w3m: doesn't handle NULL in Common Name properly
Published Jun 16, 2010
6.8
MEDIUMCVSS 2.0
EPSS 1.49%
Description
istream.c in w3m 0.5.2 and possibly other versions, when ssl_verify_server is enabled, does not properly handle a '\0' character in a domain name in the (1) subject's Common Name or (2) Subject Alternative Name field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.
Affected products
No data.
No data.
Red Hat Enterprise Linux 5
w3m-0:0.5.1-17.el5_5
Fixed · RHSA-2010:0565
Red Hat Enterprise Linux 6
w3m
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | w3m-0:0.5.1-17.el5_5 | Fixed | RHSA-2010:0565 |
| Red Hat Enterprise Linux 6 | w3m | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
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 (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.49% (0.01491) | 73.17th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.49% (0.01491) | 70.66th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.84% (0.01841) | 81.36th | v4 (v2025.03.14) |
| Mar 29, 2025 | 4.28% (0.04283) | 81.05th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.06% (0.01060) | 76.10th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.42% (0.00421) | 75.05th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.42% (0.00421) | 73.55th | v3 (v2023.03.01) |
| Jul 3, 2023 | 0.42% (0.00421) | 70.67th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.30% (0.00297) | 64.53th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.54% (0.01537) | 74.52th | v2 (v2022.01.01) |
| Feb 13, 2023 | 1.54% (0.01537) | 74.00th | v2 (v2022.01.01) |
| Feb 3, 2023 | 2.69% (0.02686) | 82.44th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.54% (0.01537) | 72.41th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.54% (0.01537) | 51.33th | v2 (v2022.01.01) |
References (16)
- http://lists.fedoraproject.org/pipermail/package-announce/2010-July/044401.html vendor-advisoryx_refsource_FEDORA
- http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.html vendor-advisoryx_refsource_SUSE
- http://osvdb.org/65538 vdb-entryx_refsource_OSVDB
- http://secunia.com/advisories/40134 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/40733 third-party-advisoryx_refsource_SECUNIA
- http://www.openwall.com/lists/oss-security/2010/06/14/4 mailing-listx_refsource_MLIST
- http://www.redhat.com/support/errata/RHSA-2010-0565.html vendor-advisoryx_refsource_REDHAT
- http://www.securityfocus.com/bid/40837 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1024252 vdb-entryx_refsource_SECTRACK
- http://www.vupen.com/english/advisories/2010/1467 vdb-entryx_refsource_VUPENVendor Advisory
- http://www.vupen.com/english/advisories/2010/1879 vdb-entryx_refsource_VUPEN
- http://www.vupen.com/english/advisories/2010/1928 vdb-entryx_refsource_VUPEN
- https://access.redhat.com/security/cve/CVE-2010-2074 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=604855 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2010-2074
- https://www.cve.org/CVERecord?id=CVE-2010-2074
Change history (0)
No recorded changes yet.