CVE-2016-9427: Integer overflow vulnerability in bdwgc before 2016-09-27 allows attackers to cause client of bdwgc denial...

Security readout for executives and security teams

CVE-2016-9427 is an integer overflow in bdwgc/libgc before 2016-09-27. A very large allocation can crash software that uses the library, and the CVE description says arbitrary code execution may be possible. Public sources here do not provide severity scoring or proof of exploitation. Exposure is indirect: applications or packages that embed or dynamically link vulnerable bdwgc/libgc may be affected. Prioritize internet-facing or file-parsing software where untrusted input can influence unusually large allocations. Handle during normal vulnerability remediation unless the vulnerable library is used by exposed services processing untrusted data. Escalate those cases because the confirmed impact is service crash and the source description leaves possible code execution unresolved. Mitigation focus: Update bdwgc/libgc packages to vendor-fixed versions.; Confirm builds include changes after the 2016-09-27 fix point.; Prioritize exposed applications that process untrusted content..

Prepared

Jun 13, 2026, 13:16 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.