CVE-2026-109854

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.11% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 1.7% of scored records. A rank, not a probability.

NVD base score

2.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N

NVD analysis status

Awaiting Analysis. NVD last modified this record on 2026-10-16.

Red Hat severity

Low. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-10-13 09:16Z16 DAYS AGO

Last updated

2026-10-16 21:40Z12 DAYS AGO

Reserved

2026-10-13

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Low (CVSS 2.5)

CNA CVSS vector

CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N

Weaknesses

• CWE-457Use of Uninitialized VariableVariant

Data version

5.2

Document digest

2e4a5d03d42abda836c1d443a91ac29b646942565fdd41525284787eb40cf503

• access.redhat.comhttps://access.redhat.com/security/cve/CVE-2026-109854vdb-entryx_refsource_REDHAT
• bugzilla.redhat.comRHBZ#2550285https://bugzilla.redhat.com/show_bug.cgi?id=2550285issue-trackingx_refsource_REDHAT
• cgit.git.savannah.nongnu.orghttps://cgit.git.savannah.nongnu.org/cgit/m17n/m17n-lib.git/commit/?id=f3b85087f90189f91c04ba1b62c5f0b879ff2b20
• lists.gnu.orghttps://lists.gnu.org/archive/html/m17n-list/2026-10/msg00001.html