CVE-2026-5393General(wolfssl / wolfssl)

LOWCVSS 9.1 · CRITICAL

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

Dual-Algorithm CertificateVerify out-of-bounds read. When processing a dual-algorithm CertificateVerify message, an out-of-bounds read can occur on crafted input. This can only occur when --enable-experimental and --enable-dual-alg-certs is used when building wolfSSL.

0.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-125

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • wolfssl

Threat summary

  • 3 mentions across 3 observed days
  • Momentum state: stable

What's happening

  • Technical details provided in 3 signals
  • General: 3 classified signals
  • Peaked 2d ago at 1 mentions (2026-04-09); latest day: 1
  • 3 total mentions across 3 days

Affected systems

Vendors
Products
wolfssl

Deep dive

Activity timeline3 mentions / 3d
00111Mentions · 2026-04-09: 1Mentions · 2026-04-10: 1Mentions · 2026-04-14: 1Technical Details · 2026-04-09: 1Technical Details · 2026-04-10: 1Technical Details · 2026-04-14: 104-0904-1004-14
Signal classification1 categories
General
3100.0%
Referenced assets4 URLs
Full discourse3 posts
  • CVE@CVEnew
    General

    CVE-2026-5393 Dual-Algorithm CertificateVerify out-of-bounds read. When processing a dual-algorithm CertificateVerify message, an out-of-bounds read can occur on crafted input. This … https://www.cve.org/CVERecord?id=CVE-2026-5393

    Post summary

    The text outlines an out-of-bounds read vulnerability (CVE‑2026‑5393) but provides no evidence of exploitation, patches, or PoC.

    00010180
    57.0K followersView on X
  • Vulmon Vulnerability Feed@VulmonFeeds
    General

    CVE-2026-5393 Out-of-Bounds Read in wolfSSL Dual-Algorithm CertificateVerify Pro... https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-5393 Vulnerability Alert Subscriptions: https://alerts.vulmon.com/?utm_source=twitter&utm_medium=social&utm_campaign=2102281&utm_content=1

    Post summary

    The post merely identifies CVE-2026-5393 as an out‑of‑bounds read in wolfSSL, with no further technical details, patches, or exploitation evidence.

    0000072
    4.0K followersView on X
  • CVEarity@CVEarity
    General

    ⚡ New CVE Alert: CVE-2026-5393 📊 Severity: 6.3 🚨 Risk Level: Medium 🧩 Affects: Multiple / Unspecified Products Reference: https://nvd.nist.gov/vuln/detail/CVE-2026-5393 #CVE-2026-5393 #CVE #Medium #CyberSecurity #InfoSec https://t.co/zKhHNgMJuT

    Post summary

    The tweet announces CVE‑2026‑5393 with a medium severity score and links to the NVD entry, but provides no exploit, patch, or detailed technical data beyond the risk rating.

    0000035
    123 followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appwolfsslwolfssl---

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