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CWE-457

205 CVEs • Abstraction: Variant • Likelihood of Exploit: High

Use of Uninitialized Variable

The code uses a variable that has not been initialized, leading to unpredictable or unintended results.

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CVEs (205)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
4Canonical
DebianFedoraproject+1 more
4Debian Linux
FedoraUbuntu Linux+1 more
Jun 17, 2026
Jul 11, 2019
N/A· v4
5.5 MEDIUM· v3
4.3 MEDIUM· v2
WavPack 5.1.0 and earlier is affected by: CWE-457: Use of Uninitialized Variable. The impact is: Unexpected control flow, crashes, and segfaults. The component is: ParseWave64HeaderConfig (wave64.c:211). The attack vecto...Show more
WavPack 5.1.0 and earlier is affected by: CWE-457: Use of Uninitialized Variable. The impact is: Unexpected control flow, crashes, and segfaults. The component is: ParseWave64HeaderConfig (wave64.c:211). The attack vector is: Maliciously crafted .wav file. The fixed version is: After commit https://github.com/dbry/WavPack/commit/33a0025d1d63ccd05d9dbaa6923d52b1446a62fe.Show less
4Canonical
DebianFedoraproject+1 more
4Debian Linux
FedoraUbuntu Linux+1 more
Jun 17, 2026
Jul 11, 2019
N/A· v4
5.5 MEDIUM· v3
4.3 MEDIUM· v2
WavPack 5.1.0 and earlier is affected by: CWE-457: Use of Uninitialized Variable. The impact is: Unexpected control flow, crashes, and segfaults. The component is: ParseCaffHeaderConfig (caff.c:486). The attack vector is...Show more
WavPack 5.1.0 and earlier is affected by: CWE-457: Use of Uninitialized Variable. The impact is: Unexpected control flow, crashes, and segfaults. The component is: ParseCaffHeaderConfig (caff.c:486). The attack vector is: Maliciously crafted .wav file. The fixed version is: After commit https://github.com/dbry/WavPack/commit/f68a9555b548306c5b1ee45199ccdc4a16a6101b.Show less
8Canonical
DebianFedoraproject+5 more
13Debian Linux
Enterprise LinuxFedora+10 more
Jun 17, 2026
Jun 19, 2019
N/A· v4
5.3 MEDIUM· v3
5.0 MEDIUM· v2
When using the gdImageCreateFromXbm() function in the GD Graphics Library (aka LibGD) 2.2.5, as used in the PHP GD extension in PHP versions 7.1.x below 7.1.30, 7.2.x below 7.2.19 and 7.3.x below 7.3.6, it is possible to...Show more
When using the gdImageCreateFromXbm() function in the GD Graphics Library (aka LibGD) 2.2.5, as used in the PHP GD extension in PHP versions 7.1.x below 7.1.30, 7.2.x below 7.2.19 and 7.3.x below 7.3.6, it is possible to supply data that will cause the function to use the value of uninitialized variable. This may lead to disclosing contents of the stack that has been left there by previous code.Show less
1Openbsd
1Openssh
May 29, 2026
Feb 10, 2011
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
The key_certify function in usr.bin/ssh/key.c in OpenSSH 5.6 and 5.7, when generating legacy certificates using the -t command-line option in ssh-keygen, does not initialize the nonce field, which might allow remote atta...Show more
The key_certify function in usr.bin/ssh/key.c in OpenSSH 5.6 and 5.7, when generating legacy certificates using the -t command-line option in ssh-keygen, does not initialize the nonce field, which might allow remote attackers to obtain sensitive stack memory contents or make it easier to conduct hash collision attacks.Show less
1Microsoft
3Visual C#
Visual StudioVisual Studio .net
May 27, 2026
Jul 29, 2009
N/A· v4
8.8 HIGH· v3
9.3 HIGH· v2
The Active Template Library (ATL) in Microsoft Visual Studio .NET 2003 SP1, Visual Studio 2005 SP1 and 2008 Gold, and Visual C++ 2005 SP1 and 2008 Gold and SP1; and Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, Vist...Show more
The Active Template Library (ATL) in Microsoft Visual Studio .NET 2003 SP1, Visual Studio 2005 SP1 and 2008 Gold, and Visual C++ 2005 SP1 and 2008 Gold and SP1; and Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, Vista Gold, SP1, and SP2, and Server 2008 Gold and SP2; does not prevent VariantClear calls on an uninitialized VARIANT, which allows remote attackers to execute arbitrary code via a malformed stream to an ATL (1) component or (2) control, related to ATL headers and error handling, aka "ATL Uninitialized Object Vulnerability."Show less