{"id":"CVE-2026-109854","aliases":[],"cve":{"records":[{"id":"CVE-2026-109854","source":"redhat","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-10-13T07:19:47.899Z","published":"2026-10-13T09:16:55.162Z","modified":"2026-11-06T17:50:33.810Z"}],"publishers":[{"name":"redhat","role":"CNA","organizationId":"53f830b8-0a3f-465b-8143-3b8a9948e749","modified":"2026-11-06T17:50:33.810Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-10-16T21:40:30.284Z"}],"references":[{"url":"https://access.redhat.com/security/cve/CVE-2026-109854","tags":["vdb-entry","x_refsource_REDHAT"],"source":"redhat"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2550285","tags":["issue-tracking","x_refsource_REDHAT"],"source":"redhat"},{"url":"https://cgit.git.savannah.nongnu.org/cgit/m17n/m17n-lib.git/commit/?id=f3b85087f90189f91c04ba1b62c5f0b879ff2b20","tags":[],"source":"redhat"},{"url":"https://lists.gnu.org/archive/html/m17n-list/2026-10/msg00001.html","tags":[],"source":"redhat"}],"weaknesses":[{"id":"CWE-457","description":"Use of Uninitialized Variable","source":"redhat"}],"applicability":[],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-10-16T21:40:17.944889Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"no"},{"name":"Technical Impact","value":"partial"}]}]},"title":"M17n-lib: uninitialized stack read in iso-2022 compound text utf-8 decoding","titleSource":"redhat","descriptionSource":"redhat","description":"A flaw was found in m17n-lib. An attacker who supplies crafted input to an application processing ISO-2022 encoded text can cause the library to read uninitialized memory from the stack. If the application exposes or returns the decoded output, this flaw can result in unexpected behavior and limited information disclosure.","score":2.5,"severity":"low","published":"2026-10-13T09:16:55.162Z","modified":"2026-11-06T17:50:33.810Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"Red Hat","name":"Red Hat Enterprise Linux 10","platforms":[],"versions":[],"defaultStatus":"affected","cpes":["cpe:/a:redhat:enterprise_linux:10"],"source":"redhat","url":"https://www.cve.org/CVERecord?id=CVE-2026-109854"},{"vendor":"Red Hat","name":"Red Hat Enterprise Linux 6","platforms":[],"versions":[],"defaultStatus":"unknown","cpes":["cpe:/o:redhat:rhel_els:6"],"source":"redhat","url":"https://www.cve.org/CVERecord?id=CVE-2026-109854"},{"vendor":"Red Hat","name":"Red Hat Enterprise Linux 7","platforms":[],"versions":[],"defaultStatus":"affected","cpes":["cpe:/o:redhat:rhel_els:7"],"source":"redhat","url":"https://www.cve.org/CVERecord?id=CVE-2026-109854"},{"vendor":"Red Hat","name":"Red Hat Enterprise Linux 8","platforms":[],"versions":[],"defaultStatus":"affected","cpes":["cpe:/a:redhat:enterprise_linux:8"],"source":"redhat","url":"https://www.cve.org/CVERecord?id=CVE-2026-109854"},{"vendor":"Red Hat","name":"Red Hat Enterprise Linux 9","platforms":[],"versions":[],"defaultStatus":"affected","cpes":["cpe:/a:redhat:enterprise_linux:9"],"source":"redhat","url":"https://www.cve.org/CVERecord?id=CVE-2026-109854"}],"remediation":[],"references":["https://access.redhat.com/security/cve/CVE-2026-109854","https://bugzilla.redhat.com/show_bug.cgi?id=2550285","https://cgit.git.savannah.nongnu.org/cgit/m17n/m17n-lib.git/commit/?id=f3b85087f90189f91c04ba1b62c5f0b879ff2b20","https://lists.gnu.org/archive/html/m17n-list/2026-10/msg00001.html"],"sources":[{"name":"CVE","id":"CVE-2026-109854","modified":"2026-11-06T17:50:33.810Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-109854"}],"assessments":[{"source":"redhat","vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N","score":2.5}],"sourceAffected":[],"observedAt":"2026-11-06T18:19:39.683Z","kev":{"status":"not-listed","checkedAt":"2026-11-15T02:25:31.038Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-11-06T18:55:35.730Z","attemptedAt":"2026-11-06T18:55:35.730Z"},{"source":"GHSA","status":"available","checkedAt":"2026-11-06T18:55:36.470Z","attemptedAt":"2026-11-06T18:55:36.470Z"},{"source":"EUVD","status":"available","checkedAt":"2026-11-06T18:55:35.955Z","attemptedAt":"2026-11-06T18:55:35.955Z"},{"source":"EPSS","status":"available","checkedAt":"2026-11-06T18:55:35.440Z","attemptedAt":"2026-11-06T18:55:35.440Z"}],"evidence":[{"source":"FIRST EPSS","id":"CVE-2026-109854","url":"https://www.first.org/epss/","probability":0.00119,"percentile":0.0177,"date":"2026-11-06","checkedAt":"2026-11-06T18:55:35.440Z"},{"source":"NVD","id":"CVE-2026-109854","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-109854","modified":"2026-11-06T18:17:43.377","score":2.5,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N","checkedAt":"2026-11-06T18:55:35.730Z"},{"source":"ENISA EUVD","id":"EUVD-2026-98377","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-98377","modified":"Oct 16, 2026, 9:40:30 PM","score":2.5,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N","checkedAt":"2026-11-06T18:55:35.955Z"},{"source":"GitHub Advisory Database","id":"GHSA-2f3f-m2rp-937p","url":"https://github.com/advisories/GHSA-2f3f-m2rp-937p","modified":"2026-10-13T12:33:05Z","score":2.5,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N","checkedAt":"2026-11-06T18:55:36.470Z"}],"aiSummary":{"text":"A flaw in m17n-lib allows an attacker to cause the library to read uninitialized memory from the stack via crafted ISO-2022 encoded text input. This can result in unexpected behavior and limited information disclosure if the application exposes the decoded output. The affected products include Red Hat Enterprise Linux 10, 7, 8, and 9.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-11-06T18:31:23.960Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-109854"}]}}