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CVE-2015-4496

Multiple integer overflows in libstagefright in Mozilla Firefox before 38.0 allow remote...

9.3 HighFix available

Multiple integer overflows in libstagefright in Mozilla Firefox before 38.0 allow remote attackers to execute arbitrary code via crafted sample metadata in an MPEG-4 video file, a related issue to CVE-2015-1538.

Exploit likelihood

4.02%Down 2.3 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 9.3

Multiple integer overflows in libstagefright in Mozilla Firefox before 38.0 allow remote attackers to execute arbitrary code via crafted sample metadata in an MPEG-4 video file, a related issue to CVE-2015-1538.

Record
CVE-2015-4496
CVSS 2.0
9.3 HighAV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness
CWE-189
Updated
2026-11-02
CVE List No score

Multiple integer overflows in libstagefright in Mozilla Firefox before 38.0 allow remote attackers to execute arbitrary code via crafted sample metadata in an MPEG-4 video file, a related issue to CVE-2015-1538.

Record
CVE-2015-4496
Updated
2026-11-02
EUVDEUVD-2015-4516 No score

Multiple integer overflows in libstagefright in Mozilla Firefox before 38.0 allow remote attackers to execute arbitrary code via crafted sample metadata in an MPEG-4 video file, a related issue to CVE-2015-1538.

Record
EUVD-2015-4516
Updated
2026-11-03
GitHub AdvisoriesGHSA-grmx-f2j7-2qwf No score

Multiple integer overflows in libstagefright in Mozilla Firefox before 38.0 allow remote...

Multiple integer overflows in libstagefright in Mozilla Firefox before 38.0 allow remote attackers to execute arbitrary code via crafted sample metadata in an MPEG-4 video file, a related issue to CVE-2015-1538.

Record
GHSA-grmx-f2j7-2qwf
Updated
2026-11-02
OSVMGASA-2015-0342 No score

Updated iceape packages fix security vulnerabilities

Updated iceape packages fix security issues:

Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 37.0, Firefox ESR 31.x before 31.6, and Thunderbird before 31.6 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors. (CVE-2015-0814, CVE-2015-0815)

Use-after-free vulnerability in the AppendElements function in Mozilla Firefox before 37.0, Firefox ESR 31.x before 31.6, and Thunderbird before 31.6 on Linux, when the Fluendo MP3 plugin for GStreamer is used, allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via a crafted MP3 file. (CVE-2015-0813)

Mozilla Firefox before 37.0 does not require an HTTPS session for lightweight theme add-on installations, which allows man-in-the-middle attackers to bypass an intended user-confirmation requirement by deploying a crafted web site and conducting a DNS spoofing attack against a mozilla.org subdomain. (CVE-2015-0812)

Mozilla Firefox before 37.0, Firefox ESR 31.x before 31.6, and Thunderbird before 31.6 do not properly restrict resource: URLs, which makes it easier for remote attackers to execute arbitrary JavaScript code with chrome privileges by leveraging the ability to bypass the Same Origin Policy, as demonstrated by the resource: URL associated with PDF.js. (CVE-2015-0816)

The QCMS implementation in Mozilla Firefox before 37.0 allows remote attackers to obtain sensitive information from process heap memory or cause a denial of service (out-of-bounds read) via an image that is improperly handled during transformation. (CVE-2015-0811)

The webrtc::VPMContentAnalysis::Release function in the WebRTC implementation in Mozilla Firefox before 37.0 uses incompatible approaches to the deallocation of memory for simple-type arrays, which might allow remote attackers to cause a denial of service (memory corruption) via unspecified vectors. (CVE-2015-0808)

The navigator.sendBeacon implementation in Mozilla Firefox before 37.0, Firefox ESR 31.x before 31.6, and Thunderbird before 31.6 processes HTTP 30x status codes for redirects after a preflight request has occurred, which allows remote attackers to bypass intended CORS access-control checks and conduct cross-site request forgery (CSRF) attacks via a crafted web site, a similar issue to CVE-2014-8638. (CVE-2015-0807)

The Off Main Thread Compositing (OMTC) implementation in Mozilla Firefox before 37.0 makes an incorrect memset call during interaction with the mozilla::layers::BufferTextureClient::AllocateForSurface function, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via vectors that trigger rendering of 2D graphics content. (CVE-2015-0805)

The Off Main Thread Compositing (OMTC) implementation in Mozilla Firefox before 37.0 attempts to use memset for a memory region of negative length during interaction with the mozilla::layers::BufferTextureClient::AllocateForSurface function, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via vectors that trigger rendering of 2D graphics content. (CVE-2015-0806)

The HTMLSourceElement::AfterSetAttr function in Mozilla Firefox before 37.0 does not properly constrain the original data type of a casted value during the setting of a SOURCE element's attributes, which allows remote attackers to execute arbitrary code or cause a denial of service (use-after-free) via a crafted HTML document. (CVE-2015-0803)

The HTMLSourceElement::BindToTree function in Mozilla Firefox before 37.0 does not properly constrain a data type after omitting namespace validation during certain tree-binding operations, which allows remote attackers to execute arbitrary code or cause a denial of service (use-after-free) via a crafted HTML document containing a SOURCE…

Record
MGASA-2015-0342
Updated
2026-11-02
OSVUBUNTU-CVE-2015-4496 No score

Multiple integer overflows in libstagefright in Mozilla Firefox before 38.0 allow remote attackers to execute arbitrary code via crafted sample metadata in an MPEG-4 video file, a related issue to CVE-2015-1538.

Record
UBUNTU-CVE-2015-4496
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
iceape
Mageia:4
From an advisory covering 27 CVEs
before 2.35-1.mga4
2.35-1.mga4
iceape
Mageia:5
From an advisory covering 27 CVEs
before 2.35-1.mga5
2.35-1.mga5
firefox
Red Hat:enterprise_linux:5::client
From an advisory covering 6 CVEs
before 0:38.0-4.el5_11
0:38.0-4.el5_11
firefox-debuginfo
Red Hat:enterprise_linux:5::client
From an advisory covering 6 CVEs
before 0:38.0-4.el5_11
0:38.0-4.el5_11
firefox
Red Hat:enterprise_linux:5::server
From an advisory covering 6 CVEs
before 0:38.0-4.el5_11
0:38.0-4.el5_11
firefox-debuginfo
Red Hat:enterprise_linux:5::server
From an advisory covering 6 CVEs
before 0:38.0-4.el5_11
0:38.0-4.el5_11
firefox
Red Hat:enterprise_linux:6::client
From an advisory covering 6 CVEs
before 0:38.0-4.el6_6
0:38.0-4.el6_6
firefox-debuginfo
Red Hat:enterprise_linux:6::client
From an advisory covering 6 CVEs
before 0:38.0-4.el6_6
0:38.0-4.el6_6
firefox
Red Hat:enterprise_linux:6::computenode
From an advisory covering 6 CVEs
before 0:38.0-4.el6_6
0:38.0-4.el6_6
firefox-debuginfo
Red Hat:enterprise_linux:6::computenode
From an advisory covering 6 CVEs
before 0:38.0-4.el6_6
0:38.0-4.el6_6
Show 11 moreShow less
Affected packages
PackageAffectedFixed
firefox
Red Hat:enterprise_linux:6::server
From an advisory covering 6 CVEs
before 0:38.0-4.el6_6
0:38.0-4.el6_6
firefox-debuginfo
Red Hat:enterprise_linux:6::server
From an advisory covering 6 CVEs
before 0:38.0-4.el6_6
0:38.0-4.el6_6
firefox
Red Hat:enterprise_linux:6::workstation
From an advisory covering 6 CVEs
before 0:38.0-4.el6_6
0:38.0-4.el6_6
firefox-debuginfo
Red Hat:enterprise_linux:6::workstation
From an advisory covering 6 CVEs
before 0:38.0-4.el6_6
0:38.0-4.el6_6
firefox
Red Hat:enterprise_linux:7::client
From an advisory covering 6 CVEs
before 0:38.0-3.el7_1
0:38.0-3.el7_1
firefox-debuginfo
Red Hat:enterprise_linux:7::client
From an advisory covering 6 CVEs
before 0:38.0-3.el7_1
0:38.0-3.el7_1
firefox
Red Hat:enterprise_linux:7::server
From an advisory covering 6 CVEs
before 0:38.0-3.el7_1
0:38.0-3.el7_1
firefox-debuginfo
Red Hat:enterprise_linux:7::server
From an advisory covering 6 CVEs
before 0:38.0-3.el7_1
0:38.0-3.el7_1
firefox
Red Hat:enterprise_linux:7::workstation
From an advisory covering 6 CVEs
before 0:38.0-3.el7_1
0:38.0-3.el7_1
firefox-debuginfo
Red Hat:enterprise_linux:7::workstation
From an advisory covering 6 CVEs
before 0:38.0-3.el7_1
0:38.0-3.el7_1
firefox
Ubuntu:14.04:LTS
before 40.0+build4-0ubuntu0.14.04.4, plus listed versions
24.0+build1-0ubuntu125.0+build3-0ubuntu0.13.10.128.0~b2+build1-0ubuntu228.0+build1-0ubuntu128.0+build2-0ubuntu1
Show 20 moreShow less
28.0+build2-0ubuntu229.0+build1-0ubuntu0.14.04.230.0+build1-0ubuntu0.14.04.331.0+build1-0ubuntu0.14.04.132.0+build1-0ubuntu0.14.04.132.0.3+build1-0ubuntu0.14.04.133.0+build2-0ubuntu0.14.04.134.0+build2-0ubuntu0.14.04.135.0+build3-0ubuntu0.14.04.235.0.1+build1-0ubuntu0.14.04.136.0+build2-0ubuntu0.14.04.436.0.1+build2-0ubuntu0.14.04.136.0.4+build1-0ubuntu0.14.04.137.0+build2-0ubuntu0.14.04.137.0.1+build1-0ubuntu0.14.04.137.0.2+build1-0ubuntu0.14.04.138.0+build3-0ubuntu0.14.04.139.0+build5-0ubuntu0.14.04.139.0.3+build2-0ubuntu0.14.04.140.0+build4-0ubuntu0.14.04.1
40.0+build4-0ubuntu0.14.04.4

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2015-4496 is a high vulnerability (CVSS 9.3) in Mozilla Firefox, published August 16, 2015. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.02%, the 90th percentile. Fixed in firefox 40.0+build4-0ubuntu0.14.04.4.

References

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Left out here: the rest of 1 source description. The JSON record has them.

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