Kerberos 5 (aka krb5) 1.21.2 contains a memory leak in /krb5/src/lib/rpc/pmap_rmt.c.
Conclusion & alert: CVE-2024-26458 is rated Exploit Available (53.1/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.25%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-03-16 | 0.15% | 0.25% | +0.10% |
| 2 | 2025-06-15 | 0.06% | 0.15% | +0.09% |
| 3 | 2025-03-30 | — | 0.06% | — |
Full EPSS history (7 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.3 | 3.1 | MEDIUM |
|
3.9 | 1.4 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
unimportant | CVE-2024-26458 unimportant priority: Debian including 1 source packages (krb5), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): open 5. | https://security-tracker.debian.org/tracker/CVE-2024-26458 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2024-26458 |
suse
|
high | CVE-2024-26458 severity important: SUSE including 397 source package names (1.2.3-2.2.132:krb5-1.19.2-150400.3.9.1, 1.2.3-3.2.153:krb5-1.19.2-150400.3.9.1, …), 874 product×package rows across 266 product lines (Container bci/bci-init, Container bci/bci-sle15-kernel-module-devel, … (266 product lines)): Fixed 655, Known Affected 200, Known Not Affected 19. | https://www.suse.com/security/cve/CVE-2024-26458/ |
ubuntu
|
negligible | CVE-2024-26458 negligible priority: Ubuntu including 1 source packages (krb5), 11 status rows across 11 suites (bionic, focal, jammy, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): released 6, needed 3, ignored 1, needs-triage 1. | https://ubuntu.com/security/CVE-2024-26458 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| mit | kerberos_5 | 1.21.2 | cpe:2.3:a:mit:kerberos_5:1.21.2:*:*:*:*:*:*:* |
| netapp | active_iq_unified_manager | — | cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:* |
| netapp | cloud_volumes_ontap_mediator | — | cpe:2.3:a:netapp:cloud_volumes_ontap_mediator:-:*:*:*:*:*:*:* |
| netapp | management_services_for_element_software_and_netapp_hci | — | cpe:2.3:a:netapp:management_services_for_element_software_and_netapp_hci:-:*:*:*:*:*:*:* |
| netapp | ontap_9 | — | cpe:2.3:a:netapp:ontap_9:-:*:*:*:*:*:*:* |
| netapp | ontap_select_deploy_administration_utility | — | cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:* |
| netapp | h610c_firmware | — | cpe:2.3:o:netapp:h610c_firmware:-:*:*:*:*:*:*:* |
| netapp | h610s_firmware | — | cpe:2.3:o:netapp:h610s_firmware:-:*:*:*:*:*:*:* |
| netapp | h615c_firmware | — | cpe:2.3:o:netapp:h615c_firmware:-:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://github.com/LuMingYinDetect/krb5_defects/blob/main/krb5_detect_1.md | Exploit |
| https://security.netapp.com/advisory/ntap-20240415-0010/ | Third Party Advisory |