How severe is CVE-2021-37530?

CVE-2021-37530 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2021-37530 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-37530?

CVE-2021-37530 primarily affects Fig2dev Project Fig2dev. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-37530?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-37530 published?

CVE-2021-37530 was published on 2022-01-12 and last updated on 2026-06-17.

CVE-2021-37530

CVE-2021-37530 is a medium-severity vulnerability in Fig2dev Project Fig2dev with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Fig2dev Project Fig2dev
Published: 2022-01-12
Last modified: 2026-06-17

Description

A denial of service vulnerabiity exists in fig2dev through 3.28a due to a segfault in the open_stream function in readpics.c.

Frequently asked questions

What is CVE-2021-37530?: A denial of service vulnerabiity exists in fig2dev through 3.28a due to a segfault in the open_stream function in readpics.c.
How severe is CVE-2021-37530?: CVE-2021-37530 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2021-37530 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-37530?: CVE-2021-37530 primarily affects Fig2dev Project Fig2dev. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-37530?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-37530 published?: CVE-2021-37530 was published on 2022-01-12 and last updated on 2026-06-17.

References

https://sourceforge.net/p/mcj/tickets/126/

Affected products (4)

cpe:2.3:a:fig2dev_project:fig2dev:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

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