From eba7fab890f43c2288107170b7dfcf76a63b471f Mon Sep 17 00:00:00 2001 From: Leo Famulari Date: Fri, 26 Aug 2016 18:11:58 -0400 Subject: gnu: flex: Fix CVE-2016-6354. * 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. --- gnu/packages/flex.scm | 1 + gnu/packages/patches/flex-CVE-2016-6354.patch | 30 +++++++++++++++++++++++++++ 2 files changed, 31 insertions(+) create mode 100644 gnu/packages/patches/flex-CVE-2016-6354.patch (limited to 'gnu/packages') diff --git a/gnu/packages/flex.scm b/gnu/packages/flex.scm index 20aff196e9..c2135a1bc0 100644 --- a/gnu/packages/flex.scm +++ b/gnu/packages/flex.scm @@ -36,6 +36,7 @@ (method url-fetch) (uri (string-append "mirror://sourceforge/flex/flex-" version ".tar.bz2")) + (patches (search-patches "flex-CVE-2016-6354.patch")) (sha256 (base32 "1sdqx63yadindzafrq1w31ajblf9gl1c301g068s20s7bbpi3ri4")))) diff --git a/gnu/packages/patches/flex-CVE-2016-6354.patch b/gnu/packages/patches/flex-CVE-2016-6354.patch new file mode 100644 index 0000000000..1f3cb028d4 --- /dev/null +++ b/gnu/packages/patches/flex-CVE-2016-6354.patch @@ -0,0 +1,30 @@ +Fix CVE-2016-6354 (Buffer overflow in generated code (yy_get_next_buffer). + +https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6354 +https://security-tracker.debian.org/tracker/CVE-2016-6354 + +Patch copied from upstream source repository: +https://github.com/westes/flex/commit/a5cbe929ac3255d371e698f62dc256afe7006466 + +From a5cbe929ac3255d371e698f62dc256afe7006466 Mon Sep 17 00:00:00 2001 +From: Will Estes +Date: Sat, 27 Feb 2016 11:56:05 -0500 +Subject: [PATCH] Fixed incorrect integer type + +--- + src/flex.skl | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/src/flex.skl b/src/flex.skl +index 36a526a..64f853d 100644 +--- a/src/flex.skl ++++ b/src/flex.skl +@@ -1703,7 +1703,7 @@ int yyFlexLexer::yy_get_next_buffer() + + else + { +- yy_size_t num_to_read = ++ int num_to_read = + YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1; + + while ( num_to_read <= 0 ) -- cgit v1.2.3