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.
Advisories

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Fixes

Solution

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Workaround

No workaround given by the vendor.

History

Fri, 16 Oct 2026 23:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 13 Oct 2026 12:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

threat_severity

Low


Tue, 13 Oct 2026 09:45:00 +0000

Type Values Removed Values Added
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.
Title M17n-lib: uninitialized stack read in iso-2022 compound text utf-8 decoding
First Time appeared Redhat
Redhat enterprise Linux
Weaknesses CWE-457
CPEs cpe:/o:redhat:enterprise_linux:10
cpe:/o:redhat:enterprise_linux:6
cpe:/o:redhat:enterprise_linux:7
cpe:/o:redhat:enterprise_linux:8
cpe:/o:redhat:enterprise_linux:9
Vendors & Products Redhat
Redhat enterprise Linux
References
Metrics cvssV3_1

{'score': 2.5, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2026-10-16T21:40:30.284Z

Reserved: 2026-10-13T07:19:47.899Z

Link: CVE-2026-109854

cve-icon Vulnrichment

Updated: 2026-10-16T21:40:24.467Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-13T10:17:15.610

Modified: 2026-10-16T22:17:19.663

Link: CVE-2026-109854

cve-icon Redhat

Severity : Low

Publid Date: 2026-10-13T07:28:14Z

Links: CVE-2026-109854 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-10-13T10:30:19Z

Weaknesses