{"id":"CVE-2026-110734","aliases":["DEBIAN-CVE-2026-110734","EUVD-2026-101301","GHSA-mcg2-p5jm-qfx6","UBUNTU-CVE-2026-110734"],"status":"disputed","title":"Godot Engine through 4.7.2 has a heap out-of-bounds write in the Radiance HDR (.hdr) image...","description":"Godot Engine through 4.7.2 has a heap out-of-bounds write in the Radiance HDR (.hdr) image decoder (modules/hdr/image_loader_hdr.cpp). The run-length decoding loop expands RLE instructions read from the file into a buffer sized from the image dimensions, without validating that an instruction's repeat/copy count fits the remaining capacity of the row buffer. A crafted .hdr file therefore writes attacker-supplied bytes past the end of the heap allocation, with the overflow length and content controlled by the file. The defect is reached automatically when the product imports a crafted .hdr (e.g., when opening a project containing one), and at runtime in exported projects that load untrusted .hdr images. NOTE: the Supplier's position is that the research has identified \"no security issues\" because the required attacker access is outside of the current Godot Engine threat model.","severity":{"version":"3.1","score":2.5,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00156,"percentile":0.04859,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-787"],"published":"2026-10-14T15:36:08Z","modified":"2026-11-02T17:01:39Z","fixes":[{"ecosystem":"Debian:14","package":"godot","fixed_in":["4.6.3+ds-3"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"godot","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.2.3-stable-1","3.5.1-stable-1","3.5.1-stable-2","3.5.2-stable-1","3.5.2-stable-2","3.6+ds-1","3.6+ds-2","4.4.1+ds-1","4.4.1+ds-1.1","4.5.1+ds-1","4.6.3+ds-1","4.6.3+ds-2","4.6.3+ds-3"]},{"source":"osv","ecosystem":"Debian:13","package":"godot","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.6+ds-2","4.4.1+ds-1","4.4.1+ds-1.1","4.5.1+ds-1","4.6.3+ds-1","4.6.3+ds-2","4.6.3+ds-3"]},{"source":"osv","ecosystem":"Debian:14","package":"godot","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.6.3+ds-3"}]}],"versions":["3.6+ds-2","4.4.1+ds-1","4.4.1+ds-1.1","4.5.1+ds-1","4.6.3+ds-1","4.6.3+ds-2"]},{"source":"osv","ecosystem":"Debian:14","package":"godot3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.6+ds-3","3.6.1+ds-1","3.6.2+ds-1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"godot","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.6-2build1","3.0.6-2build2","3.2-stable-2","3.2-stable-2ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:22.04:LTS","package":"godot","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.2.3-stable-1","3.2.3-stable-1build1","3.2.3-stable-1build2","3.2.3-stable-1ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:24.04:LTS","package":"godot","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.5.2-stable-2","3.5.2-stable-2build1","3.5.2-stable-2build3","3.5.2-stable-2build4","3.5.2-stable-2ubuntu0.24.04.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"godot","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.6.3+ds-1","4.6.3+ds-2"]}],"products":[{"vendor":"godotengine","product":"godot engine"}],"references":[{"url":"https://github.com/godotengine/godot/issues/123608","tags":["report"]},{"url":"https://axeghost.offprint.app/a/3mvs6zo4blo23-three-memory-safety-bugs-in-godots-untrusted-file-parsers","tags":["web","report"]},{"url":"http://www.openwall.com/lists/oss-security/2026/10/15/4","tags":["web"]},{"url":"http://www.openwall.com/lists/oss-security/2026/10/23/28","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-110734","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-mcg2-p5jm-qfx6"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/110xxx/CVE-2026-110734.json","tags":["advisory"]},{"url":"https://github.com/godotengine/godot","tags":["package"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-110734","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-110734","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-110734","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-110734","description":"Godot Engine through 4.7.2 has a heap out-of-bounds write in the Radiance HDR (.hdr) image decoder (modules/hdr/image_loader_hdr.cpp). The run-length decoding loop expands RLE instructions read from the file into a buffer sized from the image dimensions, without validating that an instruction's repeat/copy count fits the remaining capacity of the row buffer. A crafted .hdr file therefore writes attacker-supplied bytes past the end of the heap allocation, with the overflow length and content controlled by the file. The defect is reached automatically when the product imports a crafted .hdr (e.g., when opening a project containing one), and at runtime in exported projects that load untrusted .hdr images. NOTE: the Supplier's position is that the research has identified \"no security issues\" because the required attacker access is outside of the current Godot Engine threat model.","status":"disputed","published":"2026-10-14T15:36:08.839Z","modified":"2026-10-24T00:17:11.618Z","cvss":[{"version":"3.1","score":2.5,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"low","assessor":"cna"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T13:34:26.24368Z"}],"euvd":[{"id":"EUVD-2026-101301","description":"Godot Engine through 4.7.2 has a heap out-of-bounds write in the Radiance HDR (.hdr) image decoder (modules/hdr/image_loader_hdr.cpp). The run-length decoding loop expands RLE instructions read from the file into a buffer sized from the image dimensions, without validating that an instruction's repeat/copy count fits the remaining capacity of the row buffer. A crafted .hdr file therefore writes attacker-supplied bytes past the end of the heap allocation, with the overflow length and content controlled by the file. The defect is reached automatically when the product imports a crafted .hdr (e.g., when opening a project containing one), and at runtime in exported projects that load untrusted .hdr images. NOTE: the Supplier's position is that the research has identified \"no security issues\" because the required attacker access is outside of the current Godot Engine threat model.","status":"published","published":"2026-10-14T15:36:08Z","modified":"2026-10-24T00:17:11Z","cvss":[{"version":"3.1","score":2.5,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"low"}],"updated_at":"2026-11-02T16:59:31.52463Z"}],"ghsa":[{"id":"GHSA-mcg2-p5jm-qfx6","title":"Godot Engine through 4.7.2 has a heap out-of-bounds write in the Radiance HDR (.hdr) image...","description":"Godot Engine through 4.7.2 has a heap out-of-bounds write in the Radiance HDR (.hdr) image decoder (modules/hdr/image_loader_hdr.cpp). The run-length decoding loop expands RLE instructions read from the file into a buffer sized from the image dimensions, without validating that an instruction's repeat/copy count fits the remaining capacity of the row buffer. A crafted .hdr file therefore writes attacker-supplied bytes past the end of the heap allocation, with the overflow length and content controlled by the file. The defect is reached automatically when the product imports a crafted .hdr (e.g., when opening a project containing one), and at runtime in exported projects that load untrusted .hdr images. NOTE: the Supplier's position is that the research has identified \"no security issues\" because the required attacker access is outside of the current Godot Engine threat model.","status":"published","published":"2026-10-14T18:32:18Z","modified":"2026-10-24T03:30:21Z","cvss":[{"version":"3.1","score":2.5,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"low"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T15:14:20.706608Z"}],"nvd":[{"id":"CVE-2026-110734","description":"Godot Engine through 4.7.2 has a heap out-of-bounds write in the Radiance HDR (.hdr) image decoder (modules/hdr/image_loader_hdr.cpp). The run-length decoding loop expands RLE instructions read from the file into a buffer sized from the image dimensions, without validating that an instruction's repeat/copy count fits the remaining capacity of the row buffer. A crafted .hdr file therefore writes attacker-supplied bytes past the end of the heap allocation, with the overflow length and content controlled by the file. The defect is reached automatically when the product imports a crafted .hdr (e.g., when opening a project containing one), and at runtime in exported projects that load untrusted .hdr images. NOTE: the Supplier's position is that the research has identified \"no security issues\" because the required attacker access is outside of the current Godot Engine threat model.","status":"disputed","published":"2026-10-14T16:17:44.32Z","modified":"2026-10-24T01:17:07.433Z","cvss":[{"version":"3.1","score":2.5,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"low","assessor":"secondary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:12:58.99337Z"}],"osv":[{"id":"CVE-2026-110734","description":"Godot Engine through 4.7.2 has a heap out-of-bounds write in the Radiance HDR (.hdr) image decoder (modules/hdr/image_loader_hdr.cpp). The run-length decoding loop expands RLE instructions read from the file into a buffer sized from the image dimensions, without validating that an instruction's repeat/copy count fits the remaining capacity of the row buffer. A crafted .hdr file therefore writes attacker-supplied bytes past the end of the heap allocation, with the overflow length and content controlled by the file. The defect is reached automatically when the product imports a crafted .hdr (e.g., when opening a project containing one), and at runtime in exported projects that load untrusted .hdr images. NOTE: the Supplier's position is that the research has identified \"no security issues\" because the required attacker access is outside of the current Godot Engine threat model.","status":"published","published":"2026-10-14T15:36:08.839Z","modified":"2026-10-28T02:30:38.433498783Z","cvss":[{"version":"3.1","score":2.5,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"low"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T15:44:55.61515Z"},{"id":"DEBIAN-CVE-2026-110734","description":"Godot Engine through 4.7.2 has a heap out-of-bounds write in the Radiance HDR (.hdr) image decoder (modules/hdr/image_loader_hdr.cpp). The run-length decoding loop expands RLE instructions read from the file into a buffer sized from the image dimensions, without validating that an instruction's repeat/copy count fits the remaining capacity of the row buffer. A crafted .hdr file therefore writes attacker-supplied bytes past the end of the heap allocation, with the overflow length and content controlled by the file. The defect is reached automatically when the product imports a crafted .hdr (e.g., when opening a project containing one), and at runtime in exported projects that load untrusted .hdr images. NOTE: the Supplier's position is that the research has identified \"no security issues\" because the required attacker access is outside of the current Godot Engine threat model.","status":"published","published":"2026-10-14T16:17:44.32Z","modified":"2026-11-02T17:01:39.796157997Z","cvss":[{"version":"3.1","score":2.5,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"low"}],"updated_at":"2026-11-02T17:22:47.313521Z"},{"id":"UBUNTU-CVE-2026-110734","description":"Godot Engine through 4.7.2 has a heap out-of-bounds write in the Radiance HDR (.hdr) image decoder (modules/hdr/image_loader_hdr.cpp). The run-length decoding loop expands RLE instructions read from the file into a buffer sized from the image dimensions, without validating that an instruction's repeat/copy count fits the remaining capacity of the row buffer. A crafted .hdr file therefore writes attacker-supplied bytes past the end of the heap allocation, with the overflow length and content controlled by the file. The defect is reached automatically when the product imports a crafted .hdr (e.g., when opening a project containing one), and at runtime in exported projects that load untrusted .hdr images. NOTE: the Supplier's position is that the research has identified \"no security issues\" because the required attacker access is outside of the current Godot Engine threat model.","status":"published","published":"2026-10-14T16:17:00Z","modified":"2026-10-28T17:50:34Z","cvss":[{"version":"3.1","score":2.5,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"low"}],"updated_at":"2026-11-02T16:55:59.591851Z"}]}}