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Red Hat Security Advisory

RHSA-2026:22634

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Released 2026-06-02 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 13 records

Priority 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
Priority HIGH 66

In MIT Kerberos 5 (aka krb5) before 1.22.3, there is a NULL pointer dereference if an application calls gss_accept_sec_context() on a system with a NegoEx mechanism registered in /etc/gss/mech.

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.00645 Published 2026-04-28 Partial fix · 1.22.3 CWE-476
Priority MEDIUM 41

Issue summary: Applications using RSASVE key encapsulation to establish a secret encryption key can send contents of an uninitialized memory buffer to a malicious peer.

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.01049 Published 2026-04-07 Partial fix · 3.6.2, 3.5.6 +3 CWE-754
Priority LOW 39

Calling gethostbyaddr or gethostbyaddr_r with a configured nsswitch.conf that specifies the library's DNS backend in the GNU C Library version 2.34 to version 2.43 could, with a crafted response from the configured DNS s…

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.00345 Published 2026-03-20 Partial fix CWE-125
TI-2026-29131 CVE-2026-40356 · GHSA-f7p3-6rhj-p7jv

Integer underflow in moos-ivp Kerberos 5

Priority LOW 34

In MIT Kerberos 5 (aka krb5) before 1.22.3, there is an integer underflow and resultant out-of-bounds read if an application calls gss_accept_sec_context() on a system with a NegoEx mechanism registered in /etc/gss/mech.

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.00604 Published 2026-04-28 Partial fix · 1.22.3 CWE-191
Priority LOW 24

systemd, a system and service manager, (as PID 1) hits an assert and freezes execution when an unprivileged IPC API call is made with spurious data.

CVSS 3.1MEDIUM 5.5 Local Low privileges No interaction EPSS 0.00126 Published 2026-03-23 Partial fix · 257.11, 258.5 +1 CWE-269
Priority LOW 24

Calling gethostbyaddr or gethostbyaddr_r with a configured nsswitch.conf that specifies the library's DNS backend in the GNU C library version 2.34 to version 2.43 could result in an invalid DNS hostname being returned t…

CVSS 3.1MEDIUM 5.4 Adjacent network No auth No interaction EPSS 0.00314 Published 2026-03-20 Partial fix CWE-20