{"id":"CVE-2026-102729","aliases":["EUVD-2026-89200","GHSA-372w-c338-xj8p","GHSA-xj26-f3rj-75vp"],"status":"published","title":"`gx_binres_theme_load()` sizes its theme buffer for the theme it was asked for, and allocates it...","description":"`gx_binres_theme_load()` sizes its theme buffer for the theme it was asked for, and allocates it even when the resource holds no theme with that id. A theme id at or past the theme count declared by the resource gets a buffer of zero bytes. The load pass then walks past the end of the theme table, takes whatever follows as a theme header, and writes a `GX_THEME` and its tables into that zero-byte buffer.","severity":{"version":"4.0","score":5.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:P/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00117,"percentile":0.0169,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-131","CWE-787"],"published":"2026-09-29T17:58:45Z","modified":"2026-10-28T02:30:32Z","products":[{"vendor":"eclipse foundation","product":"guix"},{"vendor":"gnu","product":"guix"}],"references":[{"url":"https://github.com/eclipse-threadx/guix/security/advisories/GHSA-372w-c338-xj8p","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-102729","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-xj26-f3rj-75vp"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/102xxx/CVE-2026-102729.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-102729","description":"`gx_binres_theme_load()` sizes its theme buffer for the theme it was asked for, and allocates it even when the resource holds no theme with that id. A theme id at or past the theme count declared by the resource gets a buffer of zero bytes. The load pass then walks past the end of the theme table, takes whatever follows as a theme header, and writes a `GX_THEME` and its tables into that zero-byte buffer.","status":"published","published":"2026-09-29T17:58:45.234Z","modified":"2026-09-29T18:26:36.721Z","cvss":[{"version":"4.0","score":5.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:P/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"}],"cwes":["CWE-131","CWE-787"],"updated_at":"2026-11-02T13:38:43.260938Z"}],"euvd":[{"id":"EUVD-2026-89200","description":"`gx_binres_theme_load()` sizes its theme buffer for the theme it was asked for, and allocates it even when the resource holds no theme with that id. A theme id at or past the theme count declared by the resource gets a buffer of zero bytes. The load pass then walks past the end of the theme table, takes whatever follows as a theme header, and writes a `GX_THEME` and its tables into that zero-byte buffer.","status":"published","published":"2026-09-29T17:58:45Z","modified":"2026-09-29T18:26:36Z","cvss":[{"version":"4.0","score":5.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:P/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T17:27:51.524944Z"}],"ghsa":[{"id":"GHSA-xj26-f3rj-75vp","title":"`gx_binres_theme_load()` sizes its theme buffer for the theme it was asked for, and allocates it...","description":"`gx_binres_theme_load()` sizes its theme buffer for the theme it was asked for, and allocates it even when the resource holds no theme with that id. A theme id at or past the theme count declared by the resource gets a buffer of zero bytes. The load pass then walks past the end of the theme table, takes whatever follows as a theme header, and writes a `GX_THEME` and its tables into that zero-byte buffer.","status":"published","published":"2026-09-29T18:32:03Z","modified":"2026-09-29T18:32:04Z","cvss":[{"version":"4.0","score":5.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:P/VC:L/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","level":"medium"}],"cwes":["CWE-131"],"updated_at":"2026-11-02T15:12:33.840327Z"}],"nvd":[{"id":"CVE-2026-102729","description":"`gx_binres_theme_load()` sizes its theme buffer for the theme it was asked for, and allocates it even when the resource holds no theme with that id. A theme id at or past the theme count declared by the resource gets a buffer of zero bytes. The load pass then walks past the end of the theme table, takes whatever follows as a theme header, and writes a `GX_THEME` and its tables into that zero-byte buffer.","status":"published","published":"2026-09-29T18:17:12.62Z","modified":"2026-09-29T19:17:23.39Z","cvss":[{"version":"4.0","score":5.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:P/VC:L/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","level":"medium","assessor":"secondary"}],"cwes":["CWE-131","CWE-787"],"updated_at":"2026-11-02T14:12:52.413234Z"}],"osv":[{"id":"CVE-2026-102729","description":"`gx_binres_theme_load()` sizes its theme buffer for the theme it was asked for, and allocates it even when the resource holds no theme with that id. A theme id at or past the theme count declared by the resource gets a buffer of zero bytes. The load pass then walks past the end of the theme table, takes whatever follows as a theme header, and writes a `GX_THEME` and its tables into that zero-byte buffer.","status":"published","published":"2026-09-29T17:58:45.234Z","modified":"2026-10-28T02:30:32.125125068Z","cvss":[{"version":"4.0","score":5.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:P/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-131","CWE-787"],"updated_at":"2026-11-02T15:44:53.83521Z"}]}}