CVE-2018-6196
First published: Wed Jan 24 2018(Updated: )
w3m through 0.5.3 is prone to an infinite recursion flaw in HTMLlineproc0 because the feed_table_block_tag function in table.c does not prevent a negative indent value.
Credit: cve@mitre.org cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| W3m Project W3m | <=0.5.3 | |
| Canonical Ubuntu Linux | =12.04 | |
| Canonical Ubuntu Linux | =14.04 | |
| Canonical Ubuntu Linux | =16.04 | |
| Canonical Ubuntu Linux | =17.10 | |
| Tats W3m | <=0.5.3 | |
| ubuntu/w3m | <0.5.3-34ubuntu0.1 | 0.5.3-34ubuntu0.1 |
| ubuntu/w3m | <0.5.3-15ubuntu0.2 | 0.5.3-15ubuntu0.2 |
| ubuntu/w3m | <0.5.3-36 | 0.5.3-36 |
| ubuntu/w3m | <0.5.3-26ubuntu0.2 | 0.5.3-26ubuntu0.2 |
| debian/w3m | 0.5.3+git20210102-6+deb11u1 0.5.3+git20230121-2 |
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Reference Links
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00028.html
- https://github.com/tats/w3m/commit/8354763b90490d4105695df52674d0fcef823e92
- https://github.com/tats/w3m/issues/88
- https://lists.debian.org/debian-lts-announce/2020/04/msg00025.html
- https://usn.ubuntu.com/3555-1/
- https://usn.ubuntu.com/3555-2/
- https://launchpad.net/bugs/cve/CVE-2018-6196
- https://security-tracker.debian.org/tracker/CVE-2018-6196
- https://ubuntu.com/security/notices/USN-3555-1
- https://ubuntu.com/security/notices/USN-3555-2
- https://www.cve.org/CVERecord?id=CVE-2018-6196
- https://nvd.nist.gov/vuln/detail/CVE-2018-6196
- https://ubuntu.com/security/CVE-2018-6196
Frequently Asked Questions
What is CVE-2018-6196?
CVE-2018-6196 is a vulnerability in the w3m software through version 0.5.3, which allows for an infinite recursion flaw in HTMLlineproc0.
How severe is CVE-2018-6196?
CVE-2018-6196 has a severity score of 7.5 (high).
Which software versions are affected by CVE-2018-6196?
w3m versions 0.5.3-37, 0.5.3-37+deb10u1, 0.5.3+git20210102-6+deb11u1, and 0.5.3+git20230121-2 are affected.
How can I fix CVE-2018-6196?
To fix CVE-2018-6196, update your w3m software to version 0.5.3-36 if you are using Ubuntu, or follow the recommended updates for your specific distribution.
Where can I find more information about CVE-2018-6196?
More information about CVE-2018-6196 can be found at the following references: [1] [2] [3].
- collector/nvd-index
- agent/type
- agent/first-publish-date
- collector/launchpad-cve
- source/Launchpad
- agent/remedy
- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup
- agent/references
- agent/author
- agent/softwarecombine
- agent/description
- agent/weakness
- agent/severity
- collector/security-tracker-debian
- source/Debian
- collector/nvd-cve
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/tags
- agent/event
- collector/usn-cve
- source/Ubuntu
- vendor/w3m project
- canonical/w3m project w3m
- version/w3m project w3m/0.5.3
- vendor/canonical
- canonical/canonical ubuntu linux
- version/canonical ubuntu linux/12.04
- version/canonical ubuntu linux/14.04
- version/canonical ubuntu linux/16.04
- version/canonical ubuntu linux/17.10
- vendor/tats
- canonical/tats w3m
- version/tats w3m/0.5.3
- package-manager/debian
- package-manager/ubuntu