{"id":"CVE-2024-56732","aliases":["AZL-54701","AZL-54704","BELL-CVE-2024-56732","DEBIAN-CVE-2024-56732","EUVD-2024-53379","GHSA-qmp9-xqm5-jh6m","JLSEC-2026-776","OESA-2025-1009","OESA-2025-1019","UBUNTU-CVE-2024-56732","openSUSE-SU-2025:14614-1"],"status":"published","title":"HarfBuzz heap-buffer-overflow on hb_cairo_glyphs_from_buffer","description":"HarfBuzz is a text shaping engine. Starting with 8.5.0 through 10.0.1, there is a heap-based buffer overflow in the hb_cairo_glyphs_from_buffer function.","severity":{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00652,"percentile":0.5168,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-122"],"published":"2024-12-27T20:01:50Z","modified":"2026-11-05T05:40:51Z","fixes":[{"ecosystem":"Azure Linux:3","package":"qtbase","fixed_in":["6.6.3-2"],"sources":["osv"]},{"ecosystem":"Azure Linux:3","package":"harfbuzz","fixed_in":["8.3.0-3"],"sources":["osv"]},{"ecosystem":"Alpaquita:stream","package":"harfbuzz","fixed_in":["10.1.0-r0"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"harfbuzz","fixed_in":["10.1.0-2"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"harfbuzz","fixed_in":["10.1.0-2"],"sources":["osv"]},{"ecosystem":"Julia","package":"HarfBuzz_ICU_jll","fixed_in":["100.14002.1+0"],"sources":["osv"]},{"ecosystem":"Julia","package":"HarfBuzz_jll","fixed_in":["100.14002.1+0"],"sources":["osv"]},{"ecosystem":"openEuler:24.03-LTS","package":"harfbuzz","fixed_in":["8.3.0-2.oe2403"],"sources":["osv"]},{"ecosystem":"openEuler:24.03-LTS-SP1","package":"harfbuzz","fixed_in":["8.3.0-2.oe2403sp1"],"sources":["osv"]},{"ecosystem":"Ubuntu:25.10","package":"harfbuzz","fixed_in":["10.2.0-1"],"sources":["osv"]},{"ecosystem":"Ubuntu:26.04:LTS","package":"harfbuzz","fixed_in":["10.2.0-1"],"sources":["osv"]},{"ecosystem":"openSUSE:Tumbleweed","package":"harfbuzz","fixed_in":["10.1.0-2.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Azure Linux:3","package":"qtbase","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.6.3-2"}]}]},{"source":"osv","ecosystem":"Azure Linux:3","package":"harfbuzz","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.3.0-3"}]}]},{"source":"osv","ecosystem":"Alpaquita:stream","package":"harfbuzz","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.5.0-r0"},{"fixed":"10.1.0-r0"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"harfbuzz","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.1.0-2"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"harfbuzz","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.1.0-2"}]}]},{"source":"osv","ecosystem":"Julia","package":"HarfBuzz_ICU_jll","ranges":[{"type":"SEMVER","events":[{"introduced":"8.5.0+0"},{"fixed":"100.14002.1+0"}]}]},{"source":"osv","ecosystem":"Julia","package":"HarfBuzz_jll","ranges":[{"type":"SEMVER","events":[{"introduced":"8.5.0+0"},{"fixed":"100.14002.1+0"}]}]},{"source":"osv","ecosystem":"openEuler:24.03-LTS","package":"harfbuzz","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.3.0-2.oe2403"}]}]},{"source":"osv","ecosystem":"openEuler:24.03-LTS-SP1","package":"harfbuzz","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.3.0-2.oe2403sp1"}]}]},{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"harfbuzz","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.9.19-1","0.9.19-1ubuntu1","0.9.24-2ubuntu1","0.9.24-2ubuntu2","0.9.24-2ubuntu3","0.9.25-1ubuntu1","0.9.26-3","0.9.26-4","0.9.27-1","0.9.27-1ubuntu1","0.9.27-1ubuntu1.1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"harfbuzz","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.1-1build2","1.0.1-1ubuntu0.1","1.0.1-1ubuntu0.1+esm1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"harfbuzz","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.2-1","1.4.2-1build1","1.6.3-1build1","1.7.1-1","1.7.2-1","1.7.2-1ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"harfbuzz","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.2.0-1"}]}]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"harfbuzz","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.2.0-1"}]}]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"harfbuzz","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.1.0-2.1"}]}]}],"products":[{"vendor":"harfbuzz","product":"harfbuzz"},{"vendor":"harfbuzz_project","product":"harfbuzz"}],"references":[{"url":"https://github.com/harfbuzz/harfbuzz/security/advisories/GHSA-qmp9-xqm5-jh6m","tags":["x_refsource_CONFIRM","Exploit","Vendor Advisory","advisory","web","report"]},{"url":"https://github.com/harfbuzz/harfbuzz/commit/1767f99e2e2196c3fcae27db6d8b60098d3f6d26","tags":["x_refsource_MISC","Patch","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-56732","tags":["web","advisory"]},{"url":"https://docs.bell-sw.com/security/cves/CVE-2024-56732","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/56xxx/CVE-2024-56732.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2024-56732","tags":["advisory"]},{"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2025-1009","tags":["advisory"]},{"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2025-1019","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2024-56732","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2024-56732","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-7214-1","tags":["advisory"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2024-56732","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2024-56732","title":"HarfBuzz heap-buffer-overflow on hb_cairo_glyphs_from_buffer","description":"HarfBuzz is a text shaping engine. Starting with 8.5.0 through 10.0.1, there is a heap-based buffer overflow in the hb_cairo_glyphs_from_buffer function.","status":"published","published":"2024-12-27T20:01:50.275Z","modified":"2024-12-28T16:48:04.545Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T14:33:57.983942Z"}],"euvd":[{"id":"EUVD-2024-53379","description":"HarfBuzz is a text shaping engine. Starting with 8.5.0 through 10.0.1, there is a heap-based buffer overflow in the hb_cairo_glyphs_from_buffer function.","status":"published","published":"2024-12-27T20:01:50Z","modified":"2024-12-28T16:48:04Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"}],"updated_at":"2026-11-03T00:04:32.209772Z"}],"nvd":[{"id":"CVE-2024-56732","description":"HarfBuzz is a text shaping engine. Starting with 8.5.0 through 10.0.1, there is a heap-based buffer overflow in the hb_cairo_glyphs_from_buffer function.","status":"published","published":"2024-12-27T20:15:23.9Z","modified":"2026-06-25T15:32:53.687Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/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":"critical","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T14:10:41.091507Z"}],"osv":[{"id":"BELL-CVE-2024-56732","status":"published","published":"2025-01-02T05:58:36.341763Z","modified":"2026-01-26T09:41:18.37437Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:28:20.963569Z"},{"id":"CVE-2024-56732","title":"HarfBuzz heap-buffer-overflow on hb_cairo_glyphs_from_buffer","description":"HarfBuzz is a text shaping engine. Starting with 8.5.0 through 10.0.1, there is a heap-based buffer overflow in the hb_cairo_glyphs_from_buffer function.","status":"published","published":"2024-12-27T20:01:50.275Z","modified":"2026-10-28T10:42:11.526098035Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T15:44:44.777182Z"},{"id":"DEBIAN-CVE-2024-56732","description":"HarfBuzz is a text shaping engine. Starting with 8.5.0 through 10.0.1, there is a heap-based buffer overflow in the hb_cairo_glyphs_from_buffer function.","status":"published","published":"2024-12-27T20:15:23.9Z","modified":"2026-11-02T12:03:10.239752573Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/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":"critical"}],"updated_at":"2026-11-02T15:45:44.429177Z"},{"id":"JLSEC-2026-776","description":"HarfBuzz is a text shaping engine. Starting with 8.5.0 through 10.0.1, there is a heap-based buffer overflow in the `hb_cairo_glyphs_from_buffer` function.","status":"published","published":"2026-07-20T16:53:07.927Z","modified":"2026-07-25T18:24:54.206389135Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"},{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/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":"critical"}],"updated_at":"2026-11-02T15:47:19.003546Z"},{"id":"OESA-2025-1009","title":"harfbuzz security update","description":"HarfBuzz is a text-shaping engine. If you give HarfBuzz a font and a string containing a sequence of Unicode codepoints, HarfBuzz selects and positions the corresponding glyphs from the font, applying all of the necessary layout rules and font features. HarfBuzz then returns the string to you in the form that is correctly arranged for the language and writing system.\r\n\r\nSecurity Fix(es):\r\n\r\nHarfBuzz is a text shaping engine. Starting with 8.5.0 through 10.0.1, there is a heap-based buffer overflow in the hb_cairo_glyphs_from_buffer function.(CVE-2024-56732)","status":"published","published":"2025-01-03T11:08:05Z","modified":"2026-08-18T01:18:43.827732219Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:52:42.253598Z"},{"id":"OESA-2025-1019","title":"harfbuzz security update","description":"HarfBuzz is a text-shaping engine. If you give HarfBuzz a font and a string containing a sequence of Unicode codepoints, HarfBuzz selects and positions the corresponding glyphs from the font, applying all of the necessary layout rules and font features. HarfBuzz then returns the string to you in the form that is correctly arranged for the language and writing system.\r\n\r\nSecurity Fix(es):\r\n\r\nHarfBuzz is a text shaping engine. Starting with 8.5.0 through 10.0.1, there is a heap-based buffer overflow in the hb_cairo_glyphs_from_buffer function.(CVE-2024-56732)","status":"published","published":"2025-01-10T11:08:06Z","modified":"2026-08-18T01:18:44.475977724Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:52:42.253598Z"},{"id":"UBUNTU-CVE-2024-56732","description":"HarfBuzz is a text shaping engine. Starting with 8.5.0 through 10.0.1, there is a heap-based buffer overflow in the hb_cairo_glyphs_from_buffer function.","status":"published","published":"2024-12-27T20:15:00Z","modified":"2026-05-20T16:19:50.609061163Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"},{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"}],"updated_at":"2026-11-02T16:55:15.331356Z"},{"id":"AZL-54701","title":"CVE-2024-56732 affecting package qtbase for versions less than 6.6.3-2","description":"HarfBuzz is a text shaping engine. Starting with 8.5.0 through 10.0.1, there is a heap-based buffer overflow in the hb_cairo_glyphs_from_buffer function.","status":"published","published":"2024-12-27T20:15:23Z","modified":"2026-11-05T05:40:51Z","updated_at":"2026-11-05T16:41:20.996398Z"},{"id":"AZL-54704","title":"CVE-2024-56732 affecting package harfbuzz for versions less than 8.3.0-3","description":"HarfBuzz is a text shaping engine. Starting with 8.5.0 through 10.0.1, there is a heap-based buffer overflow in the hb_cairo_glyphs_from_buffer function.","status":"published","published":"2024-12-27T20:15:23Z","modified":"2026-11-05T05:40:51Z","updated_at":"2026-11-05T16:41:20.996398Z"},{"id":"openSUSE-SU-2025:14614-1","title":"harfbuzz-devel-10.1.0-2.1 on GA media","description":"These are all security issues fixed in the harfbuzz-devel-10.1.0-2.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2025-01-02T00:00:00Z","modified":"2026-02-04T02:14:42.735674Z","updated_at":"2026-11-02T16:58:36.976155Z"}]}}