NetSurf 3.11 is vulnerable to Use After Free in dom_node_set_text_content function.
Priority LOW 29CWE-416Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
NetSurf 3.11 is vulnerable to Use After Free in dom_node_set_text_content function.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00324 25th 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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:netsurf-browser:netsurf:3.11:*:*:*:*:*:*:* | 3.11 | Vulnerable | netsurf-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
Timeline
- 2026-10-02 Threatist record created from CVE-2025-29699
- 2026-10-03 Alias added: GHSA-7cw3-hmgq-847v
References
More netsurf-browser Netsurf vulnerabilities
- 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-2025-28823 An issue in NetSurf v3.11 causes the application to read uninitialized heap memory when creating a dom_event structure. 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
- CVE-2025-29699 · CVE Program
- CVE-2025-29699 · NVD
- FIRST EPSS
- GHSA-7cw3-hmgq-847v · GitHub Advisory Database · CC BY 4.0
- CVE-2025-29699 · Red Hat security data · CC BY 4.0
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