Use After Free The advisory has been revoked - it doesn't affect any version of package rust-toolset (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RHEL10-RUSTTOOLSET-19892468
- published18 Sept 2026
- disclosed6 Sept 2026
Introduced: 6 Sep 2026
CVE-2026-18924 (opens in a new tab)Amendment
The Red Hat security team deemed this advisory irrelevant for RHEL:10.
NVD Description
Note: Versions mentioned in the description apply only to the upstream rust-toolset package and not the rust-toolset package as distributed by RHEL.
A flaw in libcurl's handling of HTTP/2 Server Push streams, when the parent handle is set to share connections with other handles, can lead to use-after-free in the cleanup process.
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2529201
- https://access.redhat.com/security/cve/CVE-2026-18924
- https://access.redhat.com/errata/RHSA-2026:63161
- https://access.redhat.com/errata/RHSA-2026:63514
- https://curl.se/docs/CVE-2026-18924.html
- https://curl.se/docs/CVE-2026-18924.json
- https://hackerone.com/reports/3916059