RHSA-2026:72506: curl security update

RHSA-2026:72506, released July 3, 2026, fixes 14 CVEs in curl (version 8.12.1-1.el10_0.10). None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

9.8

Base score, 0 to 10

Highest EPSS

0.0106

64th percentile

Priority of the 14 CVEs

Patch now 0
                                Urgent 0
                                High 12
                                Routine 2

Fixed package versions

Product	Release	Fixed in
curl	RHEL 10	8.12.1-1.el10_0.10

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2026-9079	stale proxy password leak	9.8	0.0106	None reported
High	CVE-2026-11856	cross-origin Digest auth state leak	9.8	0.0069	None reported
High	CVE-2026-8924	trailing dot domain super cookie	9.1	0.0066	None reported
High	CVE-2026-8927	env-set cross-proxy Digest auth state leak	9.1	0.0050	None reported
High	CVE-2026-3783	token leak with redirect and netrc	8.1	0.0050	None reported
High	CVE-2026-8926	password leak with netrc and user in URL	9.1	0.0044	None reported
High	CVE-2026-12064	proto-default skips SSH verification	7.5	0.0041	None reported
High	CVE-2026-8932	incomplete mTLS config matching in conn reuse	8.1	0.0040	None reported
High	CVE-2026-8458	wrong reuse for different services	8.1	0.0037	None reported
High	CVE-2026-9547	curl: When a libcurl-based application performs transfers via `SCP://` or `SFTP://` and utilizes the `CURLOPT_SSH_KEYFUNCTI...	8.1	0.0036	None reported
High	CVE-2026-8286	wrong STARTTLS connection reuse	8.1	0.0031	None reported
High	CVE-2026-1965	bad reuse of HTTP Negotiate connection	8.1	0.0030	None reported
Routine	CVE-2025-14819	OpenSSL partial chain store policy bypass	6.8	0.0076	None reported
Routine	CVE-2026-3784	wrong proxy connection reuse with credentials	6.5	0.0045	None reported

Also fixes CVE-2026-9079

ALAS2023-2026-2132
curl, curl-debuginfo, curl-debugsource and 7 more on amzn 2023
curl 8.14.1-2ubuntu1.4
curl on Ubuntu 25.10 (questing)
libcurl3t64-gnutls 8.14.1-2ubuntu1.4
libcurl3t64-gnutls on Ubuntu 25.10 (questing)
libcurl4t64 8.14.1-2ubuntu1.4
libcurl4t64 on Ubuntu 25.10 (questing)
curl 8.18.0-1ubuntu2.2
curl on Ubuntu 26.04.1 LTS (resolute)
libcurl3t64-gnutls 8.18.0-1ubuntu2.2
libcurl3t64-gnutls on Ubuntu 26.04.1 LTS (resolute)
libcurl4t64 8.18.0-1ubuntu2.2
libcurl4t64 on Ubuntu 26.04.1 LTS (resolute)
SUSE-SU-2026:2925-1
curl on sles 15.7

Vendor advisory

https://access.redhat.com/errata/RHSA-2026:72506

For tools and AI agents

This page as data: JSON · Markdown

Link to this page

If this page saved you time, a link to it in your ticket, advisory or write-up helps others find it.

HTML

<a href="https://patchblox.com/security/fix/linux/rhsa-2026-72506">RHSA-2026:72506 on Patchblox Patch Radar</a>

Reusing the data? How to credit Patch Radar.

Which servers are still behind?

Patchblox compares the installed package on every Linux machine against the fixed version for its release, including machines reported through Azure Update Manager.

Get a demo

Patch Radar data is free to use with attribution. Terms and how to credit it.

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.