ALSA-2026:92368: Important: curl security, bug fix, and enhancement update
The curl packages provide the libcurl library and the curl utility for downloading files from servers using various protocols, including HTTP, FTP, and LDAP.
Security Fix(es):
libcurl: libcurl: Security feature bypass due to improper mTLS connection reuse (CVE-2026-8932) curl: libcurl: Unauthorized connection reuse due to a logical error (CVE-2026-8458) curl: curl: Cookie injection via malicious HTTP server using super cookies (CVE-2026-8924) curl: curl: Information disclosure via incorrect Digest authentication header reuse (CVE-2026-11856) curl: Information disclosure due to uncleared proxy authentication state (CVE-2026-8927)
Bug Fix(es) and Enhancement(s):
Backport upstream curl PR #6852 ("h2: allow 100 streams by default") to AlmaLinux 8 libcurl (JIRA:RHEL-232829)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
almalinux/curlto a version that resolves this vulnerability.Fixed in 7.61.1-34.el8_10.18 - Upgrade
Upgrade
almalinux/libcurlto a version that resolves this vulnerability.Fixed in 7.61.1-34.el8_10.18 - Upgrade
Upgrade
almalinux/libcurl-develto a version that resolves this vulnerability.Fixed in 7.61.1-34.el8_10.18 - Upgrade
Upgrade
almalinux/libcurl-minimalto a version that resolves this vulnerability.Fixed in 7.61.1-34.el8_10.18 - Upgrade
Upgrade
AlmaLinux 8 libcurlto a version that resolves this vulnerability.Patch curl PR #6852
Event History
Child vulnerabilities
Contains the following vulnerabilities.
Frequently Asked Questions
Are minimal and development libcurl installations included in this update?
Yes. The affected software list includes libcurl-minimal and libcurl-devel, in addition to curl and libcurl.
Does the advisory specify any configuration changes or temporary mitigations?
No. It identifies package updates and CVEs but does not provide configuration-based mitigations or workaround instructions.