CVE-2026-58164: CWE-416 Use After Free in Apache Software Foundation Apache Traffic Server
Apache Traffic Server has use-after-free and time-of-check/time-of-use errors in remap configuration 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.
AI Analysis
Technical Summary
CVE-2026-58164 describes a use-after-free and time-of-check/time-of-use (TOCTOU) vulnerability in Apache Traffic Server's remap configuration handling. The flaw exists in versions 8.0.0 through 8.1.9, 9.0.0 through 9.2.14, and 10.0.0 through 10.1.3. This memory management error can lead to application crashes, resulting in denial of service. The vulnerability has a CVSS 3.1 base score of 7.5, indicating high severity with network attack vector, low attack complexity, no privileges required, no user interaction, and impact limited to availability. The vendor recommends upgrading to fixed versions 9.2.15 or 10.1.4 to remediate the issue.
Potential Impact
The vulnerability can cause denial of service by crashing the Apache Traffic Server process due to use-after-free and TOCTOU errors. There is no indication of confidentiality or integrity impact. No known exploits in the wild have been reported.
Mitigation Recommendations
Users should upgrade Apache Traffic Server to version 9.2.15 or 10.1.4 or later, as these versions contain fixes for this vulnerability. Patch status is confirmed by the vendor's advisory recommending these versions. No other mitigation or temporary workaround is indicated.
CVE-2026-58164: CWE-416 Use After Free in Apache Software Foundation Apache Traffic Server
Description
Apache Traffic Server has use-after-free and time-of-check/time-of-use errors in remap configuration 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.
CVSS v3.1
Score 7.5high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-58164 describes a use-after-free and time-of-check/time-of-use (TOCTOU) vulnerability in Apache Traffic Server's remap configuration handling. The flaw exists in versions 8.0.0 through 8.1.9, 9.0.0 through 9.2.14, and 10.0.0 through 10.1.3. This memory management error can lead to application crashes, resulting in denial of service. The vulnerability has a CVSS 3.1 base score of 7.5, indicating high severity with network attack vector, low attack complexity, no privileges required, no user interaction, and impact limited to availability. The vendor recommends upgrading to fixed versions 9.2.15 or 10.1.4 to remediate the issue.
Potential Impact
The vulnerability can cause denial of service by crashing the Apache Traffic Server process due to use-after-free and TOCTOU errors. There is no indication of confidentiality or integrity impact. No known exploits in the wild have been reported.
Mitigation Recommendations
Users should upgrade Apache Traffic Server to version 9.2.15 or 10.1.4 or later, as these versions contain fixes for this vulnerability. Patch status is confirmed by the vendor's advisory recommending these versions. No other mitigation or temporary workaround is indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apache
- Date Reserved
- 2026-06-29T15:52:27.090Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a69c9f39c2644c7f8487e73
Added to database: 07/29/2026, 09:37:55 UTC
Last enriched: 07/29/2026, 10:25:10 UTC
Last updated: 07/30/2026, 02:31:15 UTC
Views: 10
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