Closed Bug 597942 Opened 14 years ago Closed 14 years ago

Malformed font leads to crash in Apple's ATSUI [@AppendOTFeaturesFromTable]

Categories

(Core :: Graphics, defect)

1.9.2 Branch
x86
macOS
defect
Not set
critical

Tracking

()

VERIFIED FIXED
Tracking Status
blocking2.0 --- final+
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

(3 files, 1 obsolete file)

Attached file testcase (obsolete) —
Table: b'GPOS'
Number of replaced values: 4
Offset:  39/0x000027	Value: ['7f', 'ff']
Offset:  45/0x00002d	Value: ['ff', 'ff', 'ff', 'ff']
Offset:  47/0x00002f	Value: ['7f', 'ff']
Offset:  52/0x000034	Value: ['80', '00', '00', '00']

ProductName:	Mac OS X
ProductVersion:	10.6.5
BuildVersion:	10H542
Attached file callstack
blocking2.0: --- → ?
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:2.0b7pre) Gecko/20100921 Firefox/4.0b7pre

Running with harfbuzz disabled on 10.6.5 latest seed (10H542)
Attached file testcase
Attached is a new simplified testcase, callstack is the same.

Top Mode: replace
Sub Mode: table spread
Table: b'GSUB'
Number of values: 1
Offset:   55/0x000037  Value: ['ff', 'ff']
Attachment #476715 - Attachment is obsolete: true
Assignee: nobody → jdaggett
This will be fixed by the OTS sanitizer (bug 527276).
Depends on: CVE-2010-3768
blocking2.0: ? → final+
Assignee: jdaggett → jfkthame
Status: NEW → RESOLVED
Closed: 14 years ago
Resolution: --- → FIXED
Verified fixed in 1.9.2.13 (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. 1.9.2.12 crashes reliably with it and .13pre is unaffected.
Keywords: verified1.9.2
Status: RESOLVED → VERIFIED
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