What is CVE-2022-36938?

CVE-2022-36938 is a critical-severity vulnerability in Facebook Redex, classified under Out-of-bounds Read. CVSS score: 9.8/10. Published 2022-11-11.

How severe is CVE-2022-36938?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Out-of-bounds Read in Facebook Redex

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.

Vulnerability class: Buffer Overflow

Published 2022-11-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.013 (68.8th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 68.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.013 · change: +0.000

Affected products

Facebook Redex — versions unspecified

Weakness classification (CWE)

References

github.com/facebook/redex/commit/3b44c640346b77bfb7ef36e2413688dd460288d2 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2022-36938?: CVE-2022-36938 is a critical-severity vulnerability in Facebook Redex, classified under Out-of-bounds Read. CVSS score: 9.8/10. Published 2022-11-11.
How severe is CVE-2022-36938?: Critical severity. CVSS v3 base score is 9.8 out of 10.