CVE-2026-6654

high Red Hat
CVSS v3 Base Score
7.3
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
EPSS Score
0.0%
Exploitation probability in 30 days
Top 96% most likely to be exploited
Attack Characteristics
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Confidentiality
Low
Integrity
Low
Availability
High
Published: April 20, 2026 (81 days ago)
Last Modified: April 20, 2026
Vendor: Red Hat
Source: REDHAT

Description

A flaw was found in the `thin_vec` component of `mozilla/thin-vec`. This vulnerability involves a memory management error known as a Double-Free/Use-After-Free (UAF), which occurs in the `IntoIter::drop` and `ThinVec::clear` functions. When a specific error condition (a panic in `ptr::drop_in_place`) is triggered, the system fails to correctly manage memory, potentially allowing an attacker to execute malicious code or cause the application to crash, leading to a denial of service.

CWE

CWE-1341

Affected Products

Red Hat Enterprise Linux 10Red Hat Enterprise Linux 7Red Hat Enterprise Linux 8Red Hat Enterprise Linux 9Red Hat Enterprise Linux AI (RHEL AI) 3

References

🔗 bugzilla.redhat.com 🔗 www.cve.org 🔗 nvd.nist.gov 🔗 github.com