w3m: Global-buffer-overflow write in formUpdateBuffer
Published Dec 12, 2016
8.8
HIGHCVSS 3.0
EPSS 3.78%
Description
An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-31. Buffer overflow in the formUpdateBuffer function in w3m allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted HTML page.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
AV:N/AC:M/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.78% (0.03784) | 89.63th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.78% (0.03784) | 88.53th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.84% (0.00840) | 72.57th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.05% (0.02049) | 73.13th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.84% (0.00840) | 73.08th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.39% (0.01390) | 86.92th | v3 (v2023.03.01) |
| May 8, 2024 | 1.39% (0.01390) | 86.29th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.39% (0.01390) | 84.29th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.67% (0.03666) | 85.01th | v2 (v2022.01.01) |
| Oct 22, 2022 | 3.67% (0.03666) | 84.51th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.25% (0.03249) | 82.64th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.25% (0.03249) | 65.32th | v2 (v2022.01.01) |
References (9)
- http://www.openwall.com/lists/oss-security/2016/11/18/3 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.securityfocus.com/bid/94407 vdb-entryx_refsource_BID
- https://access.redhat.com/security/cve/CVE-2016-9429 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1399682 Issue Tracking
- https://github.com/tats/w3m/blob/master/ChangeLog x_refsource_CONFIRMIssue TrackingPatch
- https://github.com/tats/w3m/issues/29 x_refsource_CONFIRMIssue TrackingPatch
- https://nvd.nist.gov/vuln/detail/CVE-2016-9429
- https://security.gentoo.org/glsa/201701-08 vendor-advisoryx_refsource_GENTOO
- https://www.cve.org/CVERecord?id=CVE-2016-9429
| Link | Providers | Tags |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2016/11/18/3 | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| http://www.securityfocus.com/bid/94407 | vdb-entryx_refsource_BID | |
| https://access.redhat.com/security/cve/CVE-2016-9429 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1399682 | Issue Tracking | |
| https://github.com/tats/w3m/blob/master/ChangeLog | x_refsource_CONFIRMIssue TrackingPatch | |
| https://github.com/tats/w3m/issues/29 | x_refsource_CONFIRMIssue TrackingPatch | |
| https://nvd.nist.gov/vuln/detail/CVE-2016-9429 | ||
| https://security.gentoo.org/glsa/201701-08 | vendor-advisoryx_refsource_GENTOO | |
| https://www.cve.org/CVERecord?id=CVE-2016-9429 |
Change history (0)
No recorded changes yet.