← Back
CWE-120

4,319 CVEs • Abstraction: Base • Likelihood of Exploit: High

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.

JSON object

Loading...

CVEs (4,319)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Microsoft
5Windows 7
Windows Server 2003Windows Server 2008+2 more
Apr 29, 2026
Sep 15, 2010
N/A· v4
8.8 HIGH· v3
9.0 HIGH· v2
Heap-based buffer overflow in the Local Security Authority Subsystem Service (LSASS), as used in Active Directory in Microsoft Windows Server 2003 SP2 and Windows Server 2008 Gold, SP2, and R2; Active Directory Applicati...Show more
Heap-based buffer overflow in the Local Security Authority Subsystem Service (LSASS), as used in Active Directory in Microsoft Windows Server 2003 SP2 and Windows Server 2008 Gold, SP2, and R2; Active Directory Application Mode (ADAM) in Windows XP SP2 and SP3 and Windows Server 2003 SP2; and Active Directory Lightweight Directory Service (AD LDS) in Windows Vista SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7, allows remote authenticated users to execute arbitrary code via malformed LDAP messages, aka "LSASS Heap Overflow Vulnerability."Show less
3Avaya
LinuxVmware
9Aura Communication Manager
Aura Presence ServicesAura Session Manager+6 more
Apr 29, 2026
Sep 8, 2010
N/A· v4
7.8 HIGH· v3
7.2 HIGH· v2
Buffer overflow in the ecryptfs_uid_hash macro in fs/ecryptfs/messaging.c in the eCryptfs subsystem in the Linux kernel before 2.6.35 might allow local users to gain privileges or cause a denial of service (system crash)...Show more
Buffer overflow in the ecryptfs_uid_hash macro in fs/ecryptfs/messaging.c in the eCryptfs subsystem in the Linux kernel before 2.6.35 might allow local users to gain privileges or cause a denial of service (system crash) via unspecified vectors.Show less
3Apple
CanonicalFreetype
5Freetype
Iphone OsMac Os X+2 more
Apr 29, 2026
Aug 19, 2010
N/A· v4
N/A· v3
6.8 MEDIUM· v2
Buffer overflow in the Mac_Read_POST_Resource function in base/ftobjs.c in FreeType before 2.4.2 allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrar...Show more
Buffer overflow in the Mac_Read_POST_Resource function in base/ftobjs.c in FreeType before 2.4.2 allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via a crafted Adobe Type 1 Mac Font File (aka LWFN) font.Show less
2Canonical
Freetype
2Freetype
Ubuntu Linux
Apr 29, 2026
Aug 19, 2010
N/A· v4
N/A· v3
6.8 MEDIUM· v2
Buffer overflow in ftmulti.c in the ftmulti demo program in FreeType before 2.4.2 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted font file.
3Canonical
DebianFreetype
3Debian Linux
FreetypeUbuntu Linux
Apr 29, 2026
Aug 19, 2010
N/A· v4
N/A· v3
6.8 MEDIUM· v2
Multiple buffer overflows in demo programs in FreeType before 2.4.0 allow remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted font file.
4Apple
CanonicalDebian+1 more
4Debian Linux
FreetypeMac Os X+1 more
Apr 29, 2026
Aug 19, 2010
N/A· v4
N/A· v3
6.8 MEDIUM· v2
Buffer overflow in the Mac_Read_POST_Resource function in base/ftobjs.c in FreeType before 2.4.0 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted L...Show more
Buffer overflow in the Mac_Read_POST_Resource function in base/ftobjs.c in FreeType before 2.4.0 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted LaserWriter PS font file with an embedded PFB fragment.Show less
10Apple
CanonicalDebian+7 more
17Chrome
Debian LinuxFedora+14 more
Apr 29, 2026
Jun 30, 2010
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
Buffer overflow in pngpread.c in libpng before 1.2.44 and 1.4.x before 1.4.3, as used in progressive applications, might allow remote attackers to execute arbitrary code via a PNG image that triggers an additional data r...Show more
Buffer overflow in pngpread.c in libpng before 1.2.44 and 1.4.x before 1.4.3, as used in progressive applications, might allow remote attackers to execute arbitrary code via a PNG image that triggers an additional data row.Show less
1Ponsoftware
1Explzh
Apr 29, 2026
Jun 25, 2010
N/A· v4
N/A· v3
9.3 HIGH· v2
Buffer overflow in Arcext.dll 2.16.1 and earlier in pon software Explzh 5.62 and earlier allows remote attackers to execute arbitrary code via an LZH LHA file with a crafted header that is not properly handled during exp...Show more
Buffer overflow in Arcext.dll 2.16.1 and earlier in pon software Explzh 5.62 and earlier allows remote attackers to execute arbitrary code via an LZH LHA file with a crafted header that is not properly handled during expansion.Show less
1Python
1Python
Apr 29, 2026
May 27, 2010
N/A· v4
N/A· v3
7.5 HIGH· v2
Multiple buffer overflows in the RLE decoder in the rgbimg module in Python 2.5 allow remote attackers to have an unspecified impact via an image file containing crafted data that triggers improper processing within the...Show more
Multiple buffer overflows in the RLE decoder in the rgbimg module in Python 2.5 allow remote attackers to have an unspecified impact via an image file containing crafted data that triggers improper processing within the (1) longimagedata or (2) expandrow function.Show less
1Microsoft
26.net Framework
Excel ViewerExpression Web+23 more
Apr 23, 2026
Oct 14, 2009
N/A· v4
8.1 HIGH· v3
9.3 HIGH· v2
Buffer overflow in GDI+ in Microsoft Internet Explorer 6 SP1, Windows XP SP2 and SP3, Office XP SP3, Office 2003 SP3, 2007 Microsoft Office System SP1 and SP2, Office Project 2002 SP1, Visio 2002 SP2, Office Word Viewer,...Show more
Buffer overflow in GDI+ in Microsoft Internet Explorer 6 SP1, Windows XP SP2 and SP3, Office XP SP3, Office 2003 SP3, 2007 Microsoft Office System SP1 and SP2, Office Project 2002 SP1, Visio 2002 SP2, Office Word Viewer, Word Viewer 2003 Gold and SP3, Office Excel Viewer 2003 Gold and SP3, Office Excel Viewer, Office PowerPoint Viewer 2007 Gold, SP1, and SP2, Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 and SP2, Expression Web, Expression Web 2, Groove 2007 Gold and SP1, Works 8.5, SQL Server 2000 Reporting Services SP2, SQL Server 2005 SP2 and SP3, Report Viewer 2005 SP1, Report Viewer 2008 Gold and SP1, and Forefront Client Security 1.0 allows remote attackers to execute arbitrary code via a crafted TIFF image file, aka "GDI+ TIFF Buffer Overflow Vulnerability."Show less
1Microsoft
1Internet Information Server
Apr 23, 2026
Aug 31, 2009
N/A· v4
N/A· v3
9.0 HIGH· v2
Buffer overflow in the FTP Service in Microsoft Internet Information Services (IIS) 5.0 through 6.0 allows remote authenticated users to execute arbitrary code via a crafted NLST (NAME LIST) command that uses wildcards,...Show more
Buffer overflow in the FTP Service in Microsoft Internet Information Services (IIS) 5.0 through 6.0 allows remote authenticated users to execute arbitrary code via a crafted NLST (NAME LIST) command that uses wildcards, leading to memory corruption, aka "IIS FTP Service RCE and DoS Vulnerability."Show less
6Canonical
DebianFedoraproject+3 more
8Debian Linux
FedoraLinux Enterprise Debuginfo+5 more
Apr 23, 2026
Apr 17, 2009
N/A· v4
N/A· v3
2.1 LOW· v2
Buffer overflow in the util_path_encode function in udev/lib/libudev-util.c in udev before 1.4.1 allows local users to cause a denial of service (service outage) via vectors that trigger a call with crafted arguments.
1Filezilla Project
1Filezilla Server
Apr 23, 2026
Mar 12, 2009
N/A· v4
N/A· v3
4.3 MEDIUM· v2
Buffer overflow in FileZilla Server before 0.9.31 allows remote attackers to cause a denial of service via unspecified vectors related to SSL/TLS packets.
1Vuplayer
1Vuplayer
Apr 23, 2026
Jan 20, 2009
N/A· v4
8.8 HIGH· v3
9.3 HIGH· v2
Buffer overflow in VUPlayer 2.49 and earlier allows user-assisted attackers to execute arbitrary code via a long URL in a File line in a .pls file, as demonstrated by an http URL on a File1 line.
4Canonical
DebianLinux+1 more
5Debian Linux
Linux KernelSuse Linux Enterprise Desktop+2 more
Apr 23, 2026
Aug 12, 2008
N/A· v4
5.5 MEDIUM· v3
4.9 MEDIUM· v2
The (1) real_lookup and (2) __lookup_hash functions in fs/namei.c in the vfs implementation in the Linux kernel before 2.6.25.15 do not prevent creation of a child dentry for a deleted (aka S_DEAD) directory, which allow...Show more
The (1) real_lookup and (2) __lookup_hash functions in fs/namei.c in the vfs implementation in the Linux kernel before 2.6.25.15 do not prevent creation of a child dentry for a deleted (aka S_DEAD) directory, which allows local users to cause a denial of service ("overflow" of the UBIFS orphan area) via a series of attempted file creations within deleted directories.Show less
1Linux
1Linux Kernel
Apr 23, 2026
Aug 6, 2008
N/A· v4
N/A· v3
10.0 HIGH· v2
Buffer overflow in format descriptor parsing in the uvc_parse_format function in drivers/media/video/uvc/uvc_driver.c in uvcvideo in the video4linux (V4L) implementation in the Linux kernel before 2.6.26.1 has unknown im...Show more
Buffer overflow in format descriptor parsing in the uvc_parse_format function in drivers/media/video/uvc/uvc_driver.c in uvcvideo in the video4linux (V4L) implementation in the Linux kernel before 2.6.26.1 has unknown impact and attack vectors.Show less
3Canonical
DebianPython
3Debian Linux
PythonUbuntu Linux
Apr 23, 2026
Aug 1, 2008
N/A· v4
N/A· v3
7.5 HIGH· v2
Multiple buffer overflows in Python 2.5.2 and earlier on 32bit platforms allow context-dependent attackers to cause a denial of service (crash) or have unspecified other impact via a long string that leads to incorrect m...Show more
Multiple buffer overflows in Python 2.5.2 and earlier on 32bit platforms allow context-dependent attackers to cause a denial of service (crash) or have unspecified other impact via a long string that leads to incorrect memory allocation during Unicode string processing, related to the unicode_resize function and the PyMem_RESIZE macro.Show less
1Redhat
2Directory Server
Fedora Directory Server
Apr 23, 2026
May 12, 2008
N/A· v4
N/A· v3
7.5 HIGH· v2
Buffer overflow in the regular expression handler in Red Hat Directory Server 8.0 and 7.1 before SP6 allows remote attackers to cause a denial of service (slapd crash) and possibly execute arbitrary code via a crafted LD...Show more
Buffer overflow in the regular expression handler in Red Hat Directory Server 8.0 and 7.1 before SP6 allows remote attackers to cause a denial of service (slapd crash) and possibly execute arbitrary code via a crafted LDAP query that triggers the overflow during translation to a regular expression.Show less
3Canonical
DebianPython
3Debian Linux
PythonUbuntu Linux
Apr 23, 2026
Apr 18, 2008
N/A· v4
N/A· v3
9.3 HIGH· v2
Python 2.5.2 and earlier allows context-dependent attackers to execute arbitrary code via multiple vectors that cause a negative size value to be provided to the PyString_FromStringAndSize function, which allocates less...Show more
Python 2.5.2 and earlier allows context-dependent attackers to execute arbitrary code via multiple vectors that cause a negative size value to be provided to the PyString_FromStringAndSize function, which allocates less memory than expected when assert() is disabled and triggers a buffer overflow.Show less
1Adobe
2Acrobat
Acrobat Reader
Apr 21, 2026
Feb 12, 2008
N/A· v4
7.8 HIGH· v3
9.3 HIGH· v2
Multiple buffer overflows in Adobe Reader and Acrobat 8.1.1 and earlier allow remote attackers to execute arbitrary code via a PDF file with long arguments to unspecified JavaScript methods. NOTE: this issue might be su...Show more
Multiple buffer overflows in Adobe Reader and Acrobat 8.1.1 and earlier allow remote attackers to execute arbitrary code via a PDF file with long arguments to unspecified JavaScript methods. NOTE: this issue might be subsumed by CVE-2008-0655.Show less