CVE-2021-43618
CVSS v3
7.5
HIGH
EPSS Score
3.7 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
GNU Multiple Precision Arithmetic Library (GMP) through 6.2.1 has an mpz/inp_raw.c integer overflow and resultant buffer overflow via crafted input, leading to a segmentation fault on 32-bit platforms.
Technical details
- Published
- 2021-11-15
Frequently asked questions
What is CVE-2021-43618?
GNU Multiple Precision Arithmetic Library (GMP) through 6.2.1 has an mpz/inp_raw.c integer overflow and resultant buffer overflow via crafted input, leading to a segmentation fault on 32-bit platforms.
Is CVE-2021-43618 actively exploited?
Active exploitation of CVE-2021-43618 has not been confirmed. Its EPSS score was 3.7% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-43618?
CVE-2021-43618 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2021-43618 affecting your environment?
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