VulnSocial

CVE-2026-56404Disclosure(libexpat_project / libexpat)

LOWCVSS 6.9 · MEDIUM

Signal is active with 2 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

libexpat before 2.8.2 has an integer overflow in addBinding.

libexpat_project CVEsBack to dashboard
0.0/ 10 priority

Sources & remediation

Patch / fix
Weakness type (CWE)
CWE-190

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Are you affected?

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

  • libexpat

Threat summary

  • 2 mentions across 1 observed day

What's happening

  • Technical details provided in 2 signals
  • Disclosure: 2 classified signals
  • 2 total mentions across 1 day

Affected systems

Vendors
libexpat_project
Products
libexpat

Deep dive

Activity timeline2 mentions / 1d
01122Mentions · 2026-06-21: 2Technical Details · 2026-06-21: 206-21
Signal classification1 categories
Disclosure
2100.0%
Referenced assets2 URLs
By indicator
Full discourse2 posts
  • Infoflowcloud@infoflowcloud
    Disclosure

    🚨*CVE* CVE-2026-56404 libexpat before 2.8.2 has an integer overflow in addBinding. https://www.cve.org/CVERecord?id=CVE-2026-56404 ----- Traducción: CVE-2026-56404 libexpat antes de 2.8.2 tiene un desbordamiento de entero en addBinding. https://www.cve.org/CVERecord?id=CVE-2026-56404 Fuente: `CVEne… http://infoflow.cloud`

    Post summary

    CVE-2026-56404 is an integer overflow in libexpat’s addBinding before version 2.8.2. No exploits, patches, or active exploitation are reported.

    0000041
    88 followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-56404 libexpat before 2.8.2 has an integer overflow in addBinding. https://www.cve.org/CVERecord?id=CVE-2026-56404

    Post summary

    The text announces CVE-2026-56404—an integer overflow in libexpat prior to version 2.8.2—and provides a link to its CVE record, with no PoC, exploit, active use, or mitigation details.

    00000584
    57.7K followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Applibexpat_projectlibexpat---

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