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

VERIFIED FIXED

Status

()

Core
Graphics
--
critical
VERIFIED FIXED
7 years ago
5 years ago

People

(Reporter: posidron, Assigned: jfkthame)

Tracking

(Blocks: 1 bug, {verified1.9.2})

1.9.2 Branch
x86
Mac OS X
verified1.9.2
Points:
---
Dependency tree / graph

Firefox Tracking Flags

(blocking2.0 final+, status1.9.2 .13-fixed, status1.9.1 .16-fixed)

Details

Attachments

(2 attachments)

(Reporter)

Description

7 years ago
Created attachment 473318 [details]
testcase

Number of replaced values: 4
Offset:  35791/0x008bcf	Value: ['50', 'ab']
Offset:  42173/0x00a4bd	Value: ['dd', '7d']
Offset: 109268/0x01aad4	Value: ['a0', '3f', 'c0']
Offset: 134707/0x020e33	Value: ['38', '44', '19']

Execute the provided html file.
(Reporter)

Comment 1

7 years ago
Created attachment 473319 [details]
callstack
blocking2.0: --- → ?

Updated

7 years ago
Assignee: nobody → jdaggett

Updated

7 years ago
Summary: Malformed font leads to crash [@OTL::GCommon::FilterFeatures] → Malformed font leads to crash in Apple's ATSUI [@OTL::GCommon::FilterFeatures]
blocking2.0: ? → final+
(Assignee)

Comment 2

7 years ago
This will be fixed by the OTS sanitizer (bug 527276).
Depends on: 527276
(Assignee)

Comment 3

7 years ago
Fixed by the sanitizer dropping the bad table from the font, which is loaded and used safely.
Assignee: jdaggett → jfkthame
Status: NEW → RESOLVED
Last Resolved: 7 years ago
status1.9.2: --- → .13-fixed
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
status1.9.1: --- → .16-fixed
(Reporter)

Updated

5 years ago
Blocks: 750695
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