CVE-2021-46142

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

1.09% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 63.2% 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:N/UI:R/S:U/C:N/I:N/A:H

NVD analysis status

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

Red Hat severity

Low. 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

2022-01-06 03:48Z4 YR AGO

Last updated

2024-08-04 05:02Z2 YR AGO

Reserved

2022-01-06

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-416Use After FreeVariant
• CWE-401Missing Release of Memory after Effective LifetimeVariant

Data version

5.1

Document digest

c3dadf1e6ecf70e957d0f271451aca16421d2f32d544aa797ffbcc7090983f1f

• github.comhttps://github.com/uriparser/uriparser/pull/124x_refsource_MISC
• github.comhttps://github.com/uriparser/uriparser/issues/122x_refsource_MISC
• blog.hartwork.orghttps://blog.hartwork.org/posts/uriparser-096-with-security-fixes-released/x_refsource_CONFIRM
• lists.fedoraproject.orgFEDORA-2022-00a529a8bfhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MO6T7WA27H7K3WI2AXUAGPWBGK4HM65D/vendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2022-cfd0048127https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YGIJTDNEMU2V4H3JJBQVKBRHU5GBQKG2/vendor-advisoryx_refsource_FEDORA
• www.debian.orgDSA-5063https://www.debian.org/security/2022/dsa-5063vendor-advisoryx_refsource_DEBIAN