CVE-2016-1977: Buffer Overflow
First published: Sun Mar 13 2016(Updated: )
The Machine::Code::decoder::analysis::set_ref function in Graphite 2 before 1.3.6, as used in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7, allows remote attackers to execute arbitrary code or cause a denial of service (stack memory corruption) via a crafted Graphite smart font.
Credit: security@mozilla.org security@mozilla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| openSUSE | =42.1 | |
| openSUSE | =13.1 | |
| openSUSE | =13.2 | |
| SUSE Linux Enterprise Server | =12.0 | |
| Oracle Linux | =5.0 | |
| Oracle Linux | =6 | |
| Oracle Linux | =7 | |
| libgraphite2 | <=1.3.5 | |
| Mozilla Firefox | <=44.0.2 | |
| Mozilla Firefox | =38.0 | |
| Mozilla Firefox | =38.0.1 | |
| Mozilla Firefox | =38.0.5 | |
| Mozilla Firefox | =38.1.0 | |
| Mozilla Firefox | =38.1.1 | |
| Mozilla Firefox | =38.2.0 | |
| Mozilla Firefox | =38.2.1 | |
| Mozilla Firefox | =38.3.0 | |
| Mozilla Firefox | =38.4.0 | |
| Mozilla Firefox | =38.5.0 | |
| Mozilla Firefox | =38.5.1 | |
| Mozilla Firefox | =38.6.0 | |
| Mozilla Firefox | =38.6.1 | |
| Mozilla Firefox ESR | =38.0 | |
| Mozilla Firefox ESR | =38.0.1 | |
| Mozilla Firefox ESR | =38.0.5 | |
| Mozilla Firefox ESR | =38.1.0 | |
| Mozilla Firefox ESR | =38.1.1 | |
| Mozilla Firefox ESR | =38.2.0 | |
| Mozilla Firefox ESR | =38.2.1 | |
| Mozilla Firefox ESR | =38.3.0 | |
| Mozilla Firefox ESR | =38.4.0 | |
| Mozilla Firefox ESR | =38.5.0 | |
| Mozilla Firefox ESR | =38.5.1 | |
| Mozilla Firefox ESR | =38.6.0 | |
| Mozilla Firefox ESR | =38.6.1 |
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Reference Links
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00027.html
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00029.html
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00031.html
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00050.html
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00068.html
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00089.html
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00091.html
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00093.html
- http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00006.html
- http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00007.html
- http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00008.html
- http://www.debian.org/security/2016/dsa-3510
- http://www.debian.org/security/2016/dsa-3515
- http://www.debian.org/security/2016/dsa-3520
- http://www.mozilla.org/security/announce/2016/mfsa2016-37.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
- http://www.securityfocus.com/bid/84222
- http://www.securitytracker.com/id/1035215
- http://www.ubuntu.com/usn/USN-2917-1
- http://www.ubuntu.com/usn/USN-2917-2
- http://www.ubuntu.com/usn/USN-2917-3
- http://www.ubuntu.com/usn/USN-2927-1
- http://www.ubuntu.com/usn/USN-2934-1
- https://bugzilla.mozilla.org/show_bug.cgi?id=1248876
- https://security.gentoo.org/glsa/201605-06
- https://security.gentoo.org/glsa/201701-63
Frequently Asked Questions
What is the severity of CVE-2016-1977?
CVE-2016-1977 is considered a critical vulnerability that allows remote attackers to execute arbitrary code or cause a denial of service.
How do I fix CVE-2016-1977?
To mitigate CVE-2016-1977, update Graphite 2 to version 1.3.6 or later, and ensure Firefox is updated to version 45.0 or higher.
Which software is affected by CVE-2016-1977?
CVE-2016-1977 affects Graphite 2 prior to 1.3.6 and multiple versions of Mozilla Firefox and Firefox ESR.
What kind of attack is possible with CVE-2016-1977?
CVE-2016-1977 allows attackers to execute arbitrary code or cause stack memory corruption through specially crafted Graphite smart fonts.
Is CVE-2016-1977 still a risk in current software versions?
CVE-2016-1977 should not pose a risk if you are using updated versions of affected software, specifically Graphite 2 and Firefox.
- agent/references
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- collector/mitre-cve
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- source/NVD
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- collector/nvd-index
- vendor/opensuse
- canonical/opensuse
- version/opensuse/42.1
- version/opensuse/13.1
- version/opensuse/13.2
- vendor/suse
- canonical/suse linux enterprise server
- version/suse linux enterprise server/12.0
- vendor/oracle
- canonical/oracle linux
- version/oracle linux/5.0
- version/oracle linux/6
- version/oracle linux/7
- vendor/sil
- canonical/libgraphite2
- version/libgraphite2/1.3.5
- vendor/mozilla
- canonical/mozilla firefox
- version/mozilla firefox/44.0.2
- version/mozilla firefox/38.0
- version/mozilla firefox/38.0.1
- version/mozilla firefox/38.0.5
- version/mozilla firefox/38.1.0
- version/mozilla firefox/38.1.1
- version/mozilla firefox/38.2.0
- version/mozilla firefox/38.2.1
- version/mozilla firefox/38.3.0
- version/mozilla firefox/38.4.0
- version/mozilla firefox/38.5.0
- version/mozilla firefox/38.5.1
- version/mozilla firefox/38.6.0
- version/mozilla firefox/38.6.1
- canonical/mozilla firefox esr
- version/mozilla firefox esr/38.0
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- version/mozilla firefox esr/38.1.0
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- version/mozilla firefox esr/38.2.0
- version/mozilla firefox esr/38.2.1
- version/mozilla firefox esr/38.3.0
- version/mozilla firefox esr/38.4.0
- version/mozilla firefox esr/38.5.0
- version/mozilla firefox esr/38.5.1
- version/mozilla firefox esr/38.6.0
- version/mozilla firefox esr/38.6.1