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-rw-r--r--main/lame/CVE-2017-9412_CVE-2017-11720.patch17
1 files changed, 17 insertions, 0 deletions
diff --git a/main/lame/CVE-2017-9412_CVE-2017-11720.patch b/main/lame/CVE-2017-9412_CVE-2017-11720.patch
new file mode 100644
index 0000000000..214ca459c6
--- /dev/null
+++ b/main/lame/CVE-2017-9412_CVE-2017-11720.patch
@@ -0,0 +1,17 @@
+Description: Avoid malformed wav causing floating point exception (integer divide by zero)
+Author: Fabian Greffrath <fabian+debian@greffrath.com>
+Bug-Debian: https://bugs.debian.org/777159
+
+--- a/frontend/get_audio.c
++++ b/frontend/get_audio.c
+@@ -1448,6 +1448,10 @@ parse_wave_header(lame_global_flags * gf
+ else {
+ (void) lame_set_in_samplerate(gfp, global_reader.input_samplerate);
+ }
++ /* avoid division by zero */
++ if (bits_per_sample < 1)
++ return -1;
++
+ global. pcmbitwidth = bits_per_sample;
+ global. pcm_is_unsigned_8bit = 1;
+ global. pcm_is_ieee_float = (format_tag == WAVE_FORMAT_IEEE_FLOAT ? 1 : 0);