CVE-2026-43871

Loop with Unreachable Exit Condition ('Infinite Loop') vulnerability in Apache Thrift Python, Go, PHP and Java bindings.This issue affects Apache Thrift: before 0.24.0. Users are recommended to upgrade to version 0.24.0, which fixes the issue.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://lists.apache.org/thread/7v3jhgwfbmhx42424phydlnzb109g8b9	Release Notes
https://lists.apache.org/thread/l4dwf14zbyqsmkc28c99ojj3t3gg9qby	Vendor Advisory
http://www.openwall.com/lists/oss-security/2026/07/24/33	Mailing List Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:apache:thrift:*:*:*:*:*:*:*:*

History

27 Jul 2026, 19:51

Type	Values Removed	Values Added
References	~~() https://lists.apache.org/thread/7v3jhgwfbmhx42424phydlnzb109g8b9 -~~	() https://lists.apache.org/thread/7v3jhgwfbmhx42424phydlnzb109g8b9 - Release Notes
References	~~() https://lists.apache.org/thread/l4dwf14zbyqsmkc28c99ojj3t3gg9qby -~~	() https://lists.apache.org/thread/l4dwf14zbyqsmkc28c99ojj3t3gg9qby - Vendor Advisory
References	~~() http://www.openwall.com/lists/oss-security/2026/07/24/33 -~~	() http://www.openwall.com/lists/oss-security/2026/07/24/33 - Mailing List, Third Party Advisory
CPE		cpe:2.3:a:apache:thrift::::::::
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 7.5
First Time		Apache Apache thrift

27 Jul 2026, 12:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-07-27 12:16

Updated : 2026-07-27 19:51

NVD link : CVE-2026-43871

Mitre link : CVE-2026-43871

CVE.ORG link : CVE-2026-43871

JSON object : View

Products Affected

apache

thrift

CWE

CWE-835

Loop with Unreachable Exit Condition ('Infinite Loop')

{"id": "CVE-2026-43871", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-43871", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-27T13:01:27.166234Z"}}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}], "cvssMetricV40": [{"type": "Secondary", "source": "security@apache.org", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 8.7, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/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": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "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 Thrift", "versions": [{"status": "affected", "version": "0", "lessThan": "0.24.0", "versionType": "semver"}], "packageName": "thrift", "collectionURL": "https://pypi.python.org", "defaultStatus": "unaffected"}, {"vendor": "Apache Software Foundation", "product": "Apache Thrift", "versions": [{"status": "affected", "version": "0", "lessThan": "0.24.0", "versionType": "semver"}], "packageName": "github.com/apache/thrift", "collectionURL": "https://proxy.golang.org", "defaultStatus": "unaffected"}, {"vendor": "Apache Software Foundation", "product": "Apache Thrift", "versions": [{"status": "affected", "version": "0", "lessThan": "0.24.0", "versionType": "semver"}], "packageName": "apache/thrift", "collectionURL": "https://packagist.org", "defaultStatus": "unaffected"}, {"vendor": "Apache Software Foundation", "product": "Apache Thrift", "versions": [{"status": "affected", "version": "0", "lessThan": "0.24.0", "versionType": "semver"}], "packageName": "org.apache.thrift:libthrift", "collectionURL": "https://repo.maven.apache.org/maven2", "defaultStatus": "unaffected"}]}], "published": "2026-07-27T12:16:44.413", "references": [{"url": "https://lists.apache.org/thread/7v3jhgwfbmhx42424phydlnzb109g8b9", "tags": ["Release Notes"], "source": "security@apache.org"}, {"url": "https://lists.apache.org/thread/l4dwf14zbyqsmkc28c99ojj3t3gg9qby", "tags": ["Vendor Advisory"], "source": "security@apache.org"}, {"url": "http://www.openwall.com/lists/oss-security/2026/07/24/33", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security@apache.org", "description": [{"lang": "en", "value": "CWE-835"}]}], "descriptions": [{"lang": "en", "value": "Loop with Unreachable Exit Condition ('Infinite Loop') vulnerability in Apache Thrift Python, Go, PHP and Java bindings.This issue affects Apache Thrift: before 0.24.0.\n\nUsers are recommended to upgrade to version 0.24.0, which fixes the issue."}], "lastModified": "2026-07-27T19:51:36.197", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:apache:thrift:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D4BC4964-13B2-4F51-8357-029729215133", "versionEndExcluding": "0.24.0"}], "operator": "OR"}]}], "sourceIdentifier": "security@apache.org"}