CVE-2026-5392

MEDIUMNVD 5.45.4—

5.4

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 v3: 5.4
EG Score: 5.4(medium)
EPSS: 3.2%
KEV: Not listed

Published

April 10, 2026

Last Modified

April 29, 2026

References (1)

facts@wolfsslhttps://github.com/wolfssl/wolfssl/pull/10039

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-125Out-of-bounds Read

Data Freshness Timeline

(refreshed 12× in last 7d / 16× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-26 13:44 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-21 22:43 UTCepss_batch
2026-05-20 17:57 UTCEG score recompute
2026-05-20 17:57 UTCGHSA enrichment
2026-05-20 11:22 UTCepss_batch

Frequently asked(5)

What is CVE-2026-5392?

CVE-2026-5392 is a medium vulnerability published on April 10, 2026. 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().

When was CVE-2026-5392 disclosed?

CVE-2026-5392 was first published in the National Vulnerability Database on April 10, 2026, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-5392 actively exploited?

CVE-2026-5392 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 3.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-5392?

CVE-2026-5392 has a CVSS v3 base score of 5.4 (NVD).

How do I remediate CVE-2026-5392?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-5392, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2026-5392

📅 Published

🔄 Last Modified

🔗 References (1)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2026-5392?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (1)

Frequently asked(5)

Related CVEs(same CWE)