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| author | Tatsuya Kinoshita <tats@debian.org> | 2016-08-15 11:07:56 +0000 |
|---|---|---|
| committer | Tatsuya Kinoshita <tats@debian.org> | 2016-11-19 05:11:41 +0000 |
| commit | f065a49616b8104973e30a2b031102d6b6e11080 (patch) | |
| tree | b15c95ffc0e1f8f86c1f52a8844d7c3ef785b22d /form.c | |
| parent | Prevent segfault with malformed input type (diff) | |
| download | w3m-f065a49616b8104973e30a2b031102d6b6e11080.tar.gz w3m-f065a49616b8104973e30a2b031102d6b6e11080.zip | |
Prevent segfault for formUpdateBuffer
Bug-Debian: https://github.com/tats/w3m/issues/9 [CVE-2016-9423]
Bug-Debian: https://github.com/tats/w3m/issues/10 [CVE-2016-9431]
Origin: https://anonscm.debian.org/cgit/collab-maint/w3m.git/commit/?id=9f0bdcfdf061db3520bd1f112bdc5e83acdec4be
Diffstat (limited to 'form.c')
| -rw-r--r-- | form.c | 2 |
1 files changed, 2 insertions, 0 deletions
@@ -477,6 +477,8 @@ formUpdateBuffer(Anchor *a, Buffer *buf, FormItemList *form) spos = a->start.pos; epos = a->end.pos; } + if (a->start.line != a->end.line || spos > epos) + epos = spos; pos = form_update_line(l, &p, spos, epos, COLPOS(l, epos) - col, rows > 1, form->type == FORM_INPUT_PASSWORD); |