What’s Vulnerable › Vulnerabilities

CVE-2021-28874

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-04-06 · updated 2026-06-17
• Weakness: CWE-120

Description

SerenityOS fixed as of c9f25bca048443e317f1994ba9b106f2386688c3 contains a buffer overflow vulnerability in LibTextCode through opening a crafted file.

Affected products

• SerenityOS: before 2021-03-15 — fixed in 2021-03-15

How to fix

Upgrade to a fixed version: SerenityOS 2021-03-15. Check the vendor advisory for mitigations.

References

• https://github.com/SerenityOS/serenity/commit/c9f25bca048443e317f1994ba9b106f2386688c3
• https://github.com/SerenityOS/serenity/issues/5769
• https://github.com/SerenityOS/serenity/pull/5802
• https://github.com/SerenityOS/serenity/commit/c9f25bca048443e317f1994ba9b106f2386688c3
• https://github.com/SerenityOS/serenity/issues/5769
• https://github.com/SerenityOS/serenity/pull/5802

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