{"id":"EUVD-2026-62513","enisaUuid":"19adfd3f-e241-3c68-a82f-a011096da035","description":"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.","datePublished":"Aug 19, 2026, 2:55:32 PM","dateUpdated":"Aug 19, 2026, 6:19:05 PM","baseScore":7.3,"baseScoreVersion":"3.1","baseScoreVector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:H","references":"https://github.com/tirr-c/jxl-oxide/security/advisories/GHSA-5pmv-rx8r-wmv5\nhttps://github.com/tirr-c/jxl-oxide/commit/3986dadd3926a95656a642e74a0702d52f5c92e2\nhttps://github.com/tirr-c/jxl-oxide/releases/tag/0.12.6\nhttps://rustsec.org/advisories/RUSTSEC-2026-0151.html\n","aliases":"CVE-2026-52834\nGHSA-5pmv-rx8r-wmv5\n","assigner":"GitHub_M","epss":0.17,"enisaIdProduct":[{"id":"144f63ec-514a-3ec7-93c1-bf904d12b79f","product":{"name":"jxl-oxide","vendor":{"name":"tirr-c"}},"product_version":"\u003c 0.12.6"},{"id":"c39e9e6e-8dcb-3895-9a6a-833502f2a8c2","product":{"name":"jxl-grid","vendor":{"name":"tirr-c"}},"product_version":"\u003c 0.6.2"}],"enisaIdVendor":[{"id":"f88c0bbb-8aa6-3164-be98-12a1c281e282","vendor":{"name":"tirr-c"}}],"enisaIdVulnerability":[{"id":"163fa406-f4a8-37a5-91fa-827eb3066834","vulnerability":{"id":"CVE-2026-52834","description":"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.","datePublished":"Aug 19, 2026, 2:55:32 PM","dateUpdated":"Aug 19, 2026, 6:19:05 PM","status":"PUBLISHED","baseScore":7.3,"baseScoreVersion":"3.1","baseScoreVector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:H","references":"https://github.com/tirr-c/jxl-oxide/security/advisories/GHSA-5pmv-rx8r-wmv5\nhttps://github.com/tirr-c/jxl-oxide/commit/3986dadd3926a95656a642e74a0702d52f5c92e2\nhttps://github.com/tirr-c/jxl-oxide/releases/tag/0.12.6\nhttps://rustsec.org/advisories/RUSTSEC-2026-0151.html\n","enisa_id":"EUVD-2026-62513\n","assigner":"GitHub_M","epss":0.17,"dataProcessed":"Oct 30, 2026, 7:16:05 AM","vulnerabilityProduct":[{"id":"1f8a4dab-6d16-3c70-a13e-7acf5f28a97f","product":{"name":"jxl-oxide","vendor":{"name":"tirr-c"}},"product_version":"\u003c 0.12.6"},{"id":"a409aabc-eed0-3124-aed4-c596d431e853","product":{"name":"jxl-grid","vendor":{"name":"tirr-c"}},"product_version":"\u003c 0.6.2"}],"vulnerabilityVendor":[{"id":"23e9c248-e7f5-3cf6-bf87-f2659b640851","vendor":{"name":"tirr-c"}}]}},{"id":"9d9b47b9-7417-3fb3-b966-f5bf485a0fb0","vulnerability":{"id":"GHSA-5pmv-rx8r-wmv5","description":"jxl-grid on 32-bit platforms has an out-of-bounds writes due to integer overflow","datePublished":"Jul 2, 2026, 8:45:59 PM","dateUpdated":"Jul 2, 2026, 8:45:59 PM","baseScore":0.0,"references":"https://github.com/tirr-c/jxl-oxide/security/advisories/GHSA-5pmv-rx8r-wmv5\nhttps://github.com/tirr-c/jxl-oxide\nhttps://rustsec.org/advisories/RUSTSEC-2026-0151.html\n","enisa_id":"EUVD-2026-62513\n","aliases":"CVE-2026-52834\nGHSA-5pmv-rx8r-wmv5\n","epss":0.0,"dataProcessed":"Oct 25, 2026, 1:57:47 AM","vulnerabilityProduct":[],"vulnerabilityVendor":[]}}],"enisaIdAdvisory":[]}