CVE-2023-28319

curl: use after free in SSH sha256 fingerprint check

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Severity

Moderate

Red Hat Product Security

5.9

CVSS 3.1

Review impact separately from score.

Published · May 17, 2023

Updated · September 21, 2026

Description

A use-after-free flaw was found in the Curl package. This flaw risks inserting sensitive heap-based data into the error message that users might see or is otherwise leaked and revealed.

Statement

This vulnerability does not affect the Curl package as shipped in Red Hat Enterprise Linux 6, 7, 8 and 9.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.9
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

CWE-416 · Use After Free