CVE-2012-0864: Integer overflow in the vfprintf function in stdio-common/vfprintf.c in glibc 2.14 and other versions allow...

Security readout for executives and security teams

CVE-2012-0864 is a glibc printing-function flaw that can weaken FORTIFY_SOURCE protections. In applications that expose the vulnerable behavior, an attacker may be able to turn format-string misuse into arbitrary memory writes. The business concern is mainly legacy Linux systems or embedded/server images still carrying affected glibc packages. Exposure is most plausible on old Linux distributions, appliances, containers, or statically bundled runtimes using affected glibc versions. Modern maintained distributions are likely patched, but the source bundle does not provide a complete affected-version matrix. Treat this as a legacy exposure verification item. It becomes urgent where old Linux systems process untrusted data or remain externally reachable. For fully patched, supported operating systems, residual risk is likely low based on the provided sources. Mitigation focus: Inventory systems and images using glibc 2.14-era packages or vendor-fixed package streams.; Apply relevant vendor glibc security updates, including Red Hat advisories where applicable.; Rebuild containers, appliances, and statically linked artifacts after updating base operating system packages..

Prepared

Jun 14, 2026, 22:07 UTC (UTC+00:00)

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