CVE-2026-58164: CWE-416 Use After Free in Apache Software Foundation Apache Traffic Server
CVE-2026-58164 is a use-after-free and time-of-check/time-of-use vulnerability in Apache Traffic Server affecting remap configuration handling. It impacts versions from 8.0.0 through 8.1.9, 9.0.0 through 9.2.14, and 10.0.0 through 10.1.3. The vulnerability can cause availability impact but does not affect confidentiality or integrity. Users are advised to upgrade to versions 9.2.15 or 10.1.4 where the issue is fixed.
AI Analysis
Technical Summary
Apache Traffic Server contains a use-after-free and TOCTOU (time-of-check/time-of-use) error in the remap configuration handling component. This vulnerability affects versions 8.0.0 through 8.1.9, 9.0.0 through 9.2.14, and 10.0.0 through 10.1.3. The flaw can lead to a denial of service or crash due to improper memory handling. The vendor recommends upgrading to fixed versions 9.2.15 or 10.1.4 to remediate the issue.
Potential Impact
The vulnerability has a high severity with a CVSS score of 7.5, indicating a network exploitable flaw with no required privileges or user interaction. The impact is limited to availability (denial of service or crash). There is no impact on confidentiality or integrity according to the CVSS vector.
Mitigation Recommendations
Users should upgrade affected Apache Traffic Server installations to version 9.2.15 or 10.1.4, which contain fixes for this vulnerability. Patch status is confirmed by the vendor's recommendation to upgrade. No other mitigations are specified.
CVE-2026-58164: CWE-416 Use After Free in Apache Software Foundation Apache Traffic Server
Description
CVE-2026-58164 is a use-after-free and time-of-check/time-of-use vulnerability in Apache Traffic Server affecting remap configuration handling. It impacts versions from 8.0.0 through 8.1.9, 9.0.0 through 9.2.14, and 10.0.0 through 10.1.3. The vulnerability can cause availability impact but does not affect confidentiality or integrity. Users are advised to upgrade to versions 9.2.15 or 10.1.4 where the issue is fixed.
CVSS v3.1
Score 7.5high
Affected software
Apache Software Foundation
Apache Traffic Server
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
Apache Traffic Server contains a use-after-free and TOCTOU (time-of-check/time-of-use) error in the remap configuration handling component. This vulnerability affects versions 8.0.0 through 8.1.9, 9.0.0 through 9.2.14, and 10.0.0 through 10.1.3. The flaw can lead to a denial of service or crash due to improper memory handling. The vendor recommends upgrading to fixed versions 9.2.15 or 10.1.4 to remediate the issue.
Potential Impact
The vulnerability has a high severity with a CVSS score of 7.5, indicating a network exploitable flaw with no required privileges or user interaction. The impact is limited to availability (denial of service or crash). There is no impact on confidentiality or integrity according to the CVSS vector.
Mitigation Recommendations
Users should upgrade affected Apache Traffic Server installations to version 9.2.15 or 10.1.4, which contain fixes for this vulnerability. Patch status is confirmed by the vendor's recommendation to upgrade. No other mitigations are specified.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apache
- Date Reserved
- 2026-06-29T15:52:27.090Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a69c9f39c2644c7f8487e73
Added to database: 07/29/2026, 09:37:55 UTC
Last enriched: 08/05/2026, 15:11:53 UTC
Last updated: 09/12/2026, 22:01:35 UTC
Views: 47
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