CVE-2026-58161: CWE-476 NULL Pointer Dereference in Apache Software Foundation Apache Traffic Server
CVE-2026-58161 is a high-severity vulnerability in Apache Traffic Server that causes the software to crash due to null pointer dereferences and dangling references during TLS and SNI handling. It affects versions from 8.0.0 through 8.1.9, 9.0.0 through 9.2.14, and 10.0.0 through 10.1.3. Upgrading to versions 9.2.15 or 10.1.4 resolves the issue.
AI Analysis
Technical Summary
Apache Traffic Server contains a vulnerability identified as CWE-476 (NULL Pointer Dereference) that can lead to crashes when processing TLS and Server Name Indication (SNI) data. This affects multiple version ranges: 8.0.0 to 8.1.9, 9.0.0 to 9.2.14, and 10.0.0 to 10.1.3. The vulnerability does not impact confidentiality or integrity but causes a denial of service due to application crashes. The vendor recommends upgrading to fixed versions 9.2.15 or 10.1.4 to mitigate the issue.
Potential Impact
The vulnerability results in denial of service by crashing Apache Traffic Server during TLS and SNI handling. There is no impact on confidentiality or integrity. No known exploits are reported in the wild at this time.
Mitigation Recommendations
Users should upgrade affected Apache Traffic Server versions to 9.2.15 or 10.1.4, which contain fixes for this vulnerability. Patch status is confirmed by vendor recommendations. No other mitigations are indicated.
CVE-2026-58161: CWE-476 NULL Pointer Dereference in Apache Software Foundation Apache Traffic Server
Description
CVE-2026-58161 is a high-severity vulnerability in Apache Traffic Server that causes the software to crash due to null pointer dereferences and dangling references during TLS and SNI handling. It affects versions from 8.0.0 through 8.1.9, 9.0.0 through 9.2.14, and 10.0.0 through 10.1.3. Upgrading to versions 9.2.15 or 10.1.4 resolves the issue.
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 vulnerability identified as CWE-476 (NULL Pointer Dereference) that can lead to crashes when processing TLS and Server Name Indication (SNI) data. This affects multiple version ranges: 8.0.0 to 8.1.9, 9.0.0 to 9.2.14, and 10.0.0 to 10.1.3. The vulnerability does not impact confidentiality or integrity but causes a denial of service due to application crashes. The vendor recommends upgrading to fixed versions 9.2.15 or 10.1.4 to mitigate the issue.
Potential Impact
The vulnerability results in denial of service by crashing Apache Traffic Server during TLS and SNI handling. There is no impact on confidentiality or integrity. No known exploits are reported in the wild at this time.
Mitigation Recommendations
Users should upgrade affected Apache Traffic Server versions to 9.2.15 or 10.1.4, which contain fixes for this vulnerability. Patch status is confirmed by vendor recommendations. No other mitigations are indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apache
- Date Reserved
- 2026-06-29T15:50:27.621Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a69c9f29c2644c7f8487e4a
Added to database: 07/29/2026, 09:37:54 UTC
Last enriched: 08/05/2026, 15:11:01 UTC
Last updated: 09/12/2026, 10:01:32 UTC
Views: 47
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