CVE-2026-1484

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

0.34% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 27.3% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Deferred. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. 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

2026-01-27 13:41Z9 MO AGO

Last updated

2026-06-02 13:00Z4 MO AGO

Reserved

2026-01-27

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Medium (CVSS 4.2)

CNA CVSS vector

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

Weaknesses

• CWE-787Out-of-bounds WriteBase

Data version

5.2

Document digest

f42f0c4f1df7f767f990753752bf1dbc1da8930d3ee26a7f750dcd96281685a2

• access.redhat.comhttps://access.redhat.com/security/cve/CVE-2026-1484vdb-entryx_refsource_REDHAT
• bugzilla.redhat.comRHBZ#2433259https://bugzilla.redhat.com/show_bug.cgi?id=2433259issue-trackingx_refsource_REDHAT
• gitlab.gnome.orghttps://gitlab.gnome.org/GNOME/glib/-/issues/3870
• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-253495.html