CVE-2026-49943

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

0.30% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 22.5% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Deferred. NVD last modified this record on 2026-07-22.

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

2026-06-02 16:16Z4 MO AGO

Last updated

2026-06-02 18:24Z4 MO AGO

Reserved

2026-06-02

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Medium (CVSS 6.3)

CNA CVSS vector

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

Weaknesses

• CWE-121Stack-based Buffer OverflowVariant
• CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base

Data version

5.2

Document digest

2f37527a4a73fb41c9ac5d1dd0fed893cc8a1a83ffad177e9d2e370f522a4be5

• bird.nic.czhttps://bird.nic.cz
• gitlab.nic.czhttps://gitlab.nic.cz/labs/bird/-/blob/master/NEWS