{"id":"CVE-2026-92446","state":"PUBLISHED","title":"GUIX binary resource loader reads past the end of a resource, because no length for it ever reaches the loader","description":"`gx_binres_theme_load()` and `gx_binres_font_load()` take the resource as a bare `GX_UBYTE *` with no length, and `GX_BINRES_DATA_INFO` has no field to carry one. Every read is therefore performed at an offset the file itself chose, against a buffer whose extent the loader does not know. A resource that declares more data than it contains is read past its end, and an offset stored in the file is turned into a pointer without being bounded.\n\n\n\nThis is a distinct defect from GHSA-hgcj-22cg-4hfv, which was an underflowed glyph count. It needs no underflow and no wrapped multiply: a perfectly well-formed, narrow glyph range reaches it.","publishedAt":"2026-10-20T14:52:45.765Z","updatedAt":"2026-10-20T15:26:36.082Z","severity":{"score":6.8,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N","source":"eclipse"},"assigner":"eclipse","products":["Eclipse Foundation Eclipse ThreadX - GUIX"],"affected":[{"vendor":"Eclipse Foundation","product":"Eclipse ThreadX - GUIX","packageName":"GUIX","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"6.5.1.202602a","versionType":"semver"},{"version":"6.5.2.202603","status":"unaffected"}]}],"references":["https://github.com/eclipse-threadx/guix/security/advisories/GHSA-m779-jvp3-pmqr"],"weaknesses":["CWE-125"],"ingestedAt":"2026-10-29T20:13:34.582Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/92xxx/CVE-2026-92446.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-92446","state":"PUBLISHED","datePublished":"2026-10-20T14:52:45.765Z","dateUpdated":"2026-10-20T15:26:36.082Z","assignerShortName":"eclipse","assignerOrgId":"e51fbebd-6053-4e49-959f-1b94eeb69a2c","dateReserved":"2026-09-23T13:43:04.325Z"},"containers":{"cna":{"title":"GUIX binary resource loader reads past the end of a resource, because no length for it ever reaches the loader","descriptions":[{"lang":"en","value":"`gx_binres_theme_load()` and `gx_binres_font_load()` take the resource as a bare `GX_UBYTE *` with no length, and `GX_BINRES_DATA_INFO` has no field to carry one. Every read is therefore performed at an offset the file itself chose, against a buffer whose extent the loader does not know. A resource that declares more data than it contains is read past its end, and an offset stored in the file is turned into a pointer without being bounded.\n\n\n\nThis is a distinct defect from GHSA-hgcj-22cg-4hfv, which was an underflowed glyph count. It needs no underflow and no wrapped multiply: a perfectly well-formed, narrow glyph range reaches it."}],"affected":[{"vendor":"Eclipse Foundation","product":"Eclipse ThreadX - GUIX","packageName":"GUIX","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"6.5.1.202602a","versionType":"semver"},{"version":"6.5.2.202603","status":"unaffected"}]}],"references":[{"url":"https://github.com/eclipse-threadx/guix/security/advisories/GHSA-m779-jvp3-pmqr"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"LOCAL","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"ACTIVE","vulnConfidentialityImpact":"HIGH","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"MEDIUM","baseScore":6.8,"vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-125","lang":"en","description":"CWE-125 Out-of-bounds Read","type":"CWE"}]}],"providerMetadata":{"shortName":"eclipse","orgId":"e51fbebd-6053-4e49-959f-1b94eeb69a2c","dateUpdated":"2026-10-20T14:52:45.765Z"},"credits":[{"lang":"en","value":"adawn0106","type":"finder"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.5"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-20T15:26:01.270098Z","id":"CVE-2026-92446","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-20T15:26:36.082Z"}}]}}}