CVE-2015-8982: Integer overflow in the strxfrm function in the GNU C Library (aka glibc or libc6) before 2.21 allows conte...

Security readout for executives and security teams

This is an old GNU C Library flaw where unusually long input to strxfrm could crash a process and may allow code execution. The practical risk depends on whether software exposes that library path to attacker-controlled strings. No source in the bundle shows active exploitation. Exposure is most likely on legacy Linux systems, containers, or appliances using glibc/libc6 versions before 2.21 without a vendor backport. Systems processing untrusted long strings through locale-aware sorting or transformation routines deserve closer review. Treat this as a legacy-platform hygiene risk with serious potential impact but limited exploitation evidence. Prioritize remediation where vulnerable glibc builds support exposed services, containers, or products processing untrusted text. Mitigation focus: Inventory glibc/libc6 versions across hosts, containers, and base images.; Apply supported distribution security updates for glibc/libc6.; Upgrade unsupported images or systems that remain on vulnerable library builds..

Prepared

Jun 13, 2026, 06:02 UTC (UTC+00:00)

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