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CVE-2026-58175: CWE-401 Missing Release of Memory after Effective Lifetime in Apache Software Foundation Apache Traffic Server

0
High
VulnerabilityCVE-2026-58175cvecve-2026-58175cwe-401
Published: 07/29/2026 (07/29/2026, 08:41:50 UTC)
Source: CVE Database V5
Vendor/Project: Apache Software Foundation
Product: Apache Traffic Server

Description

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 contain a memory leak vulnerability when handling HostDB SRV records. This issue is identified as CWE-401, indicating missing release of memory after its effective lifetime. The vulnerability has a high severity with a CVSS score of 7.5 and impacts availability due to memory exhaustion. Upgrading to versions 9.2.15 or 10.1.4 addresses this issue.

CVSS v3.1

Score 7.5high

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected software

Apache Software Foundation

Apache Traffic Server

Affected versions
>=8.0.0 <=8.1.9>=9.0.0 <=9.2.14>=10.0.0 <=10.1.3

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 08/05/2026, 15:12:11 UTC

Technical Analysis

CVE-2026-58175 is a memory leak vulnerability in Apache Traffic Server related to improper handling of 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. The flaw causes memory to not be released after its effective lifetime, leading to resource exhaustion that can degrade or disrupt service availability. The vulnerability does not impact confidentiality or integrity. No known exploits are reported in the wild. The vendor recommends upgrading to fixed versions 9.2.15 or 10.1.4 to remediate the issue.

Potential Impact

The vulnerability causes a memory leak that can lead to denial of service by exhausting system memory resources. There is no impact on confidentiality or integrity. The high CVSS score reflects the potential for service disruption due to resource exhaustion.

Mitigation Recommendations

Users should upgrade Apache Traffic Server to version 9.2.15 or 10.1.4, which contain fixes for this memory leak vulnerability. Patch status is confirmed by the vendor's recommended upgrade versions. No other mitigations are specified.

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Technical Details

Data Version
5.2
Assigner Short Name
apache
Date Reserved
2026-06-29T16:23:38.554Z
Cvss Version
3.1
State
PUBLISHED

Threat ID: 6a69c9f39c2644c7f8487e76

Added to database: 07/29/2026, 09:37:55 UTC

Last enriched: 08/05/2026, 15:12:11 UTC

Last updated: 09/12/2026, 22:01:35 UTC

Views: 54

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