Bug 1249920 (CVE-2016-2801)

graphite2: heap-buffer-overflow read in [@graphite2::TtfUtil::CmapSubtable12Lookup] TtfUtil.cpp:1126

RESOLVED FIXED

Status

()

Core
Graphics: Text
--
critical
RESOLVED FIXED
2 years ago
2 years ago

People

(Reporter: tsmith, Unassigned)

Tracking

(Blocks: 1 bug, {csectype-bounds, sec-high, testcase})

unspecified
x86
All
csectype-bounds, sec-high, testcase
Points:
---
Dependency tree / graph

Firefox Tracking Flags

(firefox45 fixed, firefox46 fixed, firefox47 fixed, firefox-esr3845+ fixed)

Details

(Whiteboard: [adv-main45+][adv-esr38.7+])

Attachments

(3 attachments)

(Reporter)

Description

2 years ago
Created attachment 8721699 [details]
call_stack.txt

This was found while fuzzing graphite2 (32bit) 2c04f1eda80803d75ff94e53e67c64f108af6d06

This test case only seems to work on a 32bit build.
(Reporter)

Comment 1

2 years ago
Created attachment 8721700 [details]
test_case.ttf
(Reporter)

Comment 2

2 years ago
Created attachment 8721702 [details]
test_string.txt

Comment 3

2 years ago
Fixed? upstream in fb32e2e39ccd0980672f55052f75fc10f8736fb2
(Reporter)

Comment 4

2 years ago
Verified with graphite revision fb32e2e39ccd0980672f55052f75fc10f8736fb2
(Reporter)

Updated

2 years ago
Status: NEW → RESOLVED
Last Resolved: 2 years ago
status-firefox45: --- → fixed
status-firefox46: --- → fixed
status-firefox47: --- → fixed
status-firefox-esr38: --- → fixed
Depends on: 1252311
Resolution: --- → FIXED
Group: gfx-core-security → core-security-release
tracking-firefox-esr38: --- → 45+
Whiteboard: [adv-main45+][adv-esr38.7+]
Alias: CVE-2016-2801
Group: core-security-release
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