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Wolfssl CVE-2026-3579

| EUVDEUVD-2026-13170 MEDIUM
Observable Discrepancy (CWE-203)
2026-03-19 wolfSSL
5.9
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
5.9 MEDIUM
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

4
Patch released
Mar 31, 2026 - 21:13 nvd
Patch available
EUVD ID Assigned
Mar 19, 2026 - 20:00 euvd
EUVD-2026-13170
Analysis Generated
Mar 19, 2026 - 20:00 vuln.today
CVE Published
Mar 19, 2026 - 19:37 nvd
MEDIUM 5.9

DescriptionCVE.org

wolfSSL 5.8.4 on RISC-V RV32I architectures lacks a constant-time software implementation for 64-bit multiplication. The compiler-inserted __muldi3 subroutine executes in variable time based on operand values. This affects multiple SP math functions (sp_256_mul_9, sp_256_sqr_9, etc.), leading to a timing side-channel that may expose sensitive cryptographic data.

AnalysisAI

CVE-2026-3579 is a security vulnerability (CVSS 5.9). Remediation should follow standard vulnerability management procedures.

Technical ContextAI

Vulnerability type not specified by vendor.

RemediationAI

Monitor vendor channels for patch availability.

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CVE-2017-2800 CRITICAL POC
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CVE-2015-6925 HIGH POC
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CVE-2022-39173 HIGH POC
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In wolfSSL before 5.5.1, malicious clients can cause a buffer overflow during a TLS 1.3 handshake. Rated high severity (

CVE-2022-38152 HIGH POC
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An issue was discovered in wolfSSL before 5.5.0. Rated high severity (CVSS 7.5), this vulnerability is remotely exploita

CVE-2020-11713 HIGH POC
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wolfSSL 4.3.0 has mulmod code in wc_ecc_mulmod_ex in ecc.c that does not properly resist timing side-channel attacks. Ra

CVE-2019-18840 HIGH POC
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In wolfSSL 4.1.0 through 4.2.0c, there are missing sanity checks of memory accesses in parsing ASN.1 certificate data wh

CVE-2020-15309 HIGH POC
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An issue was discovered in wolfSSL before 4.5.0, when single precision is not employed. Rated high severity (CVSS 7.0).

CVE-2020-24613 MEDIUM POC
6.8 Aug 24

wolfSSL before 4.5.0 mishandles TLS 1.3 server data in the WAIT_CERT_CR state, within SanityCheckTls13MsgReceived() in t

CVE-2015-7744 MEDIUM POC
5.9 Jan 22

wolfSSL (formerly CyaSSL) before 3.6.8 does not properly handle faults associated with the Chinese Remainder Theorem (CR

CVE-2022-38153 MEDIUM POC
5.9 Aug 31

An issue was discovered in wolfSSL before 5.5.0 (when --enable-session-ticket is used); however, only version 5.3.0 is e

CVE-2021-37155 CRITICAL
9.8 Jul 21

wolfSSL 4.6.x through 4.7.x before 4.8.0 does not produce a failure outcome when the serial number in an OCSP request di

Vendor StatusVendor

Debian

wolfssl
Release Status Fixed Version Urgency
bullseye vulnerable 4.6.0+p1-0+deb11u2 -
bookworm vulnerable 5.5.4-2+deb12u2 -
trixie vulnerable 5.7.2-0.1+deb13u1 -
forky, sid vulnerable 5.8.4-1 -
(unstable) fixed (unfixed) -

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CVE-2026-3579 vulnerability details – vuln.today

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