# CVE-2026-58161

## Summary

- **CVE ID:** CVE-2026-58161
- **Severity:** CRITICAL
- **CVSS Score:** 9.2 (CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N)
- **CWE:** CWE-476
- **Published:** Jul 29, 2026
- **Last Modified:** Jul 29, 2026

## Description

Apache Traffic Server can crash from null dereferences and dangling references in TLS and SNI handling.

This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, 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 Products

- Apache Software Foundation — Apache Traffic Server (8.0.0)
- Apache Software Foundation — Apache Traffic Server (9.0.0)
- Apache Software Foundation — Apache Traffic Server (10.0.0)

## References

- [CNA](https://lists.apache.org/thread/5prl9glcm9g2swnq9hqxvnokylm1gr6d)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.44%
- **EPSS Percentile:** 37.7

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._