CVE-2026-58179

The Apache Traffic Server regex_remap plugin overflows the stack and integers from substitution input. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, 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 8.1 HIGH

8.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://lists.apache.org/thread/5prl9glcm9g2swnq9hqxvnokylm1gr6d	Mailing List Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:apache:traffic_server::::::::
	cpe:2.3:a:apache:traffic_server::::::::
	cpe:2.3:a:apache:traffic_server::::::::

History

01 Oct 2026, 18:17

Type	Values Removed	Values Added
Summary	(en) The Apache Traffic Server regex_remap plugin overflows the stack and integers from substitution input. 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.	(en) The Apache Traffic Server regex_remap plugin overflows the stack and integers from substitution input. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, 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.

Information

Published : 2026-07-29 10:16

Updated : 2026-10-01 18:17

NVD link : CVE-2026-58179

Mitre link : CVE-2026-58179

CVE.ORG link : CVE-2026-58179

JSON object : View

Products Affected

apache

traffic_server

CWE

CWE-121

Stack-based Buffer Overflow

{"id": "CVE-2026-58179", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-58179", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-07-29T00:00:00+00:00"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security@apache.org", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.2}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}], "cvssMetricV40": [{"type": "Secondary", "source": "security@apache.org", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 9.2, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "security@apache.org", "affectedData": [{"vendor": "Apache Software Foundation", "product": "Apache Traffic Server", "versions": [{"status": "affected", "version": "8.0.0", "versionType": "semver", "lessThanOrEqual": "8.1.11"}, {"status": "affected", "version": "9.0.0", "versionType": "semver", "lessThanOrEqual": "9.2.14"}, {"status": "affected", "version": "10.0.0", "versionType": "semver", "lessThanOrEqual": "10.1.3"}], "defaultStatus": "unaffected"}]}], "published": "2026-07-29T10:16:42.803", "references": [{"url": "https://lists.apache.org/thread/5prl9glcm9g2swnq9hqxvnokylm1gr6d", "tags": ["Mailing List", "Vendor Advisory"], "source": "security@apache.org"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "security@apache.org", "description": [{"lang": "en", "value": "CWE-121"}]}], "descriptions": [{"lang": "en", "value": "The Apache Traffic Server regex_remap plugin overflows the stack and integers from substitution input.\n\n\n\nThis issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.\n\n\n\nUsers are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue."}], "lastModified": "2026-10-01T18:17:25.070", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:apache:traffic_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "794DDF59-947A-46A0-8F3A-787F41907189", "versionEndIncluding": "8.1.9", "versionStartIncluding": "8.0.0"}, {"criteria": "cpe:2.3:a:apache:traffic_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "263419B0-B760-4418-AC91-C767EB703313", "versionEndExcluding": "9.2.15", "versionStartIncluding": "9.0.0"}, {"criteria": "cpe:2.3:a:apache:traffic_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "487610D4-99FD-4870-8976-03A8BC081A49", "versionEndExcluding": "10.1.4", "versionStartIncluding": "10.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "security@apache.org"}