CVE-2010-2074
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…
- 6.8MediumCVSS base score
- 1.5%Exploitation in 30 daysEPSS · top 26% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By redhat
- 22 days later
· 22 days later
Published
- 14 years later
· 14 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
- EPSS (exploitation in 30 days)
- 1.5% · top 26% of all CVEs (10 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.8.
Affected products
n/a
- affected n/a
References
12
- [oss-security] 20100614 CVE Request: w3m does not check null bytes CN/subjAltName (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 40134 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 65538 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- 1024252 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- ADV-2010-1467 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- ADV-2010-1879 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- ADV-2010-1928 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- SUSE-SR:2010:014 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- RHSA-2010:0565 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 40837 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 40733 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- FEDORA-2010-10369 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2010-2093 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2010-2074)Record last updated .