Description
An information disclosure vulnerability exists in curl <v8.1.0 when doing HTTP(S) transfers, libcurl might erroneously use the read callback (`CURLOPT_READFUNCTION`) to ask for data to send, even when the `CURLOPT_POSTFIELDS` option has been set, if the same handle previously wasused to issue a `PUT` request which used that callback. This flaw may surprise the application and cause it to misbehave and either send off the wrong data or use memory after free or similar in the second transfer. The problem exists in the logic for a reused handle when it is (expected to be) changed from a PUT to a POST.
Published: 2023-05-26
Score: 5.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

No remediation available yet.

Tracking

Sign in to view the affected projects.

Advisories
Source ID Title
Debian DLA Debian DLA DLA-3692-1 curl security update
Ubuntu USN Ubuntu USN USN-6237-1 curl vulnerabilities
Ubuntu USN Ubuntu USN USN-6237-3 curl vulnerabilities
History

Fri, 13 Feb 2026 20:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 3.7, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'}


Subscriptions

Apple Macos
Fedoraproject Fedora
Haxx Curl
Netapp Clustered Data Ontap H300s H300s Firmware H410s H410s Firmware H500s H500s Firmware H700s H700s Firmware Ontap Antivirus Connector
Redhat Enterprise Linux Jboss Core Services Logging Rhel Eus
cve-icon MITRE

Status: PUBLISHED

Assigner: hackerone

Published:

Updated: 2026-02-13T19:43:18.938Z

Reserved: 2023-03-14T00:00:00.000Z

Link: CVE-2023-28322

cve-icon Vulnrichment

Updated: 2024-08-02T12:38:25.091Z

cve-icon NVD

Status : Modified

Published: 2023-05-26T21:15:16.153

Modified: 2026-02-13T20:16:15.183

Link: CVE-2023-28322

cve-icon Redhat

Severity : Low

Publid Date: 2023-05-17T00:00:00Z

Links: CVE-2023-28322 - Bugzilla

cve-icon OpenCVE Enrichment

No data.