CVE-2026-5392 Details
Description
Heap out-of-bounds read in PKCS7 parsing. A crafted PKCS7 message can trigger an OOB read on the heap. The missing bounds check is in the indefinite-length end-of-content verification loop in PKCS7_VerifySignedData().
A heap out-of-bounds read vulnerability has been identified in wolfSSL's PKCS7 message parsing. This issue arises from a missing bounds check in the indefinite-length end-of-content verification loop within the PKCS7_VerifySignedData() function. A crafted PKCS7 message can exploit this flaw, leading to an out-of-bounds read on the heap.
Users are advised to update to the latest version of wolfSSL, where this vulnerability has been addressed. Instructions for updating can be found in the wolfSSL documentation.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Apr 10, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/wolfssl/wolfssl/pull/10039 | [email protected] | Issue TrackingPatch |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-125 | Out-of-bounds Read | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| wolfssl wolfssl | < 5.9.1 |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Apr 29, 2026 | Initial Analysis | [email protected] |
| Apr 10, 2026 | New CVE Received | [email protected] |