Closed Bug 595703 Opened 14 years ago Closed 14 years ago

Malformed font leads to crash in Apple's ATSUI [@OTL::GCommon::ApplyLookupAt]

Categories

(Core :: Graphics, defect)

1.9.2 Branch
x86
macOS
defect
Not set
critical

Tracking

()

VERIFIED FIXED
Tracking Status
status1.9.2 --- .13-fixed
status1.9.1 --- .16-fixed

People

(Reporter: posidron, Assigned: jfkthame)

References

(Blocks 1 open bug)

Details

(Keywords: verified1.9.2)

Attachments

(2 files)

Attached file testcase
This bug has a simliar callstack to:
https://bugzilla.mozilla.org/show_bug.cgi?id=594627

Table: b'GSUB'
Number of replaced values: 4
Offset:   156/0x00009c	Value: ['20', '00']
Offset:   431/0x0001af	Value: ['00', '00', '00', '01']
Offset:  1142/0x000476	Value: ['80', '00', '00', '00']
Offset:  1382/0x000566	Value: ['80', '00', '00', '00']

Table: b'GPOS'
Number of replaced values: 2
Offset:  1730/0x0006c2	Value: ['ff', 'c4', '40', '0f']
Offset:  4438/0x001156	Value: ['80', '00']
Attached file callstack
Assignee: nobody → jdaggett
Summary: Malformed font leads to crash [@OTL::GCommon::ApplyLookupAt] → Malformed font leads to crash in Apple's ATSUI [@OTL::GCommon::ApplyLookupAt]
This will be fixed by the OTS sanitizer (bug 527276).
Depends on: CVE-2010-3768
Assignee: jdaggett → jfkthame
Status: NEW → RESOLVED
Closed: 14 years ago
Resolution: --- → FIXED
Verified fixed in 1.9.2.13 with Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6;
en-US; rv:1.9.2.13pre) Gecko/20101118 Namoroka/3.6.13pre using testcase. Test
no longer crashes as it does in 1.9.2.12.
Status: RESOLVED → VERIFIED
Keywords: verified1.9.2
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