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SUSE:SLE-12-SP4:Update
lynx.6058
lynx-CVE-2017-1000211.patch
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File lynx-CVE-2017-1000211.patch of Package lynx.6058
--- a/src/HTML.c +++ b/src/HTML.c @@ -505,6 +505,8 @@ void HTML_put_character(HTStructured * me, int c) */ void HTML_put_string(HTStructured * me, const char *s) { + HTChunk *target = NULL; + #ifdef USE_PRETTYSRC char *translated_string = NULL; #endif @@ -525,15 +527,15 @@ void HTML_put_string(HTStructured * me, const char *s) break; /* Do Nothing */ case HTML_TITLE: - HTChunkPuts(&me->title, s); + target = &me->title; break; case HTML_STYLE: - HTChunkPuts(&me->style_block, s); + target = &me->style_block; break; case HTML_SCRIPT: - HTChunkPuts(&me->script, s); + target = &me->script; break; case HTML_PRE: /* Formatted text */ @@ -547,20 +549,20 @@ void HTML_put_string(HTStructured * me, const char *s) break; case HTML_OBJECT: - HTChunkPuts(&me->object, s); + target = &me->object; break; case HTML_TEXTAREA: - HTChunkPuts(&me->textarea, s); + target = &me->textarea; break; case HTML_SELECT: case HTML_OPTION: - HTChunkPuts(&me->option, s); + target = &me->option; break; case HTML_MATH: - HTChunkPuts(&me->math, s); + target = &me->math; break; default: /* Free format text? */ @@ -651,6 +653,15 @@ void HTML_put_string(HTStructured * me, const char *s) } /* for */ } } /* end switch */ + + if (target != NULL) { + if (target->data == s) { + CTRACE((tfp, "BUG: appending chunk to itself: `%.*s'\n", + target->size, target->data)); + } else { + HTChunkPuts(target, s); + } + } #ifdef USE_PRETTYSRC if (psrc_convert_string) { psrc_convert_string = FALSE;
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