Fixed packages 5
| Release | Package | Fixed in |
|---|---|---|
| Red Hat · RHEL 9.4 E4S rhel_e4s:9.4::appstream | yelp | 2:40.3-2.el9_4.2 |
| Red Hat · RHEL 9.4 E4S rhel_e4s:9.4::appstream | yelp-debuginfo | 2:40.3-2.el9_4.2 |
| Red Hat · RHEL 9.4 E4S rhel_e4s:9.4::appstream | yelp-debugsource | 2:40.3-2.el9_4.2 |
| Red Hat · RHEL 9.4 E4S rhel_e4s:9.4::appstream | yelp-libs | 2:40.3-2.el9_4.2 |
| Red Hat · RHEL 9.4 E4S rhel_e4s:9.4::appstream | yelp-libs-debuginfo | 2:40.3-2.el9_4.2 |
Vulnerabilities 1
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High 7.1
Yelp: yelp-xsl: overly permissive content security policy in yelp allows host file disclosure from flatpak applications
A flaw was found in Yelp due to an overly permissive Content Security Policy (CSP) implementation provided by yelp-xsl. A malicious Flatpak application can open crafted help content through the OpenURI portal. By embedding an untrusted CSS stylesheet within a…
References
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article
https://access.redhat.com/security/updates/classification/#important
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2494110
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advisory
https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_54540.json
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report
https://access.redhat.com/security/cve/CVE-2026-13601
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advisory
https://www.cve.org/CVERecord?id=CVE-2026-13601
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advisory
https://nvd.nist.gov/vuln/detail/CVE-2026-13601
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article
https://blogs.gnome.org/mcatanzaro/2026/05/11/flatpak-sandbox-escape-via-yelp/
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article
https://gitlab.gnome.org/GNOME/yelp/-/commit/c8c8244c8a812860782d635890c9b6c43ecc2639
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article
https://gitlab.gnome.org/GNOME/yelp/-/work_items/238