CVE-2010-2074
istream.c in w3m 0.5.2 and possibly other versions, when ssl_verify_server is enabled, does not...
CVE-2010-2074 is a medium vulnerability (CVSS 6.8) in W3m, published June 16, 2010. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.49%, the 74th percentile. Fixed in w3m 0.5.2-5.
- Severity
- 6.8 MediumCVSS 2.0, NVD
- Exploit chance
- 1.49%EPSS, 74th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
0.5.2-5w3m +11 more
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.
Exploit likelihood
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
w3mDebian:12 | before 0.5.2-5 | 0.5.2-5 |
w3mDebian:13 | before 0.5.2-5 | 0.5.2-5 |
w3mDebian:14 | before 0.5.2-5 | 0.5.2-5 |
w3mRed Hat:enterprise_linux:5::client | before 0:0.5.1-17.el5_5 | 0:0.5.1-17.el5_5 |
w3m-debuginfoRed Hat:enterprise_linux:5::client | before 0:0.5.1-17.el5_5 | 0:0.5.1-17.el5_5 |
w3m-imgRed Hat:enterprise_linux:5::client | before 0:0.5.1-17.el5_5 | 0:0.5.1-17.el5_5 |
w3mRed Hat:enterprise_linux:5::server | before 0:0.5.1-17.el5_5 | 0:0.5.1-17.el5_5 |
w3m-debuginfoRed Hat:enterprise_linux:5::server | before 0:0.5.1-17.el5_5 | 0:0.5.1-17.el5_5 |
w3m-imgRed Hat:enterprise_linux:5::server | before 0:0.5.1-17.el5_5 | 0:0.5.1-17.el5_5 |
w3mSUSE:Linux Enterprise Server 11 SP4 From an advisory covering 28 CVEs | before 0.5.3.git20161120-4.1 | 0.5.3.git20161120-4.1 |
w3mSUSE:Linux Enterprise Server for SAP Applications 11 SP4 From an advisory covering 28 CVEs | before 0.5.3.git20161120-4.1 | 0.5.3.git20161120-4.1 |
w3mopenSUSE:Tumbleweed From an advisory covering 25 CVEs | before 0.5.3.git20161120-1.1 | 0.5.3.git20161120-1.1 |
What each source reports
NVD Score used
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.
- Record
CVE-2010-2074- CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE ListNo score
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.
- Record
CVE-2010-2074- Updated
- 2026-11-02
EUVDEUVD-2010-2093No score
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.
- Record
EUVD-2010-2093- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-xwjm-4v2q-p47fNo score
istream.c in w3m 0.5.2 and possibly other versions, when ssl_verify_server is enabled, does not...
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.
- Record
GHSA-xwjm-4v2q-p47f- Weakness
- CWE-20
- Updated
- 2026-11-02
OSVNo score
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.
- Record
CVE-2010-2074- Updated
- 2026-11-02
OSVDEBIAN-CVE-2010-2074No score
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.
- Record
DEBIAN-CVE-2010-2074- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:10235-1No score
w3m-0.5.3.git20161120-1.1 on GA media
These are all security issues fixed in the w3m-0.5.3.git20161120-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:10235-1- Updated
- 2026-11-02
OSVSUSE-SU-2016:3046-1No score
Security update for w3m
This update for w3m fixes the following issues:
- update to debian git version (bsc#1011293) addressed security issues: CVE-2016-9621: w3m: global-buffer-overflow write (bsc#1012020) CVE-2016-9622: w3m: null deref (bsc#1012021) CVE-2016-9623: w3m: null deref (bsc#1012022) CVE-2016-9624: w3m: near-null deref (bsc#1012023) CVE-2016-9625: w3m: stack overflow (bsc#1012024) CVE-2016-9626: w3m: stack overflow (bsc#1012025) CVE-2016-9627: w3m: heap overflow read + deref (bsc#1012026) CVE-2016-9628: w3m: null deref (bsc#1012027) CVE-2016-9629: w3m: null deref (bsc#1012028) CVE-2016-9630: w3m: global-buffer-overflow read (bsc#1012029) CVE-2016-9631: w3m: null deref (bsc#1012030) CVE-2016-9632: w3m: global-buffer-overflow read (bsc#1012031) CVE-2016-9633: w3m: OOM (bsc#1012032) CVE-2016-9434: w3m: null deref (bsc#1011283) CVE-2016-9435: w3m: use uninit value (bsc#1011284) CVE-2016-9436: w3m: use uninit value (bsc#1011285) CVE-2016-9437: w3m: write to rodata (bsc#1011286) CVE-2016-9438: w3m: null deref (bsc#1011287) CVE-2016-9439: w3m: stack overflow (bsc#1011288) CVE-2016-9440: w3m: near-null deref (bsc#1011289) CVE-2016-9441: w3m: near-null deref (bsc#1011290) CVE-2016-9442: w3m: potential heap buffer corruption (bsc#1011291) CVE-2016-9443: w3m: null deref (bsc#1011292)
- Record
SUSE-SU-2016:3046-1- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
References
openwall.com/lists/oss-security/2010/06/14/4
secunia.com/advisories/40134
osvdb.org/65538
securitytracker.com/id?1024252
vupen.com/english/advisories/2010/1467
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lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.html
redhat.com/support/errata/RHSA-2010-0565.html
securityfocus.com/bid/40837
lists.fedoraproject.org/pipermail/package-announce/2010-July/044401.html
nvd.nist.gov/vuln/detail/CVE-2010-2074
github.com/advisories/GHSA-xwjm-4v2q-p47f
security-tracker.debian.org/tracker/CVE-2010-2074
access.redhat.com/errata/RHSA-2010:0565
bugzilla.redhat.com/show_bug.cgi?id=604855
security.access.redhat.com/data/csaf/v2/advisories/2010/rhsa-2010_0565.json
cve.org/CVERecord?id=CVE-2010-2074
suse.com/support/update/announcement/2016/suse-su-20163046-1
bugzilla.suse.com/1011269