How severe is CVE-2022-36938?

CVE-2022-36938 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-2022-36938 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-36938?

CVE-2022-36938 affects Facebook Redex. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-36938?

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-2022-36938 published?

CVE-2022-36938 was published on 2022-11-11 and last updated on 2026-06-17.

CVE-2022-36938

CVE-2022-36938 is a critical-severity vulnerability in Facebook Redex 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-1284.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-1284
Affected product: Facebook Redex
Published: 2022-11-11
Last modified: 2026-06-17

Description

DexLoader function get_stringidx_fromdex() in Redex prior to commit 3b44c64 can load an out of bound address when loading the string index table, potentially allowing remote code execution during processing of a 3rd party Android APK file.

Frequently asked questions

What is CVE-2022-36938?: DexLoader function get_stringidx_fromdex() in Redex prior to commit 3b44c64 can load an out of bound address when loading the string index table, potentially allowing remote code execution during processing of a 3rd party Android APK file.
How severe is CVE-2022-36938?: CVE-2022-36938 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-2022-36938 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-36938?: CVE-2022-36938 affects Facebook Redex. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-36938?: 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-2022-36938 published?: CVE-2022-36938 was published on 2022-11-11 and last updated on 2026-06-17.

References

https://github.com/facebook/redex/commit/3b44c640346b77bfb7ef36e2413688dd460288d2

Affected products (1)

cpe:2.3:a:facebook:redex:*:*:*:*:*:*:*:*

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