Uncontrolled Recursion The advisory has been revoked - it doesn't affect any version of package cargo (opens in a new tab)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-CARGO-17377823
- published19 Jun 2026
- disclosed24 May 2026
Introduced: 24 May 2026
CVE-2026-9358 (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 cargo package and not the cargo package as distributed by RHEL.
A vulnerability was determined in postcss-selector-parser up to 6.1.2/7.1.2. Affected is the function toString of the file src/selectors/container.js of the component AST Serialization. Executing a manipulation can lead to uncontrolled recursion. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. Upgrading to version 6.1.3 and 7.1.3 is able to address this issue. This patch is called 5bc698cef66f8abd12610dc623e5d67cbc0f869d. It is suggested to upgrade the affected component. The vendor explains, that according to his definition "DoS on server-side on user-generated CSS is low risk for us (since most users compile own CSS with PostCSS)." The commits were backported to 6.x branch, which was the most downloaded version.
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2481006
- https://access.redhat.com/security/cve/CVE-2026-9358
- https://access.redhat.com/errata/RHSA-2026:22934
- https://gist.github.com/bx33661/581e3a38134601c04e19b4dfc9b459b9
- https://vuldb.com/submit/813080
- https://vuldb.com/vuln/365321
- https://vuldb.com/vuln/365321/cti
- https://github.com/postcss/postcss-selector-parser/commit/5bc698cef66f8abd12610dc623e5d67cbc0f869d
- https://github.com/postcss/postcss-selector-parser/releases/tag/7.1.3
- https://vuldb.com/cve/CVE-2026-9358