Red Hat Security Advisory

RHSA-2026:20587

glibc security update

Released 2026-05-26 · Red Hat rating Moderate · View on Red Hat →

Fixed in

Red Hat Enterprise Linux AppStream (v. 8) compat-libpthread-nonshared-2.28-251.el8_10.37, glibc-utils-2.28-251.el8_10.37
Red Hat Enterprise Linux BaseOS (v. 8) glibc-2.28-251.el8_10.37, glibc-all-langpacks-2.28-251.el8_10.37, glibc-common-2.28-251.el8_10.37 +47
Red Hat Enterprise Linux CRB (v. 8) glibc-benchtests-2.28-251.el8_10.37, glibc-nss-devel-2.28-251.el8_10.37, glibc-static-2.28-251.el8_10.37 +1

Fixes 1 record

TI-2026-03505 CVE-2026-4046 · GHSA-g7c4-wv7q-gcc6

iconv crash due to assertion failure with untrusted input

HIGH 72

The iconv() function in the GNU C Library versions 2.43 and earlier may crash due to an assertion failure when converting inputs from the IBM1390 or IBM1399 character sets, which may be used to remotely crash an applicat…

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.00389 Published 2026-03-30 Partial fix CWE-617