How severe is CVE-2021-32298?

CVE-2021-32298 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-32298 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-32298?

CVE-2021-32298 affects Libiff Project Libiff. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-32298?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-32298 published?

CVE-2021-32298 was published on 2021-09-20 and last updated on 2026-06-17.

CVE-2021-32298

CVE-2021-32298 is a high-severity vulnerability in Libiff Project Libiff with a CVSS 3.x base score of 8.8. 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: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Libiff Project Libiff
Published: 2021-09-20
Last modified: 2026-06-17

Description

An issue was discovered in libiff through 20190123. A global-buffer-overflow exists in the function IFF_errorId located in error.c. It allows an attacker to cause code Execution.

Frequently asked questions

What is CVE-2021-32298?: An issue was discovered in libiff through 20190123. A global-buffer-overflow exists in the function IFF_errorId located in error.c. It allows an attacker to cause code Execution.
How severe is CVE-2021-32298?: CVE-2021-32298 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-32298 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-32298?: CVE-2021-32298 affects Libiff Project Libiff. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-32298?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-32298 published?: CVE-2021-32298 was published on 2021-09-20 and last updated on 2026-06-17.

References

https://github.com/svanderburg/libiff/issues/10

Affected products (1)

cpe:2.3:a:libiff_project:libiff:*:*:*:*:*:*:*:*

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