Fixed packages 3
| Release | Package | Fixed in |
|---|---|---|
| Red Hat · Hardened Images 1 hummingbird:1 | efivar | 0:39-13.1.hum1 |
| Red Hat · Hardened Images 1 hummingbird:1 | efivar-devel | 0:39-13.1.hum1 |
| Red Hat · Hardened Images 1 hummingbird:1 | efivar-libs | 0:39-13.1.hum1 |
Vulnerabilities 1
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Medium 5.5
Efivar: efivar: denial of service due to stack overflow in device path node parsing
A flaw was found in libefiboot, a component of efivar. The device path node parser in libefiboot fails to validate that each node's Length field is at least 4 bytes, which is the minimum size for an EFI (Extensible Firmware Interface) device path node header.…
References
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report
https://access.redhat.com/security/cve/CVE-2026-6862
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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_69321.json
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2459982
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advisory
https://www.cve.org/CVERecord?id=CVE-2026-6862
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advisory
https://nvd.nist.gov/vuln/detail/CVE-2026-6862