diff options
Diffstat (limited to 'meta-oe/recipes-graphics/openjpeg/openjpeg/CVE-2020-27814-1.patch')
-rw-r--r-- | meta-oe/recipes-graphics/openjpeg/openjpeg/CVE-2020-27814-1.patch | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/meta-oe/recipes-graphics/openjpeg/openjpeg/CVE-2020-27814-1.patch b/meta-oe/recipes-graphics/openjpeg/openjpeg/CVE-2020-27814-1.patch new file mode 100644 index 0000000000..da06db6db7 --- /dev/null +++ b/meta-oe/recipes-graphics/openjpeg/openjpeg/CVE-2020-27814-1.patch @@ -0,0 +1,29 @@ +From eaa098b59b346cb88e4d10d505061f669d7134fc Mon Sep 17 00:00:00 2001 +From: Even Rouault <even.rouault@spatialys.com> +Date: Mon, 23 Nov 2020 13:49:05 +0100 +Subject: [PATCH] Encoder: grow buffer size in + opj_tcd_code_block_enc_allocate_data() to avoid write heap buffer overflow in + opj_mqc_flush (fixes #1283) + +Upstream-Status: Backport [https://launchpad.net/ubuntu/+archive/primary/+sourcefiles/openjpeg2/2.3.1-1ubuntu4.20.04.1/openjpeg2_2.3.1-1ubuntu4.20.04.1.debian.tar.xz] +CVE: CVE-2020-27814 +Signed-off-by: Virendra Thakur <virendra.thakur@kpit.com> +--- + src/lib/openjp2/tcd.c | 4 +++- + 1 file changed, 3 insertions(+), 1 deletion(-) + +--- a/src/lib/openjp2/tcd.c ++++ b/src/lib/openjp2/tcd.c +@@ -1235,9 +1235,11 @@ static OPJ_BOOL opj_tcd_code_block_enc_a + + /* +1 is needed for https://github.com/uclouvain/openjpeg/issues/835 */ + /* and actually +2 required for https://github.com/uclouvain/openjpeg/issues/982 */ ++ /* and +7 for https://github.com/uclouvain/openjpeg/issues/1283 (-M 3) */ ++ /* and +26 for https://github.com/uclouvain/openjpeg/issues/1283 (-M 7) */ + /* TODO: is there a theoretical upper-bound for the compressed code */ + /* block size ? */ +- l_data_size = 2 + (OPJ_UINT32)((p_code_block->x1 - p_code_block->x0) * ++ l_data_size = 26 + (OPJ_UINT32)((p_code_block->x1 - p_code_block->x0) * + (p_code_block->y1 - p_code_block->y0) * (OPJ_INT32)sizeof(OPJ_UINT32)); + + if (l_data_size > p_code_block->data_size) { |