CVE-2026-53531

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{"affected": [{"affectedData": [{"product": "RaTeX", "vendor": "erweixin", "versions": [{"status": "affected", "version": "< 0.1.11"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "RaTeX is a KaTeX-compatible math rendering engine written in Rust. Prior to version 0.1.11, RaTeX\u2019s recursive-descent parser recurses one (or more) native stack frame per nesting level at `{`, `\\left`, `\\sqrt{`, `^{`, etc, with no maximum depth limit. A short, ~10 KB input of nested groups overflows the 8 MB main-thread stack and aborts the process. With `panic = \"abort\"` (`Cargo.toml:48`), and because a Rust stack overflow is always a fatal `SIGABRT` regardless of panic strategy this is an unrecoverable, whole-process denial of service reachable from a single untrusted LaTeX string. Version 0.1.11 fixes the issue."}, {"lang": "es", "value": "RaTeX es un motor de renderizado de matem\u00e1ticas compatible con KaTeX escrito en Rust. Antes de la versi\u00f3n 0.1.11, el analizador descendente recursivo de RaTeX recurre a uno (o m\u00e1s) marcos de pila nativos por nivel de anidamiento en '{', '\\left', '\\sqrt{', '^{', etc., sin l\u00edmite m\u00e1ximo de profundidad. Una entrada corta de ~10 KB de grupos anidados causa un desbordamiento de pila en la pila del hilo principal de 8 MB y aborta el proceso. Con 'panic = \u201cabort\u201d' ('Cargo.toml:48'), y debido a que un desbordamiento de pila de Rust es siempre un 'SIGABRT' fatal independientemente de la estrategia de p\u00e1nico, esto es una denegaci\u00f3n de servicio de proceso completo e irrecuperable alcanzable desde una \u00fanica cadena LaTeX no confiable. La versi\u00f3n 0.1.11 corrige el problema."}], "id": "CVE-2026-53531", "lastModified": "2026-10-12T16:10:00.220", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.9, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/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", "version": "4.0", "vulnAvailabilityImpact": "LOW", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-53531", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-08-25T16:51:02.684429Z", "version": "2.0.3"}}]}, "published": "2026-08-21T22:16:39.737", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/erweixin/RaTeX/security/advisories/GHSA-4w5h-hx6r-28q7"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/erweixin/RaTeX/security/advisories/GHSA-4w5h-hx6r-28q7"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}, {"lang": "en", "value": "CWE-674"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,0.1.11)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "RaTeX", "source": "cna", "vendor": "erweixin"}, "product": "ratex", "vendor": "erweixin"}], "created": "2026-08-21T22:30:17.626779+00:00", "updated": "2026-08-23T16:40:21.146914+00:00", "vendors": ["erweixin", "erweixin$PRODUCT$ratex"]}