CVE-2018-6197: Null Pointer Dereference
First published: Wed Jan 24 2018(Updated: )
w3m through 0.5.3 is prone to a NULL pointer dereference flaw in formUpdateBuffer in form.c.
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
- http://www.securityfocus.com/bid/102846
- https://github.com/tats/w3m/commit/7fdc83b0364005a0b5ed869230dd81752ba022e8
- https://github.com/tats/w3m/issues/89
- 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-2018-6197
- https://security-tracker.debian.org/tracker/CVE-2018-6197
- https://ubuntu.com/security/notices/USN-3555-1
- https://ubuntu.com/security/notices/USN-3555-2
- https://www.cve.org/CVERecord?id=CVE-2018-6197
- https://nvd.nist.gov/vuln/detail/CVE-2018-6197
- https://ubuntu.com/security/CVE-2018-6197
Frequently Asked Questions
What is CVE-2018-6197?
CVE-2018-6197 is a vulnerability in the w3m web browser that allows for a NULL pointer dereference flaw in formUpdateBuffer in form.c.
How severe is CVE-2018-6197?
CVE-2018-6197 has a severity rating of high (7.5).
How can I fix CVE-2018-6197?
To fix CVE-2018-6197, update w3m to version 0.5.3-37 or later.
Which software versions are affected by CVE-2018-6197?
Versions of w3m through 0.5.3 are affected by CVE-2018-6197.
Where can I find more information about CVE-2018-6197?
You can find more information about CVE-2018-6197 at the following references: http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00028.html, http://www.securityfocus.com/bid/102846, https://github.com/tats/w3m/commit/7fdc83b0364005a0b5ed869230dd81752ba022e8
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