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Vulnerability record · CVE-2021-32032 · published 21 May 2021

CVE-2021-32032: Trustedfirmware trusted firmware-m memory leak vulnerability

Trustedfirmware · Trusted Firmware M

In Trusted Firmware-M through 1.3.0, cleaning up the memory allocated for a multi-part cryptographic operation (in the event of a failure) can prevent the abort() operation in the associated cryptographic library from freeing internal resources, causing a memory leak.

7.5 CVSS 3.1 High EPSS 1.8% · top 22.7% CWE-401 · Memory leak
7.5CVSS 3.1 base score, v2 5.0
1.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

In Trusted Firmware-M through 1.3.0, cleaning up the memory allocated for a multi-part cryptographic operation (in the event of a failure) can prevent the abort() operation in the associated cryptographic library from freeing internal resources, causing a memory leak.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git/commit/?id=7e2e523a1c4e9ac7b9cc4fd551831f7639ed5ff9 Mailing ListPatchThird Party Advisory
https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git/tree/docs/security/security_advisories/crypto_multi_part_ops ExploitThird Party Advisory
https://www.trustedfirmware.org Vendor Advisory
https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git/commit/?id=7e2e523a1c4e9ac7b9cc4fd551831f7639ed5ff9 Mailing ListPatchThird Party Advisory
https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git/tree/docs/security/security_advisories/crypto_multi_part_ops ExploitThird Party Advisory
https://www.trustedfirmware.org Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-32032), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.