CVE-2026-58154: CWE-787 Out-of-bounds Write in Apache Software Foundation Apache Traffic Server
Apache Traffic Server can write out of bounds or overflow integers while parsing MIME and HTTP headers. 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-2026-58154 is an out-of-bounds write vulnerability (CWE-787) in Apache Traffic Server affecting 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 occurs during the parsing of MIME and HTTP headers, where the software may write outside allocated memory bounds or overflow integer values. This can lead to memory corruption with potential impacts on confidentiality, integrity, and availability. The vulnerability has a CVSS 3.1 base score of 8.9, indicating high severity. The vendor recommends upgrading to fixed versions 9.2.15 or 10.1.4 to remediate the issue.
Potential Impact
Successful exploitation can cause memory corruption due to out-of-bounds writes and integer overflows during header parsing. The CVSS vector indicates network attack vector with high impact on integrity and availability and low impact on confidentiality. This could allow an attacker to disrupt service or potentially execute arbitrary code.
Mitigation Recommendations
Users should upgrade affected Apache Traffic Server installations to versions 9.2.15 or 10.1.4, which contain fixes for this vulnerability. No other official remediation or temporary fixes are documented. Patch status is confirmed by the vendor's version recommendations.
CVE-2026-58154: CWE-787 Out-of-bounds Write in Apache Software Foundation Apache Traffic Server
Description
Apache Traffic Server can write out of bounds or overflow integers while parsing MIME and HTTP headers. 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 8.9high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-58154 is an out-of-bounds write vulnerability (CWE-787) in Apache Traffic Server affecting 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 occurs during the parsing of MIME and HTTP headers, where the software may write outside allocated memory bounds or overflow integer values. This can lead to memory corruption with potential impacts on confidentiality, integrity, and availability. The vulnerability has a CVSS 3.1 base score of 8.9, indicating high severity. The vendor recommends upgrading to fixed versions 9.2.15 or 10.1.4 to remediate the issue.
Potential Impact
Successful exploitation can cause memory corruption due to out-of-bounds writes and integer overflows during header parsing. The CVSS vector indicates network attack vector with high impact on integrity and availability and low impact on confidentiality. This could allow an attacker to disrupt service or potentially execute arbitrary code.
Mitigation Recommendations
Users should upgrade affected Apache Traffic Server installations to versions 9.2.15 or 10.1.4, which contain fixes for this vulnerability. No other official remediation or temporary fixes are documented. Patch status is confirmed by the vendor's version recommendations.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apache
- Date Reserved
- 2026-06-29T15:34:55.761Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a69bbd69c2644c7f835ad2c
Added to database: 07/29/2026, 08:37:42 UTC
Last enriched: 07/29/2026, 10:07:33 UTC
Last updated: 07/29/2026, 22:32:19 UTC
Views: 10
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