CRITICAL 9.8 Microsoft PoC

CVE-2022-25315

In Expat (aka libexpat) before 2.4.5 there is an integer overflow in storeRawNames.

Microsoft Security Update 2022-Feb: In Expat (aka libexpat) before 2.4.5 there is an integer overflow in storeRawNames.

Affected Products

References

Published: 2022-02-08 · Source: Microsoft · Feed updated: 2026-09-07
This critical severity vulnerability with a CVSS score of 9.8 was published on 2022-02-08 via Microsoft. 🚨 A public proof-of-concept exploit is available on GitHub. Affected: cm1 expat 2.4.6-1 on CBL Mariner 1.0, cbl2 expat 2.4.8-1 on CBL Mariner 2.0.

Risk Timeline

CVE Disclosed2022-02-08 · 1671 days ago
Public PoC Exploit AvailableWeaponised proof-of-concept code is publicly accessible

Remediation Resources

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