w3m: multiple vulnerabilities, CVE-2018-6196, CVE-2018-6197, CVE-2018-6198

[Tatsuya Kinoshita <tats@xxxxxxxxxxxxxx>]

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Hi, w3m folks,

Recently, multiple security flaws have been fixed in Debian's w3m,
though the Debian security team manages the issues as minor/unimportant,
no DSA (Debian Security Advisory).

  - Fix stack overflow with malformed text [CVE-2018-6196]
  - Fix null deref with malformed text [CVE-2018-6197]
  - Fix /tmp file races only when ~/.w3m is unwritable [CVE-2018-6198]

cf. https://security-tracker.debian.org/tracker/source-package/w3m

The patched snapshot release tagged as v0.5.3+git20180125 is
available from:

  - https://salsa.debian.org/debian/w3m (new)
  - https://anonscm.debian.org/cgit/collab-maint/w3m.git (will be closed)
  - https://github.com/tats/w3m

Thanks,
- -- 
Tatsuya Kinoshita
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