CVE-2026-52834

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-52834", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-08T18:11:06.663Z", "datePublished": "2026-08-19T14:55:32.138Z", "dateUpdated": "2026-08-19T18:19:05.526Z"}, "containers": {"cna": {"title": "jxl-oxide: Out-of-bounds writes due to integer overflow in jxl-grid on 32-bit platforms", "problemTypes": [{"descriptions": [{"cweId": "CWE-122", "lang": "en", "description": "CWE-122: Heap-based Buffer Overflow", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-131", "lang": "en", "description": "CWE-131: Incorrect Calculation of Buffer Size", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-190", "lang": "en", "description": "CWE-190: Integer Overflow or Wraparound", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.3, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/tirr-c/jxl-oxide/security/advisories/GHSA-5pmv-rx8r-wmv5", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/tirr-c/jxl-oxide/security/advisories/GHSA-5pmv-rx8r-wmv5"}, {"name": "https://github.com/tirr-c/jxl-oxide/commit/3986dadd3926a95656a642e74a0702d52f5c92e2", "tags": ["x_refsource_MISC"], "url": "https://github.com/tirr-c/jxl-oxide/commit/3986dadd3926a95656a642e74a0702d52f5c92e2"}, {"name": "https://github.com/tirr-c/jxl-oxide/releases/tag/0.12.6", "tags": ["x_refsource_MISC"], "url": "https://github.com/tirr-c/jxl-oxide/releases/tag/0.12.6"}, {"name": "https://rustsec.org/advisories/RUSTSEC-2026-0151.html", "tags": ["x_refsource_MISC"], "url": "https://rustsec.org/advisories/RUSTSEC-2026-0151.html"}], "affected": [{"vendor": "tirr-c", "product": "jxl-oxide", "versions": [{"version": "< 0.12.6", "status": "affected"}]}, {"vendor": "tirr-c", "product": "jxl-grid", "versions": [{"version": "< 0.6.2", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-08-19T14:55:32.138Z"}, "descriptions": [{"lang": "en", "value": "jxl-oxide is a pure Rust implementation of a JPEG XL decoder. Prior to jxl-grid 0.6.2, decoding a crafted JPEG XL image on a 32-bit platform can overflow length calculations in AlignedGrid::with_alloc_tracker and related grid and subgrid arithmetic. A 65536 x 65536 frame can pass the frame-area limit while overflowing the usize element count, causing modular, VarDCT, or filter rendering paths to allocate a backing buffer smaller than the logical grid. A tiny bitstream-controlled cropped frame combined with a huge canvas or requested region can also reach the vulnerable composition path in crates/jxl-render/src/blend.rs through ordinary render_frame(). Later mutable subgrid and raw-pointer operations can then perform attacker-controlled out-of-bounds writes, causing memory corruption, denial of service, or arbitrary code execution. This issue is fixed in jxl-grid version 0.6.2."}], "source": {"advisory": "GHSA-5pmv-rx8r-wmv5", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-08-19T18:03:40.919161Z", "id": "CVE-2026-52834", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-19T18:19:05.526Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-52834", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-08-19T18:03:40.919161Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-19T18:03:42.004Z"}}], "cna": {"title": "jxl-oxide: Out-of-bounds writes due to integer overflow in jxl-grid on 32-bit platforms", "source": {"advisory": "GHSA-5pmv-rx8r-wmv5", "discovery": "UNKNOWN"}, "metrics": [{"cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 7.3, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:H", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}}], "affected": [{"vendor": "tirr-c", "product": "jxl-oxide", "versions": [{"status": "affected", "version": "< 0.12.6"}]}, {"vendor": "tirr-c", "product": "jxl-grid", "versions": [{"status": "affected", "version": "< 0.6.2"}]}], "references": [{"url": "https://github.com/tirr-c/jxl-oxide/security/advisories/GHSA-5pmv-rx8r-wmv5", "name": "https://github.com/tirr-c/jxl-oxide/security/advisories/GHSA-5pmv-rx8r-wmv5", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/tirr-c/jxl-oxide/commit/3986dadd3926a95656a642e74a0702d52f5c92e2", "name": "https://github.com/tirr-c/jxl-oxide/commit/3986dadd3926a95656a642e74a0702d52f5c92e2", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/tirr-c/jxl-oxide/releases/tag/0.12.6", "name": "https://github.com/tirr-c/jxl-oxide/releases/tag/0.12.6", "tags": ["x_refsource_MISC"]}, {"url": "https://rustsec.org/advisories/RUSTSEC-2026-0151.html", "name": "https://rustsec.org/advisories/RUSTSEC-2026-0151.html", "tags": ["x_refsource_MISC"]}], "descriptions": [{"lang": "en", "value": "jxl-oxide is a pure Rust implementation of a JPEG XL decoder. Prior to jxl-grid 0.6.2, decoding a crafted JPEG XL image on a 32-bit platform can overflow length calculations in AlignedGrid::with_alloc_tracker and related grid and subgrid arithmetic. A 65536 x 65536 frame can pass the frame-area limit while overflowing the usize element count, causing modular, VarDCT, or filter rendering paths to allocate a backing buffer smaller than the logical grid. A tiny bitstream-controlled cropped frame combined with a huge canvas or requested region can also reach the vulnerable composition path in crates/jxl-render/src/blend.rs through ordinary render_frame(). Later mutable subgrid and raw-pointer operations can then perform attacker-controlled out-of-bounds writes, causing memory corruption, denial of service, or arbitrary code execution. This issue is fixed in jxl-grid version 0.6.2."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-122", "description": "CWE-122: Heap-based Buffer Overflow"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-131", "description": "CWE-131: Incorrect Calculation of Buffer Size"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-190", "description": "CWE-190: Integer Overflow or Wraparound"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-08-19T14:55:32.138Z"}}}, "cveMetadata": {"cveId": "CVE-2026-52834", "state": "PUBLISHED", "dateUpdated": "2026-08-19T18:19:05.526Z", "dateReserved": "2026-06-08T18:11:06.663Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-08-19T14:55:32.138Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "jxl-oxide", "vendor": "tirr-c", "versions": [{"status": "affected", "version": "< 0.12.6"}]}, {"product": "jxl-grid", "vendor": "tirr-c", "versions": [{"status": "affected", "version": "< 0.6.2"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "jxl-oxide is a pure Rust implementation of a JPEG XL decoder. Prior to jxl-grid 0.6.2, decoding a crafted JPEG XL image on a 32-bit platform can overflow length calculations in AlignedGrid::with_alloc_tracker and related grid and subgrid arithmetic. A 65536 x 65536 frame can pass the frame-area limit while overflowing the usize element count, causing modular, VarDCT, or filter rendering paths to allocate a backing buffer smaller than the logical grid. A tiny bitstream-controlled cropped frame combined with a huge canvas or requested region can also reach the vulnerable composition path in crates/jxl-render/src/blend.rs through ordinary render_frame(). Later mutable subgrid and raw-pointer operations can then perform attacker-controlled out-of-bounds writes, causing memory corruption, denial of service, or arbitrary code execution. This issue is fixed in jxl-grid version 0.6.2."}, {"lang": "es", "value": "jxl-oxide es una implementaci\u00f3n pura en Rust de un decodificador JPEG XL. Antes de jxl-grid 0.6.2, la decodificaci\u00f3n de una imagen JPEG XL manipulada en una plataforma de 32 bits puede desbordar los c\u00e1lculos de longitud en AlignedGrid::with_alloc_tracker y la aritm\u00e9tica relacionada de cuadr\u00edculas y subcuadr\u00edculas. Un fotograma de 65536 x 65536 puede superar el l\u00edmite del \u00e1rea del fotograma mientras desborda el recuento de elementos usize, haciendo que las rutas de renderizado modular, VarDCT o de filtro asignen un b\u00fafer de respaldo m\u00e1s peque\u00f1o que la cuadr\u00edcula l\u00f3gica. Un fotograma recortado peque\u00f1o controlado por el flujo de bits combinado con un lienzo enorme o una regi\u00f3n solicitada tambi\u00e9n puede alcanzar la ruta de composici\u00f3n vulnerable en crates/jxl-render/src/blend.rs a trav\u00e9s de render_frame() ordinario. Operaciones posteriores de subcuadr\u00edcula mutable y puntero sin procesar pueden entonces realizar escrituras fuera de l\u00edmites controladas por el atacante, causando corrupci\u00f3n de memoria, denegaci\u00f3n de servicio o ejecuci\u00f3n de c\u00f3digo arbitrario. Este problema est\u00e1 solucionado en la versi\u00f3n 0.6.2 de jxl-grid."}], "id": "CVE-2026-52834", "lastModified": "2026-10-27T13:10:00.360", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.3, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:H", "version": "3.1"}, "exploitabilityScore": 1.4, "impactScore": 5.3, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-52834", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-08-19T18:03:40.919161Z", "version": "2.0.3"}}]}, "published": "2026-08-19T15:17:09.810", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/tirr-c/jxl-oxide/commit/3986dadd3926a95656a642e74a0702d52f5c92e2"}, {"source": "security-advisories@github.com", "url": "https://github.com/tirr-c/jxl-oxide/releases/tag/0.12.6"}, {"source": "security-advisories@github.com", "url": "https://github.com/tirr-c/jxl-oxide/security/advisories/GHSA-5pmv-rx8r-wmv5"}, {"source": "security-advisories@github.com", "url": "https://rustsec.org/advisories/RUSTSEC-2026-0151.html"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-122"}, {"lang": "en", "value": "CWE-131"}, {"lang": "en", "value": "CWE-190"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,0.6.2)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "jxl-grid", "source": "cna", "vendor": "tirr-c"}, "product": "jxl-grid", "vendor": "tirr-c"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,0.12.6)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "jxl-oxide", "source": "cna", "vendor": "tirr-c"}, "product": "jxl-oxide", "vendor": "tirr-c"}], "created": "2026-08-19T18:00:05.928654+00:00", "updated": "2026-08-20T15:45:03.421235+00:00", "vendors": ["tirr-c", "tirr-c$PRODUCT$jxl-grid", "tirr-c$PRODUCT$jxl-oxide"]}