PT-2026-84651

CVE-2026-18924

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Published

2026-09-02

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Updated

2026-11-03

Description by

CVSS 3.1
9.1
Critical
MetricsAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Name of the Vulnerable Software and Affected Versions libcurl (affected versions not specified)
Description A flaw exists in the handling of HTTP/2 Server Push streams. When the parent handle is configured to share connections with other handles, a use-after-free condition can occur during the cleanup process. Use-after-free is a memory corruption issue where an application continues to use a pointer after it has been freed.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploitability
Exploit
Impacts
Vendors
Affected products
Weakness enumeration
Related identifiers
AZL-99764
AZL-99780
AZL-99801
AZL-99834
AZL-99858
AZL-99879
CLSA-2026-1789475946
CLSA-2026-1789566546
CLSA-2026-1789899321
CLSA-2026-1789899690
CLSA-2026-1789899988
CLSA-2026-1789900215
CLSA-2026-1790152441
CLSA-2026-1790154364
ECHO-0181-5C6A-1EED
OESA-2026-4124
OESA-2026-4125
OESA-2026-4126
OESA-2026-4127
OESA-2026-4128
OPENSUSE-SU-2026:11696-1
SUSE-SU-2026:4954-1
SUSE-SU-2026:5068-1
SUSE-SU-2026:5069-1
USN-8820-1
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