diff options
Diffstat (limited to 'src/3rdparty/zlib/CVE-2022-37434.patch')
| -rw-r--r-- | src/3rdparty/zlib/CVE-2022-37434.patch | 68 |
1 files changed, 0 insertions, 68 deletions
diff --git a/src/3rdparty/zlib/CVE-2022-37434.patch b/src/3rdparty/zlib/CVE-2022-37434.patch deleted file mode 100644 index db2c3ded14..0000000000 --- a/src/3rdparty/zlib/CVE-2022-37434.patch +++ /dev/null @@ -1,68 +0,0 @@ -From eff308af425b67093bab25f80f1ae950166bece1 Mon Sep 17 00:00:00 2001 -From: Mark Adler <fork@madler.net> -Date: Sat, 30 Jul 2022 15:51:11 -0700 -Subject: [PATCH] Fix a bug when getting a gzip header extra field with - inflate(). - -If the extra field was larger than the space the user provided with -inflateGetHeader(), and if multiple calls of inflate() delivered -the extra header data, then there could be a buffer overflow of the -provided space. This commit assures that provided space is not -exceeded. ---- - inflate.c | 5 +++-- - 1 file changed, 3 insertions(+), 2 deletions(-) - -diff --git a/inflate.c b/inflate.c -index 7be8c63..7a72897 100644 ---- a/inflate.c -+++ b/inflate.c -@@ -763,9 +763,10 @@ int flush; - copy = state->length; - if (copy > have) copy = have; - if (copy) { -+ len = state->head->extra_len - state->length; - if (state->head != Z_NULL && -- state->head->extra != Z_NULL) { -- len = state->head->extra_len - state->length; -+ state->head->extra != Z_NULL && -+ len < state->head->extra_max) { - zmemcpy(state->head->extra + len, next, - len + copy > state->head->extra_max ? - state->head->extra_max - len : copy); --- -2.37.1 - - -From 1eb7682f845ac9e9bf9ae35bbfb3bad5dacbd91d Mon Sep 17 00:00:00 2001 -From: Mark Adler <fork@madler.net> -Date: Mon, 8 Aug 2022 10:50:09 -0700 -Subject: [PATCH] Fix extra field processing bug that dereferences NULL - state->head. - -The recent commit to fix a gzip header extra field processing bug -introduced the new bug fixed here. ---- - inflate.c | 4 ++-- - 1 file changed, 2 insertions(+), 2 deletions(-) - -diff --git a/inflate.c b/inflate.c -index 7a72897..2a3c4fe 100644 ---- a/inflate.c -+++ b/inflate.c -@@ -763,10 +763,10 @@ int flush; - copy = state->length; - if (copy > have) copy = have; - if (copy) { -- len = state->head->extra_len - state->length; - if (state->head != Z_NULL && - state->head->extra != Z_NULL && -- len < state->head->extra_max) { -+ (len = state->head->extra_len - state->length) < -+ state->head->extra_max) { - zmemcpy(state->head->extra + len, next, - len + copy > state->head->extra_max ? - state->head->extra_max - len : copy); --- -2.37.1 - |