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Dear LittleCMS community: A null pointer dereference flaw was found in LittleCMS 1.18 by handling transformations on monochrome profiles. See attached a patch for lcms-1.18 that corrects such bug. I have repacked the distribution, applying this patch, to become: lcms-1.18a Description: Monochrome matrix-shaper profiles, when used as output may raise a NULL dereferencing when the curves are malformed. This bug is only exploitable if the application uses monochrome output, and then the crafted profile should be in the output direction. Does not affect input profiles, so an attacker could NOT use this flaw by creating a specially-crafted image. Patch contains: A check is performed an the function returns NULL when such error is detected. a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. Best regards Marti Maria The LittleCMS project http://www.littlecms.com |
lcms-CVE-2009-0793.patch
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