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CVE-2014-1580

Mozilla Firefox before 33.0 does not properly initialize memory for GIF images, which allows...

5.0 MediumFix available

Mozilla Firefox before 33.0 does not properly initialize memory for GIF images, which allows remote attackers to obtain sensitive information from process memory via a crafted web page that triggers a sequence of rendering operations for truncated GIF data within a CANVAS element.

Exploit likelihood

2.27%Down 1.5 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 5.0

Mozilla Firefox before 33.0 does not properly initialize memory for GIF images, which allows remote attackers to obtain sensitive information from process memory via a crafted web page that triggers a sequence of rendering operations for truncated GIF data within a CANVAS element.

Record
CVE-2014-1580
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:P/I:N/A:N
Weakness
CWE-200
Updated
2026-11-02
CVE List No score

Mozilla Firefox before 33.0 does not properly initialize memory for GIF images, which allows remote attackers to obtain sensitive information from process memory via a crafted web page that triggers a sequence of rendering operations for truncated GIF data within a CANVAS element.

Record
CVE-2014-1580
Updated
2026-11-02
EUVDEUVD-2014-1656 No score

Mozilla Firefox before 33.0 does not properly initialize memory for GIF images, which allows remote attackers to obtain sensitive information from process memory via a crafted web page that triggers a sequence of rendering operations for truncated GIF data within a CANVAS element.

Record
EUVD-2014-1656
Updated
2026-11-03
GitHub AdvisoriesGHSA-g7cc-vgx4-gjp5 No score

Mozilla Firefox before 33.0 does not properly initialize memory for GIF images, which allows...

Mozilla Firefox before 33.0 does not properly initialize memory for GIF images, which allows remote attackers to obtain sensitive information from process memory via a crafted web page that triggers a sequence of rendering operations for truncated GIF data within a CANVAS element.

Record
GHSA-g7cc-vgx4-gjp5
Weakness
CWE-200
Updated
2026-11-02
OSVMGASA-2014-0419 No score

Updated iceape package fixes security vulnerabilities

Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 30.0, Firefox ESR 24.x before 24.6, and Thunderbird before 24.6 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors. (CVE-2014-1533)

Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 30.0 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors. (CVE-2014-1534)

The PropertyProvider::FindJustificationRange function in Mozilla Firefox before 30.0 allows remote attackers to execute arbitrary code or cause a denial of service (out-of-bounds read) via unspecified vectors. (CVE-2014-1536)

Use-after-free vulnerability in the mozilla::dom::workers::WorkerPrivateParent function in Mozilla Firefox before 30.0 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via unspecified vectors. (CVE-2014-1537)

Use-after-free vulnerability in the nsTextEditRules::CreateMozBR function in Mozilla Firefox before 30.0, Firefox ESR 24.x before 24.6, and Thunderbird before 24.6 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via unspecified vectors. (CVE-2014-1538)

Use-after-free vulnerability in the nsEventListenerManager::CompileEventHandlerInternal function in the Event Listener Manager in Mozilla Firefox before 30.0 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via crafted web content. (CVE-2014-1540)

Use-after-free vulnerability in the RefreshDriverTimer::Tick*Driver function in the SMIL Animation Controller in Mozilla Firefox before 30.0, Firefox ESR 24.x before 24.6, and Thunderbird before 24.6 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via crafted web content. (CVE-2014-1541)

Buffer overflow in the Speex resampler in the Web Audio subsystem in Mozilla Firefox before 30.0 allows remote attackers to execute arbitrary code via vectors related to a crafted AudioBuffer channel count and sample rate. (CVE-2014-1542)

Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 31.0, Firefox ESR 24.x before 24.7, and Thunderbird before 24.7 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors. (CVE-2014-1547)

Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 31.0 and Thunderbird before 31.0 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors. (CVE-2014-1548)

The mozilla::dom::AudioBufferSourceNodeEngine::CopyFromInputBuffer function in Mozilla Firefox before 31.0 and Thunderbird before 31.0 does not properly allocate Web Audio buffer memory, which allows remote attackers to execute arbitrary code or cause a denial of service (buffer overflow and application crash) via crafted audio content that is improperly handled during playback buffering. (CVE-2014-1549)

Use-after-free vulnerability in the MediaInputPort class in Mozilla Firefox before 31.0 and Thunderbird before 31.0 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) by leveraging incorrect Web Audio control-message ordering. (CVE-2014-1550)

Mozilla Firefox before 31.0 does not properly restrict use of drag-and-drop events to spoof customization events, which allows remote attackers to alter the placement of UI icons via crafted JavaScript code that is encountered during (1) page, (2) panel, or (3) toolbar customization. (CVE-2014-1561)

Use-after-free vulnerability in the nsDocLoader::OnProgress function in…

Record
MGASA-2014-0419
Updated
2026-11-02
OSVopenSUSE-SU-2024:10071-1 No score

MozillaFirefox-50.1.0-1.1 on GA media

These are all security issues fixed in the MozillaFirefox-50.1.0-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:10071-1
Updated
2026-11-02
Show 4 moreShow less
OSVopenSUSE-SU-2024:10218-1 No score

seamonkey-2.40-6.1 on GA media

These are all security issues fixed in the seamonkey-2.40-6.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:10218-1
Updated
2026-11-02
OSVopenSUSE-SU-2024:14572-1 No score

firefox-esr-128.5.1-1.1 on GA media

These are all security issues fixed in the firefox-esr-128.5.1-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:14572-1
Updated
2026-11-02
OSVUBUNTU-CVE-2014-1580 No score

Mozilla Firefox before 33.0 does not properly initialize memory for GIF images, which allows remote attackers to obtain sensitive information from process memory via a crafted web page that triggers a sequence of rendering operations for truncated GIF data within a CANVAS element.

Record
UBUNTU-CVE-2014-1580
Updated
2026-11-02
OSVUSN-2372-1 No score

firefox vulnerabilities

Bobby Holley, Christian Holler, David Bolter, Byron Campen, Jon Coppeard, Carsten Book, Martijn Wargers, Shih-Chiang Chien, Terrence Cole and Jeff Walden discovered multiple memory safety issues in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service via application crash, or execute arbitrary code with the privileges of the user invoking Firefox. (CVE-2014-1574, CVE-2014-1575)

Atte Kettunen discovered a buffer overflow during CSS manipulation. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a denial of service via application crash or execute arbitrary code with the privileges of the user invoking Firefox. (CVE-2014-1576)

Holger Fuhrmannek discovered an out-of-bounds read with Web Audio. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to steal sensitive information. (CVE-2014-1577)

Abhishek Arya discovered an out-of-bounds write when buffering WebM video in some circumstances. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a denial of service via application crash or execute arbitrary code with the privileges of the user invoking Firefox. (CVE-2014-1578)

Michal Zalewski discovered that memory may not be correctly initialized when rendering a malformed GIF in to a canvas in some circumstances. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to steal sensitive information. (CVE-2014-1580)

A use-after-free was discovered during text layout in some circumstances. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a denial of service via application crash or execute arbitrary code with the privileges of the user invoking Firefox. (CVE-2014-1581)

Patrick McManus and David Keeler discovered 2 issues that could result in certificate pinning being bypassed in some circumstances. An attacker with a fraudulent certificate could potentially exploit this conduct a machine-in-the-middle attack. (CVE-2014-1582, CVE-2014-1584)

Eric Shepherd and Jan-Ivar Bruaroey discovered issues with video sharing via WebRTC in iframes, where video continues to be shared after being stopped and navigating to a new site doesn't turn off the camera. An attacker could potentially exploit this to access the camera without the user being aware. (CVE-2014-1585, CVE-2014-1586)

Boris Zbarsky discovered that webapps could use the Alarm API to read the values of cross-origin references. If a user were tricked in to installing a specially crafter webapp, an attacker could potentially exploit this to bypass same-origin restrictions. (CVE-2014-1583)

Record
USN-2372-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
iceape
Mageia:3
From an advisory covering 39 CVEs
before 2.30-1.mga3
2.30-1.mga3
iceape
Mageia:4
From an advisory covering 39 CVEs
before 2.30-1.mga4
2.30-1.mga4
firefox
Ubuntu:14.04:LTS
before 33.0+build2-0ubuntu0.14.04.1, plus listed versions
24.0+build1-0ubuntu125.0+build3-0ubuntu0.13.10.128.0~b2+build1-0ubuntu228.0+build1-0ubuntu128.0+build2-0ubuntu1
Show 6 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+build1-0ubuntu0.14.04.1
33.0+build2-0ubuntu0.14.04.1
firefox
Ubuntu:14.04:LTS
From an advisory covering 12 CVEs
before 33.0+build2-0ubuntu0.14.04.1, plus listed versions
24.0+build1-0ubuntu125.0+build3-0ubuntu0.13.10.128.0~b2+build1-0ubuntu228.0+build1-0ubuntu128.0+build2-0ubuntu1
Show 6 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+build1-0ubuntu0.14.04.1
33.0+build2-0ubuntu0.14.04.1
MozillaFirefox
openSUSE:Tumbleweed
From an advisory covering 899 CVEs
before 50.1.0-1.1
50.1.0-1.1
firefox-esr
openSUSE:Tumbleweed
From an advisory covering 1860 CVEs
before 128.5.1-1.1
128.5.1-1.1

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-2014-1580 is a medium vulnerability (CVSS 5.0) in Mozilla Firefox, published October 14, 2014. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.27%, the 83rd percentile. Fixed in firefox 33.0+build2-0ubuntu0.14.04.1.

References

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Left out here: 1,944 references and the rest of 1 source description. The JSON record has them.

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