What’s Vulnerable › Vulnerabilities

CVE-2021-41054

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-09-13 · updated 2026-06-17
• Weakness: CWE-120

Description

tftpd_file.c in atftp through 0.7.4 has a buffer overflow because buffer-size handling does not properly consider the combination of data, OACK, and other options.

Affected products

• Atftp Project Atftp: through 0.7.4
• Debian Linux: 9.0

References

• https://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-41054
• https://lists.debian.org/debian-lts-announce/2021/11/msg00014.html
• https://sourceforge.net/p/atftp/code/ci/d255bf90834fb45be52decf9bc0b4fb46c90f205/
• https://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-41054
• https://lists.debian.org/debian-lts-announce/2021/11/msg00014.html
• https://sourceforge.net/p/atftp/code/ci/d255bf90834fb45be52decf9bc0b4fb46c90f205/

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