PT-2026-31825 · Openssl · Openssl

J Laratro · Published 2026-04-09 · Updated 2026-04-14 · CVE-2026-5392

Positive Technologies (AI Summary)

CVSS v3.1

5.4

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions versions prior to 2.3

Description A heap out-of-bounds read issue exists in the PKCS7 parsing process. A specially crafted PKCS7 message can cause an out-of-bounds read on the heap. The issue is due to a missing bounds check within the indefinite-length end-of-content verification loop in the PKCS7 VerifySignedData() function.

Recommendations Update to version 2.3 or later.

Fix

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2026-5392

Affected Products

Openssl

References · 9

• https://github.com/wolfssl/wolfssl/pull/10039 · Patch
• https://cve.org/CVERecord?id=CVE-2026-5392 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-5392 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2026-5392 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-5392 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-5392 · Security Note
• https://ubuntu.com/security/CVE-2026-5392 · Vendor Advisory
• https://twitter.com/CVEarity/status/2042635561735983568 · Twitter Post
• https://twitter.com/VulmonFeeds/status/2044064940315521172 · Twitter Post