ryan/mozjpeg
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Fix CVE-2013-6629 and CVE-2013-6630

Browse Source
This commit is contained in:
DRC
2013-11-21 18:31:08 +00:00
parent db6e007c44
commit c5aefc3659
2 changed files with 13 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
ChangeLog.txt
View File

@@ -45,6 +45,9 @@ entropy coding (by passing arguments of -progressive -arithmetic to cjpeg or
jpegtran, for instance) would result in an error, "Requested feature was jpegtran, for instance) would result in an error, "Requested feature was
omitted at compile time". omitted at compile time".
[4] Fixed a couple of issues whereby malformed JPEG images would cause
libjpeg-turbo to use uninitialized memory during decompression.
1.3.0 1.3.0
===== =====

11
jdmarker.c
View File

@@ -304,7 +304,7 @@ get_sos (j_decompress_ptr cinfo)
/* Process a SOS marker */ /* Process a SOS marker */
{ {
INT32 length; INT32 length;
int i, ci, n, c, cc; int i, ci, n, c, cc, pi;
jpeg_component_info * compptr; jpeg_component_info * compptr;
INPUT_VARS(cinfo); INPUT_VARS(cinfo);
@@ -348,6 +348,13 @@ get_sos (j_decompress_ptr cinfo)
TRACEMS3(cinfo, 1, JTRC_SOS_COMPONENT, cc, TRACEMS3(cinfo, 1, JTRC_SOS_COMPONENT, cc,
compptr->dc_tbl_no, compptr->ac_tbl_no); compptr->dc_tbl_no, compptr->ac_tbl_no);
/* This CSi (cc) should differ from the previous CSi */
for (pi = 0; pi < i; pi++) {
if (cinfo->cur_comp_info[pi] == compptr) {
ERREXIT1(cinfo, JERR_BAD_COMPONENT_ID, cc);
}
}
} }
/* Collect the additional scan parameters Ss, Se, Ah/Al. */ /* Collect the additional scan parameters Ss, Se, Ah/Al. */
@@ -465,6 +472,8 @@ get_dht (j_decompress_ptr cinfo)
for (i = 0; i < count; i++) for (i = 0; i < count; i++)
INPUT_BYTE(cinfo, huffval[i], return FALSE); INPUT_BYTE(cinfo, huffval[i], return FALSE);
MEMZERO(&huffval[count], (256 - count) * SIZEOF(UINT8));
length -= count; length -= count;
if (index & 0x10) { /* AC table definition */ if (index & 0x10) { /* AC table definition */