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CWE-665

352 CVEs • Abstraction: Class • Likelihood of Exploit: Medium

Improper Initialization

The product does not initialize or incorrectly initializes a resource, which might leave the resource in an unexpected state when it is accessed or used.

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CVEs (352)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Samba
1Samba
May 6, 2026
May 28, 2014
N/A· v4
N/A· v3
3.5 LOW· v2
Samba 3.6.6 through 3.6.23, 4.0.x before 4.0.18, and 4.1.x before 4.1.8, when a certain vfs shadow copy configuration is enabled, does not properly initialize the SRV_SNAPSHOT_ARRAY response field, which allows remote au...Show more
Samba 3.6.6 through 3.6.23, 4.0.x before 4.0.18, and 4.1.x before 4.1.8, when a certain vfs shadow copy configuration is enabled, does not properly initialize the SRV_SNAPSHOT_ARRAY response field, which allows remote authenticated users to obtain potentially sensitive information from process memory via a (1) FSCTL_GET_SHADOW_COPY_DATA or (2) FSCTL_SRV_ENUMERATE_SNAPSHOTS request.Show less
1Linux
1Linux Kernel
Apr 29, 2026
Jun 8, 2013
N/A· v4
7.5 HIGH· v3
4.3 MEDIUM· v2
The br_parse_ip_options function in net/bridge/br_netfilter.c in the Linux kernel before 2.6.39 does not properly initialize a certain data structure, which allows remote attackers to cause a denial of service by leverag...Show more
The br_parse_ip_options function in net/bridge/br_netfilter.c in the Linux kernel before 2.6.39 does not properly initialize a certain data structure, which allows remote attackers to cause a denial of service by leveraging connectivity to a network interface that uses an Ethernet bridge device.Show less
5Canonical
DebianMozilla+2 more
18Debian Linux
Enterprise Linux DesktopEnterprise Linux Eus+15 more
Apr 22, 2026
May 16, 2013
N/A· v4
6.5 MEDIUM· v3
4.3 MEDIUM· v2
Mozilla Firefox before 21.0, Firefox ESR 17.x before 17.0.6, Thunderbird before 17.0.6, and Thunderbird ESR 17.x before 17.0.6 do not properly initialize data structures for the nsDOMSVGZoomEvent::mPreviousScale and nsDO...Show more
Mozilla Firefox before 21.0, Firefox ESR 17.x before 17.0.6, Thunderbird before 17.0.6, and Thunderbird ESR 17.x before 17.0.6 do not properly initialize data structures for the nsDOMSVGZoomEvent::mPreviousScale and nsDOMSVGZoomEvent::mNewScale functions, which allows remote attackers to obtain sensitive information from process memory via a crafted web site.Show less
1Microsoft
1Internet Explorer
Apr 29, 2026
Feb 14, 2012
N/A· v4
N/A· v3
4.3 MEDIUM· v2
Microsoft Internet Explorer 9 does not properly handle the creation and initialization of string objects, which allows remote attackers to read data from arbitrary process-memory locations via a crafted web site, aka "Nu...Show more
Microsoft Internet Explorer 9 does not properly handle the creation and initialization of string objects, which allows remote attackers to read data from arbitrary process-memory locations via a crafted web site, aka "Null Byte Information Disclosure Vulnerability."Show less
1Google
1Chrome
Apr 29, 2026
Jan 24, 2012
N/A· v4
N/A· v3
7.5 HIGH· v2
Skia, as used in Google Chrome before 16.0.912.77, does not perform all required initialization of values, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via unknown...Show more
Skia, as used in Google Chrome before 16.0.912.77, does not perform all required initialization of values, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via unknown vectors.Show less
3Canonical
LinuxVmware
3Esx
Linux KernelUbuntu Linux
Apr 29, 2026
Jul 18, 2011
N/A· v4
5.5 MEDIUM· v3
2.1 LOW· v2
net/core/ethtool.c in the Linux kernel before 2.6.36 does not initialize certain data structures, which allows local users to obtain potentially sensitive information from kernel heap memory by leveraging the CAP_NET_ADM...Show more
net/core/ethtool.c in the Linux kernel before 2.6.36 does not initialize certain data structures, which allows local users to obtain potentially sensitive information from kernel heap memory by leveraging the CAP_NET_ADMIN capability for an ethtool ioctl call.Show less
2Linux
Vmware
2Esx
Linux Kernel
Apr 29, 2026
Dec 29, 2010
N/A· v4
5.5 MEDIUM· v3
4.7 MEDIUM· v2
drivers/scsi/bfa/bfa_core.c in the Linux kernel before 2.6.35 does not initialize a certain port data structure, which allows local users to cause a denial of service (system crash) via read operations on an fc_host stat...Show more
drivers/scsi/bfa/bfa_core.c in the Linux kernel before 2.6.35 does not initialize a certain port data structure, which allows local users to cause a denial of service (system crash) via read operations on an fc_host statistics file.Show less
1Apple
2Mac Os X
Mac Os X Server
Apr 23, 2026
Sep 26, 2008
N/A· v4
8.8 HIGH· v3
9.3 HIGH· v2
The Hash-based Message Authentication Code (HMAC) provider in Java on Apple Mac OS X 10.4.11, 10.5.4, and 10.5.5 uses an uninitialized variable, which allows remote attackers to execute arbitrary code via a crafted apple...Show more
The Hash-based Message Authentication Code (HMAC) provider in Java on Apple Mac OS X 10.4.11, 10.5.4, and 10.5.5 uses an uninitialized variable, which allows remote attackers to execute arbitrary code via a crafted applet, related to an "error checking issue."Show less
4Canonical
DebianFedoraproject+1 more
4Debian Linux
FedoraKerberos 5+1 more
Apr 23, 2026
Mar 19, 2008
N/A· v4
9.8 CRITICAL· v3
9.3 HIGH· v2
KDC in MIT Kerberos 5 (krb5kdc) does not set a global variable for some krb4 message types, which allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via crafted messages that...Show more
KDC in MIT Kerberos 5 (krb5kdc) does not set a global variable for some krb4 message types, which allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via crafted messages that trigger a NULL pointer dereference or double-free.Show less
1Apple
1Mac Os X
Apr 23, 2026
Nov 15, 2007
N/A· v4
7.8 HIGH· v3
7.2 HIGH· v2
The kernel in Apple Mac OS X 10.4 through 10.4.10 does not reset the current Mach Thread Port or Thread Exception Port when executing a setuid program, which allows local users to execute arbitrary code by creating the p...Show more
The kernel in Apple Mac OS X 10.4 through 10.4.10 does not reset the current Mach Thread Port or Thread Exception Port when executing a setuid program, which allows local users to execute arbitrary code by creating the port before launching the setuid program, then writing to the address space of the setuid process.Show less
1Phpbb
1Phpbb
Apr 16, 2026
Jul 31, 2001
N/A· v4
8.8 HIGH· v3
4.6 MEDIUM· v2
prefs.php in phpBB 1.4.0 and earlier allows remote authenticated users to execute arbitrary PHP code via an invalid language value, which prevents the variables (1) $l_statsblock in prefs.php or (2) $l_privnotify in auth...Show more
prefs.php in phpBB 1.4.0 and earlier allows remote authenticated users to execute arbitrary PHP code via an invalid language value, which prevents the variables (1) $l_statsblock in prefs.php or (2) $l_privnotify in auth.php from being properly initialized, which can be modified by the user and later used in an eval statement.Show less
1Microsoft
1Exchange Server
Apr 16, 2026
Dec 13, 1999
N/A· v4
N/A· v3
7.5 HIGH· v2
Modifications to ACLs (Access Control Lists) in Microsoft Exchange 5.5 do not take effect until the directory store cache is refreshed.