U-Boot vulnerabilities
USN-8930-1 fixed some vulnerabilities in U-Boot. This update provides the corresponding fix for U-Boot on Ubuntu 26.10. Original advisory details: Shahriyar Jalayeri and Mehrun P. Hunter discovered that U-Boot incorrectly handled certain NFS READ and NFS READLINK responses. An attacker could possibly use this issue to trigger a buffer overflow, resulting in a denial of service or arbitrary code execution. (CVE-2026-74220, CVE-2026-74221) Shahriyar Jalayeri and Mehrun P. Hunter discovered that U-Boot incorrectly handled certain HTTP data storage failures in its lwIP implementation. An attacker could possibly use this issue to trigger a use-after-free, resulting in a denial of service. (CVE-20
Read at Ubuntu Security Notices
- Vendor
- Canonical
- Product
- Ubuntu
- Exposure class
- Operating system
Why it ranks 25 (Notable)
- Product class: operating system
- Widely deployed vendor product (Canonical)
- Covered by 2 independent sources
- Vendor security advisory
- Recency: items published within 24 hours gain 15, within 72 hours 6, within 7 days 2.
Links
- Ubuntu Security Notices (ubuntu.com)
- CVE-2026-74220 on this site · NVD · CVE.org · Vulnpedia
- CVE-2026-74221 on this site · NVD · CVE.org · Vulnpedia
- CVE-2026-74222 on this site · NVD · CVE.org · Vulnpedia
- CVE-2026-74225 on this site · NVD · CVE.org · Vulnpedia
Related coverage
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