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CVE-2025-29699

NetSurf 3.11 is vulnerable to Use After Free in dom_node_set_text_content function.

6.5 Medium

NetSurf 3.11 is vulnerable to Use After Free in dom_node_set_text_content function.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
Low
Availability
Low

Exploit likelihood

0.32%Up 0.3 points since Nov 4, 2025
90%50%10%1%

What each source reports

CVE List Score used 6.5

NetSurf 3.11 is vulnerable to Use After Free in dom_node_set_text_content function.

Record
CVE-2025-29699
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Weakness
CWE-416
Updated
2026-11-02
EUVDEUVD-2025-37485 6.5

NetSurf 3.11 is vulnerable to Use After Free in dom_node_set_text_content function.

Record
EUVD-2025-37485
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Updated
2026-11-02
GitHub AdvisoriesGHSA-7cw3-hmgq-847v 6.5

NetSurf 3.11 is vulnerable to Use After Free in dom_node_set_text_content function.

NetSurf 3.11 is vulnerable to Use After Free in dom_node_set_text_content function.

Record
GHSA-7cw3-hmgq-847v
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Weakness
CWE-416
Updated
2026-11-02
NVD 6.5

NetSurf 3.11 is vulnerable to Use After Free in dom_node_set_text_content function.

Record
CVE-2025-29699
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Weakness
CWE-416
Updated
2026-11-05
OSV 6.5

NetSurf 3.11 is vulnerable to Use After Free in dom_node_set_text_content function.

Record
CVE-2025-29699
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Updated
2026-11-07
OSVDEBIAN-CVE-2025-29699 6.5

NetSurf 3.11 is vulnerable to Use After Free in dom_node_set_text_content function.

Record
DEBIAN-CVE-2025-29699
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Updated
2026-11-02
OSVUBUNTU-CVE-2025-29699 6.5

NetSurf 3.11 is vulnerable to Use After Free in dom_node_set_text_content function.

Record
UBUNTU-CVE-2025-29699
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
netsurf
Debian:12
 All versions, plus listed versions
3.10-13.10-23.10-33.10-3.13.11-13.11-23.11-33.11-4
 None known
netsurf
Debian:13
 All versions, plus listed versions
3.11-23.11-33.11-4
 None known
netsurf
Debian:14
 All versions, plus listed versions
3.11-23.11-33.11-4
 None known
netsurf
Ubuntu:16.04:LTS
 All versions, plus listed versions
3.2+dfsg-2.2build1
 None known
netsurf
Ubuntu:20.04:LTS
 All versions, plus listed versions
3.6-3.2
 None known
netsurf
Ubuntu:22.04:LTS
 All versions, plus listed versions
3.10-13.10-1build1
 None known
netsurf
Ubuntu:24.04:LTS
 All versions, plus listed versions
3.10-3.13.11-13.11-1build43.11-1build5
 None known
netsurf
Ubuntu:25.10
 All versions, plus listed versions
3.11-2
 None known
netsurf
Ubuntu:26.10
 All versions, plus listed versions
3.11-33.11-43.11-4ubuntu1
 None known
netsurf
Ubuntu:26.04:LTS
 All versions, plus listed versions
3.11-23.11-3
 None known

History

History
RecordedChangedSources
factsNVD
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-29699 is a medium vulnerability (CVSS 6.5) in Netsurf-browser Netsurf, published November 3, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.32%, the 25th percentile. No source names a fixed version.

References

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