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CVE-2026-58175 Apache CVE debrief

Apache Traffic Server leaks memory when handling HostDB SRV records. 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. The vulnerability could lead to performance issues or crashes if exploited. Defenders should review official CVE records, assess deployments for exposure, and prioritize upgrading to fixed versions while monitoring for memory leak issues.

Vendor
Apache
Product
Traffic Server
CVSS
HIGH 8.2
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-29
Original CVE updated
2026-07-31
Advisory published
2026-07-29
Advisory updated
2026-07-31

Who should care

Users of Apache Traffic Server versions 8.0.0 through 8.1.9, 9.0.0 through 9.2.14, and 10.0.0 through 10.1.3 should be aware of this memory leak vulnerability and take steps to upgrade to a fixed version. This includes operators, platform administrators, vulnerability management teams, and security teams who need to assess their deployments for potential exposure and plan for remediation.

Technical summary

The CVE record describes a memory leak vulnerability in Apache Traffic Server when handling HostDB SRV records. The vulnerability affects multiple versions of Apache Traffic Server, including 8.0.0 through 8.1.9, 9.0.0 through 9.2.14, and 10.0.0 through 10.1.3. The recommended solution is to upgrade to version 9.2.15 or 10.1.4. This vulnerability could lead to performance issues or crashes if exploited. Users should prioritize upgrading to a fixed version and monitor for potential memory leak issues.

Defensive priority

Upgrade to version 9.2.15 or 10.1.4.

Recommended defensive actions

  • Upgrade to version 9.2.15 or 10.1.4.
  • Inventory and verify affected Apache Traffic Server versions.
  • Monitor for potential memory leak issues.
  • Review compensating controls for exposed systems while remediation is scheduled and verified.
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review.
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented.
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.

Evidence notes

The CVE record indicates that Apache Traffic Server leaks memory when handling HostDB SRV records. Affected versions include 8.0.0 through 8.1.9, 9.0.0 through 9.2.14, and 10.0.0 through 10.1.3. To verify, defenders should review the official CVE record and assess their deployments for potential exposure. This memory leak vulnerability could lead to performance issues or crashes if exploited. Users should prioritize upgrading to a fixed version, such as 9.2.15 or 10.1.4, and monitor for potential memory leak issues.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-58175 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-58175

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-58175 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-58175

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.