{"id":"CVE-2026-123269","aliases":["DEBIAN-CVE-2026-123269","EUVD-2026-117882","GHSA-327v-6wgx-g787","UBUNTU-CVE-2026-123269"],"status":"published","title":"libyal libvmdk Descriptor File libvmdk_descriptor_file.c libvmdk_descriptor_file_read_header out-of-bounds","description":"A vulnerability was detected in libyal libvmdk. Affected by this vulnerability is the function libvmdk_descriptor_file_read_header of the file libvmdk/libvmdk_descriptor_file.c of the component Descriptor File Parser. The manipulation results in out-of-bounds read. The attack must be initiated from a local position. The exploit is now public and may be used. The patch is identified as 175d3fc0a0b961f362f16e7560a6169d7213e16b. It is best practice to apply a patch to resolve this issue.","severity":{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00113,"percentile":0.01422,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119","CWE-125"],"published":"2026-11-06T00:00:00Z","modified":"2026-11-07T01:46:30Z","affected":[{"source":"osv","ecosystem":"Debian:12","package":"libvmdk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20200926-2","20240510-1","20240510-2"]},{"source":"osv","ecosystem":"Debian:13","package":"libvmdk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20240510-1","20240510-2"]},{"source":"osv","ecosystem":"Debian:14","package":"libvmdk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20240510-1","20240510-2"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"libvmdk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20150516-2","20160108-1","20160119-1","20160119-2"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"libvmdk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20170226-1build1","20170226-3"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"libvmdk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20181227-1","20181227-1build1","20181227-1ubuntu1","20181227-1.1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"libvmdk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20200926-2","20200926-2build1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"libvmdk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20200926-2build2","20200926-2build3","20200926-2build4","20200926-2build5"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"libvmdk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20240510-2build1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"libvmdk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20240510-1build1","20240510-2","20240510-2build1"]}],"products":[{"vendor":"libyal","product":"libvmdk"}],"references":[{"url":"https://vuldb.com/vuln/431575","tags":["vdb-entry","technical-description","advisory","report"]},{"url":"https://vuldb.com/vuln/431575/cti","tags":["signature","permissions-required","report"]},{"url":"https://vuldb.com/cve/CVE-2026-123269","tags":["third-party-advisory","advisory","report"]},{"url":"https://vuldb.com/submit/1032842","tags":["third-party-advisory","advisory","report"]},{"url":"https://github.com/libyal/libvmdk/issues/41","tags":["issue-tracking","report"]},{"url":"https://github.com/user-attachments/files/33394231/03_integer_underflow_poc.zip","tags":["exploit","evidence","report"]},{"url":"https://github.com/libyal/libvmdk/commit/175d3fc0a0b961f362f16e7560a6169d7213e16b","tags":["patch","fix","report"]},{"url":"https://github.com/libyal/libvmdk/","tags":["product","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-123269","tags":["advisory"]},{"url":"https://github.com/libyal/libvmdk"},{"url":"https://github.com/advisories/GHSA-327v-6wgx-g787"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/123xxx/CVE-2026-123269.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-123269","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-123269","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-123269","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-123269","title":"libyal libvmdk Descriptor File libvmdk_descriptor_file.c libvmdk_descriptor_file_read_header out-of-bounds","description":"A vulnerability was detected in libyal libvmdk. Affected by this vulnerability is the function libvmdk_descriptor_file_read_header of the file libvmdk/libvmdk_descriptor_file.c of the component Descriptor File Parser. The manipulation results in out-of-bounds read. The attack must be initiated from a local position. The exploit is now public and may be used. The patch is identified as 175d3fc0a0b961f362f16e7560a6169d7213e16b. It is best practice to apply a patch to resolve this issue.","status":"published","published":"2026-11-06T00:00:33.592Z","modified":"2026-11-06T17:44:33.655Z","cvss":[{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P","level":"medium","assessor":"cna"},{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C","level":"low","assessor":"cna"},{"version":"3.0","score":3.3,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C","level":"low","assessor":"cna"},{"version":"2.0","score":1.7,"vector":"AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C","assessor":"cna"}],"cwes":["CWE-125","CWE-119"],"updated_at":"2026-11-06T18:59:07.714367Z"}],"euvd":[{"id":"EUVD-2026-117882","description":"A vulnerability was detected in libyal libvmdk. Affected by this vulnerability is the function libvmdk_descriptor_file_read_header of the file libvmdk/libvmdk_descriptor_file.c of the component Descriptor File Parser. The manipulation results in out-of-bounds read. The attack must be initiated from a local position. The exploit is now public and may be used. The patch is identified as 175d3fc0a0b961f362f16e7560a6169d7213e16b. It is best practice to apply a patch to resolve this issue.","status":"published","published":"2026-11-06T00:00:33Z","modified":"2026-11-06T17:44:33Z","cvss":[{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P","level":"medium"}],"updated_at":"2026-11-06T19:05:53.354277Z"}],"ghsa":[{"id":"GHSA-327v-6wgx-g787","title":"A vulnerability was detected in libyal libvmdk. Affected by this vulnerability is the function...","description":"A vulnerability was detected in libyal libvmdk. Affected by this vulnerability is the function libvmdk_descriptor_file_read_header of the file libvmdk/libvmdk_descriptor_file.c of the component Descriptor File Parser. The manipulation results in out-of-bounds read. The attack must be initiated from a local position. The exploit is now public and may be used. The patch is identified as 175d3fc0a0b961f362f16e7560a6169d7213e16b. It is best practice to apply a patch to resolve this issue.","status":"published","published":"2026-11-06T03:30:28Z","modified":"2026-11-06T03:30:35Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low"},{"version":"4.0","score":1.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/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":"low"}],"cwes":["CWE-119"],"updated_at":"2026-11-06T03:57:47.011451Z"}],"nvd":[{"id":"CVE-2026-123269","description":"A vulnerability was detected in libyal libvmdk. Affected by this vulnerability is the function libvmdk_descriptor_file_read_header of the file libvmdk/libvmdk_descriptor_file.c of the component Descriptor File Parser. The manipulation results in out-of-bounds read. The attack must be initiated from a local position. The exploit is now public and may be used. The patch is identified as 175d3fc0a0b961f362f16e7560a6169d7213e16b. It is best practice to apply a patch to resolve this issue.","status":"published","published":"2026-11-06T01:17:48.783Z","modified":"2026-11-06T18:18:02.017Z","cvss":[{"version":"4.0","score":1.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/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":"low","assessor":"secondary"},{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"secondary"},{"version":"2.0","score":1.7,"vector":"AV:L/AC:L/Au:S/C:N/I:N/A:P","level":"low","assessor":"secondary"}],"cwes":["CWE-119","CWE-125"],"updated_at":"2026-11-06T20:01:16.80823Z"}],"osv":[{"id":"CVE-2026-123269","title":"libyal libvmdk Descriptor File libvmdk_descriptor_file.c libvmdk_descriptor_file_read_header out-of-bounds","description":"A vulnerability was detected in libyal libvmdk. Affected by this vulnerability is the function libvmdk_descriptor_file_read_header of the file libvmdk/libvmdk_descriptor_file.c of the component Descriptor File Parser. The manipulation results in out-of-bounds read. The attack must be initiated from a local position. The exploit is now public and may be used. The patch is identified as 175d3fc0a0b961f362f16e7560a6169d7213e16b. It is best practice to apply a patch to resolve this issue.","status":"published","published":"2026-11-06T00:00:33.592Z","modified":"2026-11-08T07:03:59.466647322Z","cvss":[{"version":"4.0","score":1.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P","level":"low"}],"cwes":["CWE-119","CWE-125"],"updated_at":"2026-11-07T03:08:01.726202Z"},{"id":"DEBIAN-CVE-2026-123269","description":"A vulnerability was detected in libyal libvmdk. Affected by this vulnerability is the function libvmdk_descriptor_file_read_header of the file libvmdk/libvmdk_descriptor_file.c of the component Descriptor File Parser. The manipulation results in out-of-bounds read. The attack must be initiated from a local position. The exploit is now public and may be used. The patch is identified as 175d3fc0a0b961f362f16e7560a6169d7213e16b. It is best practice to apply a patch to resolve this issue.","status":"published","published":"2026-11-06T01:17:48.783Z","modified":"2026-11-07T10:01:24.340542789Z","cvss":[{"version":"4.0","score":1.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/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":"low"}],"updated_at":"2026-11-07T10:13:34.340634Z"},{"id":"UBUNTU-CVE-2026-123269","description":"A vulnerability was detected in libyal libvmdk. Affected by this vulnerability is the function libvmdk_descriptor_file_read_header of the file libvmdk/libvmdk_descriptor_file.c of the component Descriptor File Parser. The manipulation results in out-of-bounds read. The attack must be initiated from a local position. The exploit is now public and may be used. The patch is identified as 175d3fc0a0b961f362f16e7560a6169d7213e16b. It is best practice to apply a patch to resolve this issue.","status":"published","published":"2026-11-06T00:00:00Z","modified":"2026-11-07T01:46:30.663852352Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low"},{"version":"4.0","score":1.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P","level":"low"}],"updated_at":"2026-11-07T01:56:47.245871Z"}]}}