Alerts This Week
Warning Icon 1 764
Alerts This Week
Warning Icon 1 764

Fedora 42: curl Important CVE-2025-9086 Out of Bounds Read

fedora
Calendar Grey September 20, 2025
Dist Fedora Esm H88
Learn how to fix critical vulnerabilities in cURL on Fedora 42 by updating cURL, checking security patches, reviewing configurations, testing functionality, and monitoring updates
Fix Out of bounds read for cookie path (CVE-2025-9086) Fix predictable WebSocket mask (CVE-2025-10148)

Summary

curl is a command line tool for transferring data with URL syntax, supporting

FTP, FTPS, HTTP, HTTPS, SCP, SFTP, TFTP, TELNET, DICT, LDAP, LDAPS, FILE, IMAP,

SMTP, POP3 and RTSP. curl supports SSL certificates, HTTP POST, HTTP PUT, FTP

uploading, HTTP form based upload, proxies, cookies, user+password

authentication (Basic, Digest, NTLM, Negotiate, kerberos...), file transfer

resume, proxy tunneling and a busload of other useful tricks.

Update Information:

Fix Out of bounds read for cookie path (CVE-2025-9086) Fix predictable WebSocket mask (CVE-2025-10148)

Topics%20covered

Topics Covered

security advisory fedora important out-of-bounds websocket cookie

Change Log

* Wed Sep 17 2025 Jan Macku - 8.11.1-6 - Fix Out of bounds read for cookie path (CVE-2025-9086) - Fix predictable WebSocket mask (CVE-2025-10148)

References


[ 1 ] Bug #2394853 - CVE-2025-10148 curl: predictable WebSocket mask [fedora-42] https://bugzilla.redhat.com/show_bug.cgi?id=2394853 [ 2 ] Bug #2394884 - CVE-2025-9086 curl: Curl out of bounds read for cookie path [fedora-42] https://bugzilla.redhat.com/show_bug.cgi?id=2394884

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2025-97ae15dc56' at the command line. For more information, refer to the dnf documentation available at http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

Severity
important
Lowest
Low
Medium
High
Critical

Name: curl
Product: Fedora 42
Version: 8.11.1
Release: 6.fc42
URL: https://curl.se/
Summary: A utility for getting files from remote servers (FTP, HTTP, and others)

Topics%20covered

Topics Covered

security advisory fedora important out-of-bounds websocket cookie

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here