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* gnu/packages/flex.scm (flex)[source]: Add patch. * gnu/packages/patches/flex-CVE-2016-6354.patch: New file. * gnu/local.mk (dist_patch_DATA): Add it.
30 lines
919 B
Diff
30 lines
919 B
Diff
Fix CVE-2016-6354 (Buffer overflow in generated code (yy_get_next_buffer).
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https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6354
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https://security-tracker.debian.org/tracker/CVE-2016-6354
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Patch copied from upstream source repository:
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https://github.com/westes/flex/commit/a5cbe929ac3255d371e698f62dc256afe7006466
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From a5cbe929ac3255d371e698f62dc256afe7006466 Mon Sep 17 00:00:00 2001
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From: Will Estes <westes575@gmail.com>
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Date: Sat, 27 Feb 2016 11:56:05 -0500
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Subject: [PATCH] Fixed incorrect integer type
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---
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src/flex.skl | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/src/flex.skl b/src/flex.skl
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index 36a526a..64f853d 100644
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--- a/src/flex.skl
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+++ b/src/flex.skl
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@@ -1703,7 +1703,7 @@ int yyFlexLexer::yy_get_next_buffer()
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else
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{
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- yy_size_t num_to_read =
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+ int num_to_read =
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YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1;
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while ( num_to_read <= 0 )
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