CVE-2026-56410Disclosure(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

xmlwf in libexpat before 2.8.2 has an integer overflow in resolveSystemId.

0.0/ 10 priority

Sources & remediation

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

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-2026-56410 xmlwf in libexpat before 2.8.2 has an integer overflow in resolveSystemId. https://www.cve.org/CVERecord?id=CVE-2026-56410 ----- Traducción: CVE-2026-56410 xmlwf en libexpat anterior a 2.8.2 tiene un desbordamiento de enteros en resolveSystemId. … http://infoflow.cloud`

    Post summary

    The tweet announces CVE‑2026‑56410, an integer overflow in libexpat before 2.8.2, and links to the CVE record for further details.

    0000028
    88 followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-56410 xmlwf in libexpat before 2.8.2 has an integer overflow in resolveSystemId. https://www.cve.org/CVERecord?id=CVE-2026-56410

    Post summary

    The statement notes CVE-2026-56410 as an integer overflow in libexpat’s resolveSystemId prior to v2.8.2 and links to the CVE record.

    00000390
    57.7K followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Applibexpat_projectlibexpat---

Explore more