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Threatist priority CRITICAL 0 HIGH 0 MEDIUM 1 LOW 1

Signals Exploited in the wild (KEV) 0 Patch available 2 No fix listed 0 Has CVE 2

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Impact type Code execution 1 Privilege escalation 0 Security bypass 0 Information disclosure 0 Tampering 0 Denial of service 0 Spoofing 0 Cross-site scripting 0 SQL injection 0

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Requirements No authentication 1 No user interaction 1

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Weakness (CWE) CWE-787 Out-of-bounds Write 2 CWE-122 Heap-based Buffer Overflow 1

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Advisory: grub2 — GLSA-202311-14 × Clear all filters

TI-2022-03464 CVE-2022-3775 · GHSA-8h84-vmjf-pcmj

Out-of-bounds write in grub2

Priority LOW 35

When rendering certain unicode sequences, grub2's font code doesn't proper validate if the informed glyph's width and height is constrained within bitmap size.

CVSS 3.1HIGH 7.1· Local · Low privileges · No interaction · EPSS 0.01044 · Published 2022-12-19 · Partial fix CWE-787

TI-2022-02403 CVE-2022-2601 · GHSA-c8f6-x9xm-x27g

Heap-based buffer overflow in grub2

Priority MEDIUM 40

A buffer overflow was found in grub_font_construct_glyph().

CVSS 3.1HIGH 8.6· Local · No auth · User interaction · EPSS 0.00515 · Published 2022-12-14 · Fixed CWE-122

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