Stack-based buffer overflow in fig2dev - CVE-2020-21533
Published: June 27, 2025
Vulnerability identifier: #VU112012
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-21533
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: mcj
Affected software:
fig2dev
fig2dev
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error within the read_textobject() function in read.c. A remote attacker can pass a specially crafted file to the application, trigger a stack-based buffer overflow and perform a denial of service (DoS) attack.
How to mitigate CVE-2020-21533
Install updates from vendor's website.