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| author | Tatsuya Kinoshita <tats@debian.org> | 2016-08-24 10:05:31 +0000 |
|---|---|---|
| committer | Tatsuya Kinoshita <tats@debian.org> | 2016-11-19 05:14:31 +0000 |
| commit | e0b3ef3c20810f7148d350ab17afd0ae8d433693 (patch) | |
| tree | bce2edaa4c189f3c58525c9ccdaed6710066e3e0 /form.c | |
| parent | Truncate max_width for renderTable (diff) | |
| download | w3m-e0b3ef3c20810f7148d350ab17afd0ae8d433693.tar.gz w3m-e0b3ef3c20810f7148d350ab17afd0ae8d433693.zip | |
Prevent segfault for formUpdateBuffer
Bug-Debian: https://github.com/tats/w3m/issues/22 [CVE-2016-9440]
Origin: https://anonscm.debian.org/cgit/collab-maint/w3m.git/commit/?id=4a8d16fc8d08206dd7142435054ee38ff41805b7
Diffstat (limited to 'form.c')
| -rw-r--r-- | form.c | 2 |
1 files changed, 2 insertions, 0 deletions
@@ -461,6 +461,8 @@ formUpdateBuffer(Anchor *a, Buffer *buf, FormItemList *form) #endif /* MENU_SELECT */ p = form->value->ptr; l = buf->currentLine; + if (!l) + break; if (form->type == FORM_TEXTAREA) { int n = a->y - buf->currentLine->linenumber; if (n > 0) |