CVE-2026-5447Disclosure(wolfssl / wolfssl)

LOWCVSS 7.5 · HIGH

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

Heap buffer overflow in CertFromX509 via AuthorityKeyIdentifier size confusion. A heap buffer overflow occurs when converting an X.509 certificate internally due to incorrect size handling of the AuthorityKeyIdentifier extension.

0.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-122

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 2 observed days
  • Momentum state: stable

What's happening

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

Affected systems

Vendors
Products
wolfssl

Deep dive

Activity timeline3 mentions / 2d
01122Mentions · 2026-04-09: 2Mentions · 2026-04-14: 1Technical Details · 2026-04-09: 2Technical Details · 2026-04-14: 104-0904-14
Signal classification1 categories
Disclosure
3100.0%
Referenced assets3 URLs
Classification over time
DateTotalLabels
2026-04-092
Disclosure2
2026-04-141
Disclosure1
Full discourse3 posts
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-5447 Heap Buffer Overflow in CertFromX509 via AuthorityKeyIdentifier Size Confusion https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-5447

    Post summary

    The text announces a heap buffer overflow vulnerability in CertFromX509 triggered by AuthorityKeyIdentifier size confusion, but does not provide patch information, exploit code, or evidence of active exploitation.

    0000036
    4.0K followersView on X
  • Infoflowcloud@infoflowcloud
    Disclosure

    🚨*CVE* CVE-2026-5447 Heap buffer overflow in CertFromX509 via AuthorityKeyIdentifier size confusion. A heap buffer overflow occurs when converting an X.509 certificate internally due to inc… https://www.cve.org/CVERecord?id=CVE-2026-5447 ----- Traducción: CVE-2026-5447 des… http://infoflow.cloud`

    Post summary

    The post announces CVE‑2026‑5447, describing a heap buffer overflow in CertFromX509’s AuthorityKeyIdentifier handling, and links to the CVE record, but provides no PoC, exploit code, active exploitation, or remediation information.

    0000026
    67 followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-5447 Heap buffer overflow in CertFromX509 via AuthorityKeyIdentifier size confusion. A heap buffer overflow occurs when converting an X.509 certificate internally due to inc… https://www.cve.org/CVERecord?id=CVE-2026-5447

    Post summary

    The text announces CVE‑2026‑5447, a heap buffer overflow in CertFromX509 caused by an AuthorityKeyIdentifier size issue, without any evidence of PoC, exploitation, or remediation.

    00000145
    57.0K followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appwolfsslwolfssl---

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