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 domain name in the (1) subject's Common Name or (2) Subject
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.49% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 73.8% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2010-06-16 20:00Z16 YR AGO
- Last updated
- 2024-08-07 02:17Z2 YR AGO
- Reserved
- 2010-05-25
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-20Improper Input ValidationClass
- Data version
- 5.1
- Document digest
- 6560708702d3c9a595d5ddfbf5f5aee0afd5d1bba23edfdd7582095ac7cbc4d3
05 Affected products
06 References
- www.openwall.com[oss-security] 20100614 CVE Request: w3m does not check null bytes CN/subjAltNamehttp://www.openwall.com/lists/oss-security/2010/06/14/4
- secunia.com40134http://secunia.com/advisories/40134
- osvdb.org65538http://osvdb.org/65538
- www.securitytracker.com1024252http://www.securitytracker.com/id?1024252
- www.vupen.comADV-2010-1467http://www.vupen.com/english/advisories/2010/1467
- www.vupen.comADV-2010-1879http://www.vupen.com/english/advisories/2010/1879
- www.vupen.comADV-2010-1928http://www.vupen.com/english/advisories/2010/1928
- lists.opensuse.orgSUSE-SR:2010:014http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.html
- www.redhat.comRHSA-2010:0565http://www.redhat.com/support/errata/RHSA-2010-0565.html
- www.securityfocus.com40837http://www.securityfocus.com/bid/40837
- secunia.com40733http://secunia.com/advisories/40733
- lists.fedoraproject.orgFEDORA-2010-10369http://lists.fedoraproject.org/pipermail/package-announce/2010-July/044401.html
07 Fixed in
Debian 12
- w3m Fixed in 0.5.2-5
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- w3m Fixed in 0.5.2-5
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- w3m Fixed in 0.5.2-5
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.