CVE-2021-32055

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

2.55% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 84.6% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Modified. 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

2021-05-05 15:06Z5 YR AGO

Last updated

2024-08-03 23:17Z2 YR AGO

Reserved

2021-05-05

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-125Out-of-bounds ReadBase
• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass

Data version

5.1

Document digest

b83135cf7f8a6350750a4a4c53a2636c1a40fe9fece5b35af8df068ac1f92383

• gitlab.comhttps://gitlab.com/muttmua/mutt/-/commit/7c4779ac24d2fb68a2a47b58c7904118f40965d5x_refsource_MISC
• lists.mutt.orghttp://lists.mutt.org/pipermail/mutt-announce/Week-of-Mon-20210503/000036.htmlx_refsource_MISC
• github.comhttps://github.com/neomutt/neomutt/commit/fa1db5785e5cfd9d3cd27b7571b9fe268d2ec2dcx_refsource_MISC
• security.gentoo.orgGLSA-202105-05https://security.gentoo.org/glsa/202105-05vendor-advisoryx_refsource_GENTOO