CVE-2026-63451

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

0.14% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 4.0% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Analyzed. NVD last modified this record on 2026-09-28.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

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

2026-09-18 20:15Z1 MO AGO

Last updated

2026-09-21 16:21Z1 MO AGO

Reserved

2026-07-16

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Low (CVSS 3.3)

CNA CVSS vector

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

Weaknesses

• CWE-122Heap-based Buffer OverflowVariant

Data version

5.2

Document digest

787356214f8910e6a9a268a9da094d930db478d3a8258e4bfd9b5e14b150eeb2

• github.comhttps://github.com/OISF/suricata/security/advisories/GHSA-6qwq-j83r-qp34x_refsource_CONFIRM
• github.comhttps://github.com/OISF/suricata/pull/15807x_refsource_MISC
• github.comhttps://github.com/OISF/suricata/commit/5449ae170bfce213907d9bab87143a59774ed48fx_refsource_MISC
• github.comhttps://github.com/OISF/suricata/commit/d62acf5d75a61b76b16815e773408852f41b1975x_refsource_MISC
• github.comhttps://github.com/OISF/suricata/releases/tag/suricata-8.0.6x_refsource_MISC
• redmine.openinfosecfoundation.orghttps://redmine.openinfosecfoundation.org/issues/8590x_refsource_MISC