CVE-2026-43077

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.12% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 2.4% 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 2026-06-17.

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

2026-05-06 07:40Z4 MO AGO

Last updated

2026-05-11 22:17Z3 MO AGO

Reserved

2026-05-01

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-131Incorrect Calculation of Buffer SizeBase

Data version

5.2

Document digest

4e7c5582f85f5df1312b0f888a28da6f45f3bc56c7a279a4a5a7fd0fb50afe60

• git.kernel.orghttps://git.kernel.org/stable/c/74a66fdb5282d89e348b00c42cfca3a936946d94
• git.kernel.orghttps://git.kernel.org/stable/c/fd427dd84f224309afbcc2cb67c7bb770a01265c
• git.kernel.orghttps://git.kernel.org/stable/c/1c76b5675119f694458293a2a81f40731c69bd32
• git.kernel.orghttps://git.kernel.org/stable/c/e86ab1e5661386a874fbb8551f0c04b8e9f8ad22
• git.kernel.orghttps://git.kernel.org/stable/c/af2fa2fbbced26129813274b8b3f7705f280e174
• git.kernel.orghttps://git.kernel.org/stable/c/78cea133daf721698876e56135049a96d39d610a
• git.kernel.orghttps://git.kernel.org/stable/c/3afdc15d6173614d7d834517d9b65e7aa5a08548
• git.kernel.orghttps://git.kernel.org/stable/c/3d14bd48e3a77091cbce637a12c2ae31b4a1687c