NULL Pointer Dereference Affecting w3m package, versions <0.5.3-36
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applicationsSnyk Learn
Learn about NULL Pointer Dereference vulnerabilities in an interactive lesson.
Start learning- Snyk IDSNYK-DEBIAN11-W3M-522065
- published25 Jan 2018
- disclosed25 Jan 2018
Introduced: 25 Jan 2018
CVE-2018-6197 (opens in a new tab)How to fix?
Upgrade Debian:11 w3m to version 0.5.3-36 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream w3m package and not the w3m package as distributed by Debian.
See How to fix? for Debian:11 relevant fixed versions and status.
w3m through 0.5.3 is prone to a NULL pointer dereference flaw in formUpdateBuffer in form.c.
References
- https://security-tracker.debian.org/tracker/CVE-2018-6197
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6197
- 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
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00028.html
- http://www.securityfocus.com/bid/102846
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-6197
- https://usn.ubuntu.com/3555-1/
- https://usn.ubuntu.com/3555-2/