CVE-2026-5392
LOW EPSS 5.5%
Published Apr 10, 20262mo ago · Modified Jun 17, 20261w ago
2.3 CVSS 4.0
Published Apr 10, 2026 2mo ago
Last Modified Jun 17, 2026 1w ago
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().
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Adjacent
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
5.5% percentile
Exploit & Patch Status
No Known Exploit
Patch Available
Weaknesses 1
CWE-125 Out-of-bounds Read Memory Safety
Affected Products 1
| Vendor | Product | Version | Range |
|---|---|---|---|
| wolfssl | wolfssl | * | <5.9.1 |
References 1
- github.com https://github.com/wolfssl/wolfssl/pull/10039
Remediation
- github.com https://github.com/wolfssl/wolfssl/pull/10039