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CWE-134

423 CVEs • Abstraction: Base • Likelihood of Exploit: High

Use of Externally-Controlled Format String

The product uses a function that accepts a format string as an argument, but the format string originates from an external source.

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CVEs (423)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Silcnet
1Silc Toolkit
Apr 23, 2026
Sep 10, 2009
N/A· v4
N/A· v3
5.8 MEDIUM· v2
The silc_asn1_encoder function in lib/silcasn1/silcasn1_encode.c in Secure Internet Live Conferencing (SILC) Toolkit before 1.1.8 allows remote attackers to overwrite a stack location and possibly execute arbitrary code...Show more
The silc_asn1_encoder function in lib/silcasn1/silcasn1_encode.c in Secure Internet Live Conferencing (SILC) Toolkit before 1.1.8 allows remote attackers to overwrite a stack location and possibly execute arbitrary code via a crafted OID value, related to incorrect use of a %lu format string.Show less
1Silcnet
2Silc Client
Silc Toolkit
Apr 23, 2026
Sep 10, 2009
N/A· v4
N/A· v3
7.5 HIGH· v2
Multiple format string vulnerabilities in lib/silcclient/client_entry.c in Secure Internet Live Conferencing (SILC) Toolkit before 1.1.10, and SILC Client before 1.1.8, allow remote attackers to execute arbitrary code vi...Show more
Multiple format string vulnerabilities in lib/silcclient/client_entry.c in Secure Internet Live Conferencing (SILC) Toolkit before 1.1.10, and SILC Client before 1.1.8, allow remote attackers to execute arbitrary code via format string specifiers in a nickname field, related to the (1) silc_client_add_client, (2) silc_client_update_client, and (3) silc_client_nickname_format functions.Show less
1Memcode
1I.scribe
Apr 23, 2026
Aug 25, 2009
N/A· v4
N/A· v3
9.3 HIGH· v2
Format string vulnerability in MemeCode Software i.Scribe 1.88 through 2.00 before Beta9 allows remote SMTP servers to cause a denial of service (crash) and possibly execute arbitrary code via format string specifiers in...Show more
Format string vulnerability in MemeCode Software i.Scribe 1.88 through 2.00 before Beta9 allows remote SMTP servers to cause a denial of service (crash) and possibly execute arbitrary code via format string specifiers in a server response, which is not properly handled "when displaying the signon message."Show less
12kgames
1Vietcong 2
Apr 23, 2026
Aug 21, 2009
N/A· v4
N/A· v3
9.3 HIGH· v2
Format string vulnerability in the CNS_AddTxt function in logs.dll in 2K Games Vietcong 2 1.10 and earlier might allow remote attackers to execute arbitrary code via format string specifiers in the nickname.
1Apple
2Mac Os X
Mac Os X Server
Apr 23, 2026
Aug 6, 2009
N/A· v4
N/A· v3
7.5 HIGH· v2
Format string vulnerability in Login Window in Apple Mac OS X 10.4.11 and 10.5 before 10.5.8 allows attackers to execute arbitrary code or cause a denial of service (application crash) via format string specifiers in an...Show more
Format string vulnerability in Login Window in Apple Mac OS X 10.4.11 and 10.5 before 10.5.8 allows attackers to execute arbitrary code or cause a denial of service (application crash) via format string specifiers in an application name.Show less
1Bistudio
2Arma
Arma 2
Apr 23, 2026
Jul 20, 2009
N/A· v4
N/A· v3
10.0 HIGH· v2
Format string vulnerability in Armed Assault (aka ArmA) 1.14 and earlier, and 1.16 beta, and Armed Assault II 1.02 and earlier allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary c...Show more
Format string vulnerability in Armed Assault (aka ArmA) 1.14 and earlier, and 1.16 beta, and Armed Assault II 1.02 and earlier allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via format string specifiers in the (1) nickname and (2) datafile fields in a join request, which is not properly handled when logging an error message.Show less
2Mysql
Oracle
2Mysql
Mysql
Apr 23, 2026
Jul 13, 2009
N/A· v4
N/A· v3
8.5 HIGH· v2
Multiple format string vulnerabilities in the dispatch_command function in libmysqld/sql_parse.cc in mysqld in MySQL 4.0.0 through 5.0.83 allow remote authenticated users to cause a denial of service (daemon crash) and p...Show more
Multiple format string vulnerabilities in the dispatch_command function in libmysqld/sql_parse.cc in mysqld in MySQL 4.0.0 through 5.0.83 allow remote authenticated users to cause a denial of service (daemon crash) and possibly have unspecified other impact via format string specifiers in a database name in a (1) COM_CREATE_DB or (2) COM_DROP_DB request. NOTE: some of these details are obtained from third party information.Show less
1Samba
1Samba
Apr 23, 2026
Jun 25, 2009
N/A· v4
N/A· v3
9.3 HIGH· v2
Multiple format string vulnerabilities in client/client.c in smbclient in Samba 3.2.0 through 3.2.12 might allow context-dependent attackers to execute arbitrary code via format string specifiers in a filename.
1Fortinet
1Forticlient
Apr 23, 2026
Apr 7, 2009
N/A· v4
N/A· v3
7.2 HIGH· v2
Format string vulnerability in Fortinet FortiClient 3.0.614, and possibly earlier, allows local users to execute arbitrary code via format string specifiers in the VPN connection name.
1Ezbsystems
1Ultraiso
Apr 23, 2026
Apr 1, 2009
N/A· v4
N/A· v3
9.3 HIGH· v2
Multiple format string vulnerabilities in UltraISO 9.3.1.2633, and possibly other versions before 9.3.3.2685, allow user-assisted attackers to execute arbitrary code via format string specifiers in the filename of a (1)...Show more
Multiple format string vulnerabilities in UltraISO 9.3.1.2633, and possibly other versions before 9.3.3.2685, allow user-assisted attackers to execute arbitrary code via format string specifiers in the filename of a (1) DAA or (2) ISZ file.Show less
1Wireshark
1Wireshark
Apr 23, 2026
Apr 1, 2009
N/A· v4
N/A· v3
10.0 HIGH· v2
Format string vulnerability in the PROFINET/DCP (PN-DCP) dissector in Wireshark 1.0.6 and earlier allows remote attackers to execute arbitrary code via a PN-DCP packet with format string specifiers in the station name....Show more
Format string vulnerability in the PROFINET/DCP (PN-DCP) dissector in Wireshark 1.0.6 and earlier allows remote attackers to execute arbitrary code via a PN-DCP packet with format string specifiers in the station name. NOTE: some of these details are obtained from third party information.Show less
1Citadel
1Webcit
Apr 23, 2026
Mar 26, 2009
N/A· v4
N/A· v3
7.5 HIGH· v2
Format string vulnerability in the mini_calendar component in Citadel.org WebCit 7.22, and other versions before 7.39, allows remote attackers to execute arbitrary code via unspecified vectors.
1Imatix
1Xitami
Apr 23, 2026
Mar 25, 2009
N/A· v4
N/A· v3
10.0 HIGH· v2
Multiple format string vulnerabilities in the SSI filter in Xitami Web Server 2.5c2, and possibly other versions, allow remote attackers to cause a denial of service (daemon crash) and possibly execute arbitrary code via...Show more
Multiple format string vulnerabilities in the SSI filter in Xitami Web Server 2.5c2, and possibly other versions, allow remote attackers to cause a denial of service (daemon crash) and possibly execute arbitrary code via format string specifiers in a URI that ends in (1) .ssi, (2) .shtm, or (3) .shtml, which triggers incorrect logging code involving the sendfmt function in the SMT kernel.Show less
1Imatix
1Xitami
Apr 23, 2026
Mar 25, 2009
N/A· v4
N/A· v3
10.0 HIGH· v2
Format string vulnerability in Xitami Web Server 2.2a through 2.5c2, and possibly other versions, allows remote attackers to cause a denial of service (daemon crash) and possibly execute arbitrary code via format string...Show more
Format string vulnerability in Xitami Web Server 2.2a through 2.5c2, and possibly other versions, allows remote attackers to cause a denial of service (daemon crash) and possibly execute arbitrary code via format string specifiers in a Long Running Web Process (LRWP) request, which triggers incorrect logging code involving the sendfmt function in the SMT kernel.Show less
1Symantec
1Pcanywhere
Apr 23, 2026
Mar 18, 2009
N/A· v4
N/A· v3
4.6 MEDIUM· v2
Format string vulnerability in Symantec pcAnywhere before 12.5 SP1 allows local users to read and modify arbitrary memory locations, and cause a denial of service (application crash) or possibly have unspecified other im...Show more
Format string vulnerability in Symantec pcAnywhere before 12.5 SP1 allows local users to read and modify arbitrary memory locations, and cause a denial of service (application crash) or possibly have unspecified other impact, via format string specifiers in the pathname of a remote control file (aka .CHF file).Show less
1Epicgames
1Unreal Engine
Apr 23, 2026
Mar 9, 2009
N/A· v4
N/A· v3
9.3 HIGH· v2
Format string vulnerability in the Epic Games Unreal engine client, as used in multiple games, allows remote servers to execute arbitrary code via (1) the CLASS parameter in a DLMGR command, (2) a malformed package (PKG)...Show more
Format string vulnerability in the Epic Games Unreal engine client, as used in multiple games, allows remote servers to execute arbitrary code via (1) the CLASS parameter in a DLMGR command, (2) a malformed package (PKG), and possibly (3) the LEVEL parameter in a WELCOME command.Show less
13com
1Wireless 8760 Dual Radio
Apr 23, 2026
Mar 4, 2009
N/A· v4
N/A· v3
7.8 HIGH· v2
The web management interface in 3Com Wireless 8760 Dual Radio 11a/b/g PoE Access Point allows remote attackers to cause a denial of service (device crash) via a malformed HTTP POST request.
1Php
1Php
Apr 23, 2026
Mar 3, 2009
N/A· v4
N/A· v3
2.1 LOW· v2
PHP 4.4.4, 5.1.6, and other versions, when running on Apache, allows local users to modify behavior of other sites hosted on the same web server by modifying the mbstring.func_overload setting within .htaccess, which cau...Show more
PHP 4.4.4, 5.1.6, and other versions, when running on Apache, allows local users to modify behavior of other sites hosted on the same web server by modifying the mbstring.func_overload setting within .htaccess, which causes this setting to be applied to other virtual hosts on the same server.Show less
1Wireshark
1Wireshark
Apr 23, 2026
Feb 16, 2009
N/A· v4
N/A· v3
2.1 LOW· v2
Format string vulnerability in Wireshark 0.99.8 through 1.0.5 on non-Windows platforms allows local users to cause a denial of service (application crash) via format string specifiers in the HOME environment variable.
1Bmc
1Patrol Agent
Apr 23, 2026
Jan 27, 2009
N/A· v4
N/A· v3
10.0 HIGH· v2
Format string vulnerability in BMC PATROL Agent before 3.7.30 allows remote attackers to execute arbitrary code via format string specifiers in an invalid version number to TCP port 3181, which are not properly handled w...Show more
Format string vulnerability in BMC PATROL Agent before 3.7.30 allows remote attackers to execute arbitrary code via format string specifiers in an invalid version number to TCP port 3181, which are not properly handled when writing a log message.Show less