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Malformed font leads to crash in Apple's libTrueTypeScaler [@fnt_GC]

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

(status1.9.2 .13-fixed, status1.9.1 .16-fixed)

Details

Attachments

(2 attachments)

(Reporter)

Description

7 years ago
Created attachment 474960 [details]
testcase

Tag: b'fpgm' Checksum: 0x000103e6 Offset:  348/0x0000015c Length: 950

Table: b'fpgm'
Number of replaced values: 2
Offset: 104/0x000068  Value: ['20', '00']
Offset: 638/0x00027e  Value: ['00', '00', '00', '00', '00', '00', '00', '01']

THe decompiled fpgm table can be found inside the archive.
(Reporter)

Comment 1

7 years ago
Created attachment 474961 [details]
callstack

Updated

7 years ago
Assignee: nobody → jdaggett

Updated

7 years ago
Summary: Malformed font leads to crash [@fnt_GC] → Malformed font leads to crash in Apple's libTrueTypeScaler [@fnt_GC]

Comment 2

7 years ago
Fixed in 10.6.5 10H542 (seed build)
(Assignee)

Comment 3

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

Updated

7 years ago
Assignee: jdaggett → jfkthame
Status: NEW → RESOLVED
Last Resolved: 7 years ago
status1.9.2: --- → .13-fixed
Resolution: --- → FIXED
Verified fixed for 1.9.2.13 with Mozilla/5.0 (Macintosh; U; Intel Mac OS X
10.6; en-US; rv:1.9.2.13pre) Gecko/20101119 Namoroka/3.6.13pre. Crashes in
1.9.2.12 when run on OS X 10.6.4.
Status: RESOLVED → VERIFIED
Keywords: verified1.9.2
status1.9.1: --- → .16-fixed
(Reporter)

Updated

5 years ago
Blocks: 750695
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