Firetruck

CVE-2023-4911

KEV
Updated Oct 14, 2026 · PUBLISHED
View KEV entry →

Description

GNU C Library's dynamic loader ld.so contains a buffer overflow vulnerability when processing the GLIBC_TUNABLES environment variable, allowing a local attacker to execute code with elevated privileges.

Full record on cve.org →

Affected packages

PackageVendor / ProductVersion rangeStatus
compat-glibcRed Hat / Red Hat Enterprise Linux 7any versionunknown
glibcRed Hat / Red Hat Enterprise Linux 7any versionunknown
glibcRed Hat / Red Hat Enterprise Linux 6any versionunknown
glibcRed Hat / Red Hat Enterprise Linux 8.6 Extended Update Support>= 0:2.28-189.6.el8_6, < *unaffected
glibcRed Hat / Red Hat Virtualization 4 for Red Hat Enterprise Linux 8>= 0:2.28-189.6.el8_6, < *unaffected
glibcRed Hat / Red Hat Enterprise Linux 8>= 0:2.28-225.el8_8.6, < *unaffected
glibcRed Hat / Red Hat Enterprise Linux 8>= 0:2.28-225.el8_8.6, < *unaffected
glibcRed Hat / Red Hat Enterprise Linux 9.0 Extended Update Support>= 0:2.34-28.el9_0.4, < *unaffected
glibcRed Hat / Red Hat Enterprise Linux 9>= 0:2.34-60.el9_2.7, < *unaffected
glibcRed Hat / Red Hat Enterprise Linux 9>= 0:2.34-60.el9_2.7, < *unaffected
glibc—>= 2.34, < 2.39affected
redhat-release-virtualization-hostRed Hat / Red Hat Virtualization 4 for Red Hat Enterprise Linux 8>= 0:4.5.3-10.el8ev, < *unaffected
redhat-virtualization-hostRed Hat / Red Hat Virtualization 4 for Red Hat Enterprise Linux 8>= 0:4.5.3-202312060823_8.6, < *unaffected
SIMATIC S7-1500 CPU 1518-4 PN/DP MFPSiemens / SIMATIC S7-1500 CPU 1518-4 PN/DP MFP>= V3.1.5, < *affected
SIMATIC S7-1500 CPU 1518-4 PN/DP MFPSiemens / SIMATIC S7-1500 CPU 1518-4 PN/DP MFP>= V3.1.5, < *affected
SIMATIC S7-1500 CPU 1518F-4 PN/DP MFPSiemens / SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP>= V3.1.5, < *affected
SIMATIC S7-1500 CPU 1518F-4 PN/DP MFPSiemens / SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP>= V3.1.5, < *affected
SIMATIC S7-1500 TM MFP - GNU/Linux subsystemSiemens / SIMATIC S7-1500 TM MFP - GNU/Linux subsystem>= 0, < V1.1affected
SIPLUS S7-1500 CPU 1518-4 PN/DP MFPSiemens / SIPLUS S7-1500 CPU 1518-4 PN/DP MFP>= V3.1.5, < *affected