How severe is CVE-2022-48334?

CVE-2022-48334 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-2022-48334 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-48334?

CVE-2022-48334 affects Widevine Trusted Application. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-48334?

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-2022-48334 published?

CVE-2022-48334 was published on 2023-06-26 and last updated on 2026-06-17.

CVE-2022-48334

CVE-2022-48334 is a critical-severity vulnerability in Widevine Trusted Application 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-190.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-190
Affected product: Widevine Trusted Application
Published: 2023-06-26
Last modified: 2026-06-17

Description

Widevine Trusted Application (TA) 5.0.0 through 5.1.1 has a drm_verify_keys total_len+file_name_len integer overflow and resultant buffer overflow.

Frequently asked questions

What is CVE-2022-48334?: Widevine Trusted Application (TA) 5.0.0 through 5.1.1 has a drm_verify_keys total_len+file_name_len integer overflow and resultant buffer overflow.
How severe is CVE-2022-48334?: CVE-2022-48334 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-2022-48334 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-48334?: CVE-2022-48334 affects Widevine Trusted Application. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-48334?: 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-2022-48334 published?: CVE-2022-48334 was published on 2023-06-26 and last updated on 2026-06-17.

References

https://cyberintel.es/cve/CVE-2022-48334_Buffer_Overflow_in_Widevine_drm_verify_keys_0x7370/

Affected products (1)

cpe:2.3:a:widevine:trusted_application:*:*:*:*:*:*:*:*

More vulnerabilities in Widevine Trusted Application

CVE-2022-48336 — Critical (CVSS 9.8): Widevine Trusted Application (TA) 5.0.0 through 7.1.1 has a PRDiagParseAndStoreData integer overflow and resultant…
CVE-2022-48335 — Critical (CVSS 9.8): Widevine Trusted Application (TA) 5.0.0 through 7.1.1 has a PRDiagVerifyProvisioning integer overflow and resultant…
CVE-2022-48333 — Critical (CVSS 9.8): Widevine Trusted Application (TA) 5.0.0 through 5.1.1 has a drm_verify_keys prefix_len+feature_name_len integer…
CVE-2022-48332 — Critical (CVSS 9.8): Widevine Trusted Application (TA) 5.0.0 through 5.1.1 has a drm_save_keys file_name_len integer overflow and resultant…
CVE-2022-48331 — Critical (CVSS 9.8): Widevine Trusted Application (TA) 5.0.0 through 5.1.1 has a drm_save_keys feature_name_len integer overflow and…

All CVEs affecting Widevine Trusted Application →

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