How severe is CVE-2021-40592?

CVE-2021-40592 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-2021-40592 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-40592?

CVE-2021-40592 affects Gpac. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-40592?

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

When was CVE-2021-40592 published?

CVE-2021-40592 was published on 2022-06-08 and last updated on 2026-06-17.

CVE-2021-40592

CVE-2021-40592 is a medium-severity vulnerability in Gpac 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-835.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-835
Affected product: Gpac
Published: 2022-06-08
Last modified: 2026-06-17

Description

GPAC version before commit 71460d72ec07df766dab0a4d52687529f3efcf0a (version v1.0.1 onwards) contains loop with unreachable exit condition ('infinite loop') vulnerability in ISOBMFF reader filter, isoffin_read.c. Function isoffin_process() can result in DoS by infinite loop. To exploit, the victim must open a specially crafted mp4 file.

Frequently asked questions

What is CVE-2021-40592?: GPAC version before commit 71460d72ec07df766dab0a4d52687529f3efcf0a (version v1.0.1 onwards) contains loop with unreachable exit condition ('infinite loop') vulnerability in ISOBMFF reader filter, isoffin_read.c. Function isoffin_process() can result in DoS by infinite loop. To exploit, the victim must open a specially crafted mp4 file.
How severe is CVE-2021-40592?: CVE-2021-40592 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-2021-40592 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-40592?: CVE-2021-40592 affects Gpac. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-40592?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-40592 published?: CVE-2021-40592 was published on 2022-06-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:gpac:gpac:*:*:*:*:*:*:*:*

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