CVE-2011-1658: ld.so in the GNU C Library (aka glibc or libc6) 2.13 and earlier expands the $ORIGIN dynamic string token w...

Security readout for executives and security teams

This is an old glibc dynamic loader issue that could let a local user gain higher privileges only under a narrow condition: a setuid or setgid program must use an RPATH made solely of $ORIGIN. The CVE notes standard operating-system distributions were not expected to ship such a program. Exposure is most plausible on legacy systems, appliances, or custom software using glibc/libc6 2.13 or earlier and containing setuid/setgid dynamic binaries with RPATH exactly $ORIGIN. The source bundle does not identify broadly affected standard OS packages. Treat as a targeted legacy exposure issue, not an internet-wide emergency. Prioritize environments with old Linux stacks, virtualization appliances, or custom privileged binaries. The business urgency rises if legacy systems allow untrusted local users or shared shell access. Mitigation focus: Check vendor advisories for legacy glibc/libc6 guidance before changing production systems.; Apply relevant OS, appliance, or platform updates where vendor guidance names this CVE.; Remove unnecessary setuid or setgid permissions from custom binaries where operationally safe..

Prepared

Jun 24, 2026, 13:28 UTC (UTC+00:00)

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