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TI-2025-28823 Aliases CVE-2025-45663GHSA-8m64-p66f-h4hv

An issue in NetSurf v3.11 causes the application to read uninitialized heap memory when creating a dom_event structure.

Priority LOW 29CWE-244Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Low · None · Low
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

An issue in NetSurf v3.11 causes the application to read uninitialized heap memory when creating a dom_event structure.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0037 31st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:netsurf-browser:netsurf:3.11:*:*:*:*:*:*:*3.11Vulnerablenetsurf-browser
  • cpe:2.3:a:netsurf-browser:netsurf:3.11:*:*:*:*:*:*:* Versions 3.11 Vulnerable ·netsurf-browser

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-45663
  2. 2026-10-03 Alias added: GHSA-8m64-p66f-h4hv

References

Exploit 1

Other 1

  • TI-2024-34321 An issue in NetSurf v.3.11 allows a remote attacker to execute arbitrary code via the dom_node_normalize function CVSS 3.1MEDIUM 6.5
  • TI-2025-21165 NetSurf 3.11 is vulnerable to Use After Free in dom_node_set_text_content function. CVSS 3.1MEDIUM 6.5
  • TI-2012-00779 Information-disclosure vulnerability in Netsurf through 2.8 due to a world-readable cookie jar. CVSS 3.1MEDIUM 5.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences