Fixed packages 5
| Release | Package | Fixed in |
|---|---|---|
| Red Hat · Hardened Images 1 hummingbird:1 | libxml2 | 0:2.15.3-0.1.3.hum1 |
| Red Hat · Hardened Images 1 hummingbird:1 | libxml2-16 | 0:2.15.3-0.1.3.hum1 |
| Red Hat · Hardened Images 1 hummingbird:1 | libxml2-devel | 0:2.15.3-0.1.3.hum1 |
| Red Hat · Hardened Images 1 hummingbird:1 | libxml2-static | 0:2.15.3-0.1.3.hum1 |
| Red Hat · Hardened Images 1 hummingbird:1 | python3-libxml2 | 0:2.15.3-0.1.3.hum1 |
Vulnerabilities 1
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Medium 5.5
Libxml2: libxml2: null pointer dereference parsing nextcatalog without catalog attribute
A flaw was found in libxml2. A local user or an attacker providing a specially crafted XML catalog can trigger a NULL pointer dereference during XML catalog parsing. This occurs when a `nextCatalog` element lacks its mandatory `catalog` attribute, leading to …
References
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report
https://access.redhat.com/security/cve/CVE-2026-76781
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article
https://access.redhat.com/security/updates/classification/
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article
https://images.redhat.com/
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advisory
https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_57604.json
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2519776
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advisory
https://www.cve.org/CVERecord?id=CVE-2026-76781
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advisory
https://nvd.nist.gov/vuln/detail/CVE-2026-76781
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article
https://gitlab.gnome.org/GNOME/libxml2/-/commit/c6324894
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article
https://gitlab.gnome.org/GNOME/libxml2/-/merge_requests/442