CVE-2011-3634
lowpriority · track · 10EPSS 0.008 · 57 %ileEUUSEPSS · scored 2026-10-28
methods/https.cc in apt before 0.8.11 accepts connections when the certificate host name fails validation and Verify-Host is enabled, which allows man-in-the-middle attackers to obtain repository credentials via unspecified vectors.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (11)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (13)
External citations — patches, advisories, analysis.
- http://people.canonical.com/~ubuntu-security/cve/2011/CVE-2011-3634.htmlcnnvd
- http://www.ubuntu.com/usn/USN-1283-1cnnvd
- https://alioth.debian.org/plugins/scmgit/cgi-bin/gitweb.cgi?p=apt/apt.git%3Ba=blob%3Bf=debian/changelog%3Bhb=HEADcnnvd
- https://alioth.debian.org/plugins/scmgit/cgi-bin/gitweb.cgi?p=apt/apt.git;a=blob;f=debian/changelog;hb=HEADcnnvd
- https://bugs.launchpad.net/ubuntu/+source/apt/+bug/868353cnnvd
- http://people.canonical.com/~ubuntu-security/cve/2011/CVE-2011-3634.htmlenisa_euvd
- http://www.ubuntu.com/usn/USN-1283-1enisa_euvd
- https://alioth.debian.org/plugins/scmgit/cgi-bin/gitweb.cgi?p=apt/apt.git%3Ba=blob%3Bf=debian/changelog%3Bhb=HEADenisa_euvd
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