Paper/Archive/CVE-2026-58163

CVE-2026-58163

Apache Software Foundation Apache Traffic Server — Apache Traffic Server: Cache deserialization and lifetime errors can corrupt state or crash the server

EPSS 0.7%CVSS 9.1

critical.is priorityof 100

CVSS 9.1 (NVD)9.1 / 10 × 3027.3 Not in CISA KEV+300.0 EPSS percentile 53.0.530 × 2010.6 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

Apache Traffic Server mishandles on-disk cache fields and object lifetimes, corrupting state or crashing. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.

Affected

ProductAffectedFixed inSource

Apache Traffic Server8.0.0 – 8.1.11–CNA

Apache Traffic Server9.0.0 – 9.2.14–CNA

Apache Traffic Server10.0.0 – 10.1.3–CNA

Scores by source

NVD9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

apache (CNA)8.3CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N

apache (CNA)7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: partial

References

advisorylists.apache.org/thread/5prl9glcm9g2swnq9hqxvnokylm1gr6d