How severe is CVE-2023-2840?

CVE-2023-2840 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-2840 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-2840?

CVE-2023-2840 affects Gpac. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-2840?

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

When was CVE-2023-2840 published?

CVE-2023-2840 was published on 2023-05-22 and last updated on 2026-06-17.

CVE-2023-2840

CVE-2023-2840 is a critical-severity vulnerability in Gpac with a CVSS 3.x base score of 9.8. 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-476.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Gpac
Published: 2023-05-22
Last modified: 2026-06-17

Description

NULL Pointer Dereference in GitHub repository gpac/gpac prior to 2.2.2.

Frequently asked questions

What is CVE-2023-2840?: NULL Pointer Dereference in GitHub repository gpac/gpac prior to 2.2.2.
How severe is CVE-2023-2840?: CVE-2023-2840 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-2840 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-2840?: CVE-2023-2840 affects Gpac. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-2840?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-2840 published?: CVE-2023-2840 was published on 2023-05-22 and last updated on 2026-06-17.

References

Affected products (1)

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

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