Linux · Security advisory · May 15, 2026
RHSA-2026:16799: Security update for 7 packages
RHSA-2026:16799, released May 15, 2026, fixes 2 CVEs across 7 products. None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
2
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0065
51st percentile
Priority of the 2 CVEs
Patch now 0
Urgent 0
High 2
Routine 0
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| krb5-devel | RHEL 8 | 0:1.18.2-34.el8_10 |
| krb5-libs | RHEL 8 | 0:1.18.2-34.el8_10 |
| krb5-pkinit | RHEL 8 | 0:1.18.2-34.el8_10 |
| krb5-server | RHEL 8 | 0:1.18.2-34.el8_10 |
| krb5-server-ldap | RHEL 8 | 0:1.18.2-34.el8_10 |
| krb5-workstation | RHEL 8 | 0:1.18.2-34.el8_10 |
| libkadm5 | RHEL 8 | 0:1.18.2-34.el8_10 |
CVEs this fix closes
| Priority | CVE | Title | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| High | CVE-2026-40355 | krb5-admin-server: In MIT Kerberos 5 (aka krb5) before 1.22.3, there is a NULL pointer dereference if an application calls gss_accept_se... | 7.5 | 0.0065 | None reported | |
| High | CVE-2026-40356 | krb5-admin-server: In MIT Kerberos 5 (aka krb5) before 1.22.3, there is an integer underflow and resultant out-of-bounds read if an appl... | 7.5 | 0.0060 | None reported |
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