What’s Vulnerable › Vulnerabilities

CVE-2021-26308

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-01-29 · updated 2026-06-17

Description

An issue was discovered in the marc crate before 2.0.0 for Rust. A user-provided Read implementation can gain access to the old contents of newly allocated memory, violating soundness.

Affected products

• Marc Project Marc: before 2.0.0 — fixed in 2.0.0

How to fix

Upgrade to a fixed version: Marc Project Marc 2.0.0. Check the vendor advisory for mitigations.

References

• https://rustsec.org/advisories/RUSTSEC-2021-0014.html
• https://rustsec.org/advisories/RUSTSEC-2021-0014.html

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