How severe is CVE-2021-32276?

CVE-2021-32276 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-2021-32276 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-32276?

CVE-2021-32276 primarily affects Faad2 Project Faad2. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-32276?

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

When was CVE-2021-32276 published?

CVE-2021-32276 was published on 2021-09-20 and last updated on 2026-06-17.

CVE-2021-32276

CVE-2021-32276 is a medium-severity vulnerability in Faad2 Project Faad2 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-476.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Faad2 Project Faad2
Published: 2021-09-20
Last modified: 2026-06-17

Description

An issue was discovered in faad2 through 2.10.0. A NULL pointer dereference exists in the function get_sample() located in output.c. It allows an attacker to cause Denial of Service.

Frequently asked questions

What is CVE-2021-32276?: An issue was discovered in faad2 through 2.10.0. A NULL pointer dereference exists in the function get_sample() located in output.c. It allows an attacker to cause Denial of Service.
How severe is CVE-2021-32276?: CVE-2021-32276 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-2021-32276 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-32276?: CVE-2021-32276 primarily affects Faad2 Project Faad2. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-32276?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-32276 published?: CVE-2021-32276 was published on 2021-09-20 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:faad2_project:faad2:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

More vulnerabilities in Faad2 Project Faad2

CVE-2021-32278 — High (CVSS 7.8): An issue was discovered in faad2 through 2.10.0. A heap-buffer-overflow exists in the function lt_prediction located in…
CVE-2021-32277 — High (CVSS 7.8): An issue was discovered in faad2 through 2.10.0. A heap-buffer-overflow exists in the function sbr_qmf_analysis_32…
CVE-2021-32274 — High (CVSS 7.8): An issue was discovered in faad2 through 2.10.0. A heap-buffer-overflow exists in the function sbr_qmf_synthesis_64…
CVE-2021-32273 — High (CVSS 7.8): An issue was discovered in faad2 through 2.10.0. A stack-buffer-overflow exists in the function ftypin located in…
CVE-2021-32272 — High (CVSS 7.8): An issue was discovered in faad2 before 2.10.0. A heap-buffer-overflow exists in the function stszin located in…
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