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Heap-buffer-overflow in ft_glyphslot_alloc_bitmap |
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Issue descriptionDetailed report: https://cluster-fuzz.appspot.com/testcase?key=4683864838766592 Fuzzer: attekett_dom_fuzzer Job Type: linux_asan_chrome_mp Platform Id: linux Crash Type: Heap-buffer-overflow READ 4 Crash Address: 0x603000e3afed Crash State: ft_glyphslot_alloc_bitmap Load_SBit_Image tt_face_load_sbit_image Recommended Security Severity: Low Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_chrome_mp&range=284658:284897 Unminimized Testcase: https://cluster-fuzz.appspot.com/download/AMIfv96pjyy1C-VqFydoVbMa9VidKxtQto78NqU9eD56F4thE6RmmxtD5IxZ_znRadXPJiQYpCqf_jcAy_9OopOUl1WcfC7jkr5aWtdsgj8aTXBKOdPlV82M2t2XQaUMYyR4COdYR6I3MFc5pOGtJMfVOqDB7S6dz4FKBo-IBTk4huhkzsxdeKg?testcase_id=4683864838766592 Additional requirements: Requires Gestures Issue filed automatically. See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
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Jan 4 2017
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Jan 4 2017
We're slowly moving toward normally building in a newer FreeType now that we can properly fuzz it (with the ability for Chromium consumers to build with their own if they want, somewhat like HarfBuzz). Until then, we're not really going to fix this in old FreeType (it's probably fixed upstream now, I've seen bugs like this get fixed).
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Jan 5 2017
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Mar 2 2017
ClusterFuzz has detected this issue as fixed in range 453894:453925. Detailed report: https://cluster-fuzz.appspot.com/testcase?key=4683864838766592 Fuzzer: attekett_dom_fuzzer Job Type: linux_asan_chrome_mp Platform Id: linux Crash Type: Heap-buffer-overflow READ 4 Crash Address: 0x603000e3afed Crash State: ft_glyphslot_alloc_bitmap Load_SBit_Image tt_face_load_sbit_image Sanitizer: address (ASAN) Recommended Security Severity: Low Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_chrome_mp&range=284658:284897 Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_chrome_mp&range=453894:453925 Reproducer Testcase: https://cluster-fuzz.appspot.com/download/AMIfv96pjyy1C-VqFydoVbMa9VidKxtQto78NqU9eD56F4thE6RmmxtD5IxZ_znRadXPJiQYpCqf_jcAy_9OopOUl1WcfC7jkr5aWtdsgj8aTXBKOdPlV82M2t2XQaUMYyR4COdYR6I3MFc5pOGtJMfVOqDB7S6dz4FKBo-IBTk4huhkzsxdeKg?testcase_id=4683864838766592 Additional requirements: Requires Gestures See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information. If you suspect that the result above is incorrect, try re-doing that job on the test case report page.
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Apr 13 2017
This bug has been closed for more than 14 weeks. Removing security view restrictions. For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot |
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Comment 1 by mmoroz@chromium.org
, Jan 4 2017Labels: Pri-2
Owner: bunge...@chromium.org
Status: Available (was: Untriaged)