SB20260410113 - Fedora 44 update for curl

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Main Vulnerability Database SB20260410113

SB20260410113 - Fedora 44 update for curl

Published: April 10, 2026

Security Bulletin ID SB20260410113
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 4
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 4 vulnerabilities.


1) Authentication Bypass by Primary Weakness (CVE-ID: CVE-2026-1965)

CWE-ID: CWE-305 - Authentication Bypass by Primary Weakness

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to improper reuse of HTTP Negotiate connection. A remote attacker can bypass authentication and gain access to the target system.


2) Insufficiently protected credentials (CVE-ID: CVE-2026-3783)

CWE-ID: CWE-522 - Insufficiently Protected Credentials

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to gain access to sensitive information on the system.

The vulnerability exists due to insufficiently protected credentials When the OAuth2 bearer token is used for an HTTP(S) transfer. A remote attacker can gain access to sensitive information on the system.


3) Authentication Bypass by Primary Weakness (CVE-ID: CVE-2026-3784)

CWE-ID: CWE-305 - Authentication Bypass by Primary Weakness

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to wrong proxy connection reuse with credentials. A remote attacker can bypass authentication and gain access to the target system.


4) Use-after-free (CVE-ID: CVE-2026-3805)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when doing a second SMB request to the same host again. A remote attacker can gain access to sensitive information on the system.


Remediation

Install update from vendor's website.

References