CWE-134— 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.— MITRE CWE catalog
426 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →
CVEs classified under CWE-134page 4 of 9
- CVE-2017-2403HIGHCVSS 8.8EG 8.82017-04-02
An issue was discovered in certain Apple products. macOS before 10.12.4 is affected. The issue involves the "Printing" component. A format-string vulnerability allows remote attackers to execute arbitrary code via a crafted ipp: or ipps: U…
- CVE-2021-33886HIGHCVSS 8.1EG 8.82021-08-25
An improper sanitization of input vulnerability in B. Braun SpaceCom2 prior to 012U000062 allows a remote unauthenticated attacker to gain user-level command-line access by passing a raw external string straight through to printf statement…
- CVE-2026-84691HIGHCVSS 8.7EG 8.72026-09-23
A flaw was found in Red Hat Ansible Automation Platform's automation- controller. The setting that formats the log message emitted for API 4XX errors is an administrator-controlled Python format-string template that is rendered with a live…
- CVE-2026-12004HIGHCVSS 8.7EG 8.72026-08-12
IBM Security Verify Access 10.0 through 10.0.9.2 and IBM Verify Identity Access 11.0 through 11.0.3 and IBM Verify Identity Access Container 11.0 through 11.0.3 contains a format string injection vulnerability in the management interface t…
- CVE-2011-10029HIGHCVSS 8.7EG 8.72025-08-20
Solar FTP Server fails to properly handle format strings passed to the USER command. When a specially crafted string containing format specifiers is sent, the server crashes due to a read access violation in the __output_1() function of sf…
- CVE-2026-57877HIGHCVSS 8.6EG 8.62026-06-26
An unauthenticated format string vulnerability exists in vlsvr in GeoVision GV-LPC2011 and GV-LPC2211 V1.12 and earlier. The vulnerability is caused by improper handling of externally controlled input during log message formatting in the l…
- CVE-2016-10745HIGHCVSS 8.6EG 8.62019-04-08
In Pallets Jinja before 2.8.1, str.format allows a sandbox escape.
- CVE-2009-2446HIGHCVSS v2 8.5EG 8.52009-07-13
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 unspec…
- CVE-2010-10017HIGHCVSS 8.4EG 8.42025-08-30
WM Downloader version 3.1.2.2 is vulnerable to a buffer overflow when processing a specially crafted .m3u playlist file. The application fails to properly validate input length, allowing an attacker to overwrite structured exception handle…
- CVE-2025-24359HIGHCVSS 8.4EG 8.42025-01-24
ASTEVAL is an evaluator of Python expressions and statements. Prior to version 1.0.6, if an attacker can control the input to the `asteval` library, they can bypass asteval's restrictions and execute arbitrary Python code in the context of…
- CVE-2024-31837HIGHCVSS 8.4EG 8.42024-04-30
DMitry (Deepmagic Information Gathering Tool) 1.3a has a format-string vulnerability, with a threat model similar to CVE-2017-7938.
- CVE-2018-1566HIGHCVSS 8.4EG 8.42018-07-10
IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 9.7, 10.1, 10.5, and 11.1 could allow a local user to execute arbitrary code due to a format string error. IBM X-Force ID: 143023.
- CVE-2026-45452HIGHCVSS 8.3EG 8.32026-10-15
Use of Externally-Controlled format string vulnerability in Unitronics Unitronics UniStream Pro/UniLogic. This issue affects Unitronics UniStream Pro/UniLogic: Unitronics UniStream Pro versions only (B10 / C10) – UniLogic versions prior…
- CVE-2026-101966HIGHCVSS 8.2EG 8.22026-10-14
A Use of Externally-Controlled Format String vulnerability in the jti-dialoutd of Juniper Networks Junos OS Evolved allows an authenticated network attacker to cause persistent telemetry dial-out denial of service via a crafted analytics s…
- CVE-2026-81574HIGHCVSS 8.2EG 8.22026-08-27
In CodeMeter Runtime before versions 8.41a and 9.10, the logger does not sanitize input strings in certain cases, allowing an attacker to inject printf-style format specifiers. This can be used to reliably crash CodeMeter and disclose sens…
- CVE-2020-36323HIGHCVSS 8.2EG 8.22021-04-14
In the standard library in Rust before 1.52.0, there is an optimization for joining strings that can cause uninitialized bytes to be exposed (or the program to crash) if the borrowed string changes after its length is checked.
- CVE-2026-102062HIGHCVSS 8.1EG 8.12026-10-14
An Use of Externally-Controlled Format String vulnerability in the ipfd daemon of Juniper Networks Junos OS on SRX Series allows an unauthenticated network-based attacker to execute code with root privileges via a compromised or impersonat…
- CVE-2026-18188HIGHCVSS 8.1EG 8.12026-07-30
A format string vulnerability was found in the Rsync Backup on the ADM. The vulnerability occurs because user-controlled rsync backup configuration or log data may be processed through an unsafe format string operation. An authenticated at…
- CVE-2026-18187HIGHCVSS 8.1EG 8.12026-07-30
A format string vulnerability was found in the Internal Backup on the ADM. The vulnerability occurs because user-controlled task input may be included in an error response and processed through an unsafe format string operation. An authent…
- CVE-2026-18186HIGHCVSS 8.1EG 8.12026-07-30
A stored format string vulnerability was found in the FTP Backup on the ADM. The vulnerability occurs because user-controlled backup configuration data may be written into a task log and later processed through an unsafe format string oper…
- CVE-2026-6250HIGHCVSS 8.1EG 8.12026-06-11
An authenticated format string vulnerability exists in the ONVIF service of Tapo C110 v2 due to improper handling of user-controlled input. Externally controlled data is interpreted as a format string, which can be used to manipulate sta…
- CVE-2025-30269HIGHCVSS 8.1EG 8.12026-02-11
A use of externally-controlled format string vulnerability has been reported to affect Qsync Central. If a remote attacker gains a user account, they can then exploit the vulnerability to obtain secret data or modify memory. We have alrea…
- CVE-2025-22482HIGHCVSS 8.1EG 8.12025-06-06
A use of externally-controlled format string vulnerability has been reported to affect Qsync Central. If exploited, the vulnerability could allow remote attackers who have gained user access to obtain secret data or modify memory. We have…
- CVE-2023-6764HIGHCVSS 8.1EG 8.12024-02-20
A format string vulnerability in a function of the IPSec VPN feature in Zyxel ATP series firmware versions from 4.32 through 5.37 Patch 1, USG FLEX series firmware versions from 4.50 through 5.37 Patch 1, USG FLEX 50(W) series …
- CVE-2020-1992HIGHCVSS 8.1EG 8.12020-04-08
A format string vulnerability in the Varrcvr daemon of PAN-OS on PA-7000 Series devices with a Log Forwarding Card (LFC) allows remote attackers to crash the daemon creating a denial of service condition or potentially execute code with ro…
- CVE-2020-1979HIGHCVSS 8.1EG 8.12020-03-11
A format string vulnerability in the PAN-OS log daemon (logd) on Panorama allows a network based attacker with knowledge of registered firewall devices and access to Panorama management interfaces to execute arbitrary code, bypassing the r…
- CVE-2018-14713HIGHCVSS 8.1EG 8.12019-05-13
Format string vulnerability in appGet.cgi on ASUS RT-AC3200 version 3.0.0.4.382.50010 allows attackers to read arbitrary sections of memory and CPU registers via the "hook" URL parameter.
- CVE-2022-26393HIGHCVSS 5.0EG 8.12022-09-09
The Baxter Spectrum WBM is susceptible to format string attacks via application messaging. An attacker could use this to read memory in the WBM to access sensitive information or cause a Denial of Service (DoS) on the WBM.
- CVE-2018-6508HIGHCVSS 8.0EG 8.02018-02-09
Puppet Enterprise 2017.3.x prior to 2017.3.3 are vulnerable to a remote execution bug when a specially crafted string was passed into the facter_task or puppet_conf tasks. This vulnerability only affects tasks in the affected modules, if y…
- CVE-2026-83585HIGHCVSS 7.8EG 7.82026-10-13
Use of externally-controlled format string in Windows NTFS allows an authorized attacker to elevate privileges locally.
- CVE-2026-85842HIGHCVSS 7.8EG 7.82026-10-13
Use of externally-controlled format string in Windows Image Acquisition allows an authorized attacker to elevate privileges locally.
- CVE-2026-47494HIGHCVSS 7.8EG 7.82026-09-30
NVIDIA GPU Display Driver for Linux contains a vulnerability where a user might be able to cause a format string issue. A successful exploit of this vulnerability might lead to code execution, escalation of privileges, data tampering, deni…
- CVE-2026-16821HIGHCVSS 7.8EG 7.82026-08-28
IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a local attacker to gain elevated privileges due to a format string vulnerability.
- CVE-2026-15809HIGHCVSS 7.8EG 7.82026-07-15
A flaw was found in CRI-O. The fix for a previous vulnerability (CVE-2022-4318) was incorrect, allowing it to be bypassed. An attacker capable of setting environment variables on a container can inject a newline character into the HOME env…
- CVE-2023-23783HIGHCVSS 7.8EG 7.82023-02-16
A use of externally-controlled format string in Fortinet FortiWeb version 7.0.0 through 7.0.1, FortiWeb 6.4 all versions allows attacker to execute unauthorized code or commands via specially crafted command arguments.
- CVE-2022-22299HIGHCVSS 7.8EG 7.82022-08-05
A format string vulnerability [CWE-134] in the command line interpreter of FortiADC version 6.0.0 through 6.0.4, FortiADC version 6.1.0 through 6.1.5, FortiADC version 6.2.0 through 6.2.1, FortiProxy version 1.0.0 through 1.0.7, FortiProxy…
- CVE-2022-1215HIGHCVSS 7.8EG 7.82022-06-02
A format string vulnerability was found in libinput
- CVE-2022-24051HIGHCVSS 7.8EG 7.82022-02-18
MariaDB CONNECT Storage Engine Format String Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of MariaDB. Authentication is required to exploit this vulnerabilit…
- CVE-2021-35331HIGHCVSS 7.8EG 7.82021-07-05
In Tcl 8.6.11, a format string vulnerability in nmakehlp.c might allow code execution via a crafted file. NOTE: multiple third parties dispute the significance of this finding
- CVE-2021-29740HIGHCVSS 7.8EG 7.82021-06-01
IBM Spectrum Scale 5.0.0 through 5.0.5.6 and 5.1.0 through 5.1.0.3 system core component is affected by a format string security vulnerability. An attacker could execute arbitrary code in the context of process memory, potentially escalati…
- CVE-2021-30145HIGHCVSS 7.8EG 7.82021-05-18
A format string vulnerability in mpv through 0.33.0 allows user-assisted remote attackers to achieve code execution via a crafted m3u playlist file.
- CVE-2011-1588HIGHCVSS 7.8EG 7.82019-11-14
Thunar before 1.3.1 could crash when copy and pasting a file name with % format characters due to a format string error.
- CVE-2018-17336HIGHCVSS 7.8EG 7.82018-09-22
UDisks 2.8.0 has a format string vulnerability in udisks_log in udiskslogging.c, allowing attackers to obtain sensitive information (stack contents), cause a denial of service (memory corruption), or possibly have unspecified other impact …
- CVE-2018-16554HIGHCVSS 7.8EG 7.82018-09-16
The ProcessGpsInfo function of the gpsinfo.c file of jhead 3.00 may allow a remote attacker to cause a denial-of-service attack or unspecified other impact via a malicious JPEG file, because of inconsistency between float and double in a s…
- CVE-2015-8107HIGHCVSS 7.8EG 7.82017-04-13
Format string vulnerability in GNU a2ps 4.14 allows remote attackers to execute arbitrary code.
- CVE-2017-5613HIGHCVSS 7.8EG 7.82017-03-03
Format string vulnerability in cgiemail and cgiecho allows remote attackers to execute arbitrary code via format string specifiers in a template file.
- CVE-2015-8106HIGHCVSS 7.8EG 7.82016-04-18
Format string vulnerability in the CmdKeywords function in funct1.c in latex2rtf before 2.3.10 allows remote attackers to execute arbitrary code via format string specifiers in the \keywords command in a crafted TeX file.
- CVE-2023-21420HIGHCVSS 7.3EG 7.82023-02-09
Use of Externally-Controlled Format String vulnerabilities in STST TA prior to SMR Jan-2023 Release 1 allows arbitrary code execution.
- CVE-2008-6395HIGHCVSS v2 7.8EG 7.82009-03-04
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.
- CVE-2007-3917HIGHCVSS v2 7.8EG 7.82007-10-11
The multiplayer engine in Wesnoth 1.2.x before 1.2.7 and 1.3.x before 1.3.9 allows remote servers to cause a denial of service (crash) via a long message with multibyte characters that can produce an invalid UTF-8 string after it is trunca…
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