CVE-2015-7221: Buffer Overflow
First published: Wed Dec 16 2015(Updated: )
Buffer overflow in the nsDeque::GrowCapacity function in xpcom/glue/nsDeque.cpp in Mozilla Firefox before 43.0 might allow remote attackers to cause a denial of service or possibly have unspecified other impact by triggering a deque size change.
Credit: security@mozilla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Firefox | <=42.0 | |
| Red Hat Fedora | =22 | |
| Red Hat Fedora | =23 | |
| SUSE Linux | =42.1 | |
| openSUSE | =13.1 | |
| openSUSE | =13.2 |
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Reference Links
- http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174083.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174253.html
- http://lists.opensuse.org/opensuse-updates/2015-12/msg00104.html
- http://lists.opensuse.org/opensuse-updates/2016-02/msg00007.html
- http://lists.opensuse.org/opensuse-updates/2016-02/msg00008.html
- http://www.mozilla.org/security/announce/2015/mfsa2015-144.html
- http://www.securityfocus.com/bid/79280
- http://www.securitytracker.com/id/1034426
- http://www.ubuntu.com/usn/USN-2833-1
- https://bugzilla.mozilla.org/show_bug.cgi?id=1199400
- https://hg.mozilla.org/mozilla-central/rev/7fd961937687
- https://security.gentoo.org/glsa/201512-10
Frequently Asked Questions
What is the severity of CVE-2015-7221?
CVE-2015-7221 has been classified as a moderate severity vulnerability that may lead to denial of service or other unspecified impacts.
How do I fix CVE-2015-7221?
To fix CVE-2015-7221, update Mozilla Firefox to version 43.0 or later, or apply the relevant patches provided by your Linux distribution.
What systems are affected by CVE-2015-7221?
CVE-2015-7221 affects Mozilla Firefox versions before 43.0 and certain versions of Fedora and openSUSE.
What type of vulnerability is CVE-2015-7221?
CVE-2015-7221 is a buffer overflow vulnerability that occurs in the nsDeque::GrowCapacity function.
Can CVE-2015-7221 be exploited remotely?
Yes, CVE-2015-7221 can potentially be exploited by remote attackers to trigger a denial of service.
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- version/firefox/42.0
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- version/red hat fedora/22
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- version/opensuse/13.1
- version/opensuse/13.2