let remote attackers crash applications or potentially execute arbitrary code through crafted input. The advisory was first published in June 2016 and recently updated. Security teams tracking Expat dependencies are being urged to review their build configurations and patch levels.

Why now: The advisory record was recently updated, prompting renewed attention to a known Expat security flaw.

ExpatEUVD-2016-5459

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Evidence

• 🚨 EUVD-2016-5459 📊 Score: n/a 📅 Published: 2016-06-30 | Updated: 2026-10-08 📝 The overflow protection in Expat is removed by compilers with certain optimization settings, which allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via… · EUVD_Bot

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