CWE-121— Stack-based Buffer Overflow
A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).— MITRE CWE catalog
3,566 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →
CVEs classified under CWE-121page 62 of 72
- CVE-2026-22189CRITICALCVSS 9.8EG 9.82026-01-07
The egg-mkfont utility in Panda3D versions up to and including 1.10.16 contains a stack-based buffer overflow vulnerability due to use of an unbounded sprintf() call with attacker-controlled input. When constructing glyph filenames, egg-mk…
- CVE-2026-22212MEDIUMCVSS 4.8EG 4.82026-01-12
TinyOS versions up to and including 2.1.2 contain a stack-based buffer overflow vulnerability in the mcp2200gpio utility. The vulnerability is caused by unsafe use of strcpy() and strcat() functions when constructing device paths during au…
- CVE-2026-22213CRITICALCVSS 9.8EG 9.82026-01-12
RIOT OS versions up to and including 2026.01-devel-317 contain a stack-based buffer overflow vulnerability in the tapslip6 utility. The vulnerability is caused by unsafe string concatenation in the devopen() function, which constructs a de…
- CVE-2026-22214CRITICALCVSS 9.8EG 9.82026-01-12
RIOT OS versions up to and including 2026.01-devel-317 contain a stack-based buffer overflow vulnerability in the ethos utility due to missing bounds checking when processing incoming serial frame data. The vulnerability occurs in the _han…
- CVE-2026-22262MEDIUMCVSS 9.8EG 5.92026-01-27
Suricata is a network IDS, IPS and NSM engine. While saving a dataset a stack buffer is used to prepare the data. Prior to versions 8.0.3 and 7.0.14, if the data in the dataset is too large, this can result in a stack overflow. Versions 8.…
- CVE-2026-22316MEDIUMCVSS 6.5EG 6.52026-03-18
A remote attacker with user privileges for the webUI can use the setting of the TFTP Filename with a POST Request to trigger a stack-based Buffer Overflow, resulting in a DoS attack.
- CVE-2026-22318MEDIUMCVSS 4.9EG 4.92026-03-18
A stack-based buffer overflow vulnerability in the device's file transfer parameter workflow allows a high-privileged attacker to send oversized POST parameters, causing memory corruption in an internal process, resulting in a DoS attack.
- CVE-2026-22319MEDIUMCVSS 4.9EG 4.92026-03-18
A stack-based buffer overflow in the device's file installation workflow allows a high-privileged attacker to send oversized POST parameters that overflow a fixed-size stack buffer within an internal process, resulting in a DoS attack.
- CVE-2026-22320MEDIUMCVSS 6.5EG 6.52026-03-18
A stack-based buffer overflow in the CLI's TFTP file‑transfer command handling allows a low-privileged attacker with Telnet/SSH access to trigger memory corruption by supplying unexpected or oversized filename input. Exploitation results…
- CVE-2026-22321MEDIUMCVSS 5.3EG 5.32026-03-18
A stack-based buffer overflow in the device's Telnet/SSH CLI login routine occurs when a unauthenticated attacker send an oversized or unexpected username input. An overflow condition crashes the thread handling the login attempt, forcing …
- CVE-2026-22790HIGHCVSS 8.8EG 8.82026-03-26
EVerest is an EV charging software stack. Prior to version 2026.02.0, `HomeplugMessage::setup_payload` trusts `len` after an `assert`; in release builds the check is removed, so oversized SLAC payloads are `memcpy`'d into a ~1497-byte stac…
- CVE-2026-22903CRITICALCVSS 9.8EG 9.82026-02-09
An unauthenticated remote attacker can send a crafted HTTP request containing an overly long SESSIONID cookie. This can trigger a stack buffer overflow in the modified lighttpd server, causing it to crash and potentially enabling remote co…
- CVE-2026-22904CRITICALCVSS 9.8EG 9.82026-02-09
Improper length handling when parsing multiple cookie fields (including TRACKID) allows an unauthenticated remote attacker to send oversized cookie values and trigger a stack buffer overflow, resulting in a denial‑of‑service condition …
- CVE-2026-22923HIGHCVSS 7.8EG 7.82026-02-10
A vulnerability has been identified in NX (All versions < V2512), NX (Managed Mode) (All versions < V2512). The affected application contains a data validation vulnerability that could allow an attacker with local access to interfere with …
- CVE-2026-2329CRITICALCVSS 9.8EG 9.82026-02-18
An unauthenticated stack-based buffer overflow vulnerability exists in the HTTP API endpoint /cgi-bin/api.values.get. A remote attacker can leverage this vulnerability to achieve unauthenticated remote code execution (RCE) with root privil…
- CVE-2026-23747LOWCVSS 3.7EG 3.72026-02-26
Golioth Firmware SDK version 0.10.0 prior to 0.22.0, fixed in commit 48f521b, contain a stack-based buffer overflow in Payload Utils. The golioth_payload_as_int() and golioth_payload_as_float() helpers copy network-supplied payload data i…
- CVE-2026-23995HIGHCVSS 7.8EG 7.82026-03-26
EVerest is an EV charging software stack. Prior to version 2026.02.0, stack-based buffer overflow in CAN interface initialization: passing an interface name longer than IFNAMSIZ (16) to CAN open routines overflows `ifreq.ifr_name`, corrupt…
- CVE-2026-24085HIGHCVSS 7.2EG 7.22026-06-01
Memory Corruption when processing display command line information due to improper initialization of a variable.
- CVE-2026-24465CRITICALCVSS 9.8EG 9.82026-02-03
Stack-based buffer overflow vulnerability exists in ELECOM wireless LAN access point devices. A crafted packet may lead to arbitrary code execution.
- CVE-2026-24497CRITICALCVSS 9.8EG 9.82026-02-27
Stack-based Buffer Overflow vulnerability in SimTech Systems, Inc. ThinkWise allows Remote Code Inclusion.This issue affects ThinkWise: from 7 through 23.
- CVE-2026-24640MEDIUMCVSS 6.6EG 6.62026-03-10
A Stack-based Buffer Overflow vulnerability [CWE-121] vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.2, FortiWeb 7.6.0 through 7.6.6, FortiWeb 7.4 all versions, FortiWeb 7.2 all versions, FortiWeb 7.0.2 through 7.0.12 may allow a rem…
- CVE-2026-24881CRITICALCVSS 9.8EG 9.82026-01-27
In GnuPG before 2.5.17, a crafted CMS (S/MIME) EnvelopedData message carrying an oversized wrapped session key can cause a stack-based buffer overflow in gpg-agent during PKDECRYPT--kem=CMS handling. This can easily be leveraged for denial…
- CVE-2026-24882HIGHCVSS 7.8EG 8.42026-01-27
In GnuPG before 2.5.17, a stack-based buffer overflow exists in tpm2daemon during handling of the PKDECRYPT command for TPM-backed RSA and ECC keys.
- CVE-2026-25268HIGHCVSS 8.8EG 8.82026-07-06
Memory Corruption when processing invalid HT40 channel layouts during dynamic channel switching operations.
- CVE-2026-25502HIGHCVSS 7.8EG 7.82026-02-03
iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of ICC color management profiles. Prior to version 2.3.1.2, stack-based buffer overflow in icFixXml() function when processing malfo…
- CVE-2026-25570HIGHCVSS 7.8EG 7.82026-03-10
A vulnerability has been identified in SICAM SIAPP SDK (All versions < V2.1.7). The SICAM SIAPP SDK does not perform checks on input values potentially resulting in stack overflow. This could allow an attacker to perform code execution and…
- CVE-2026-25584HIGHCVSS 7.8EG 7.82026-02-04
iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of ICC color management profiles. Prior to version 2.3.1.3, there is a stack-buffer-overflow vulnerability in CIccTagFloatNum<>::Get…
- CVE-2026-2565MEDIUMCVSS 6.6EG 6.62026-02-16
A weakness has been identified in Wavlink WL-NU516U1 20251208. Affected by this issue is the function sub_40785C of the file /cgi-bin/adm.cgi. This manipulation of the argument time_zone causes stack-based buffer overflow. The attack can b…
- CVE-2026-2566HIGHCVSS 7.2EG 7.22026-02-16
A security vulnerability has been detected in Wavlink WL-NU516U1 up to 130/260. This affects the function sub_406194 of the file /cgi-bin/adm.cgi. Such manipulation of the argument firmware_url leads to stack-based buffer overflow. The att…
- CVE-2026-2567HIGHCVSS 7.2EG 7.22026-02-16
A vulnerability was detected in Wavlink WL-NU516U1 20251208. This vulnerability affects the function sub_401218 of the file /cgi-bin/nas.cgi. Performing a manipulation of the argument User1Passwd results in stack-based buffer overflow. The…
- CVE-2026-25727MEDIUMCVSS 6.5EG 6.52026-02-06
time provides date and time handling in Rust. From 0.3.6 to before 0.3.47, when user-provided input is provided to any type that parses with the RFC 2822 format, a denial of service attack via stack exhaustion is possible. The attack relie…
- CVE-2026-25772HIGHCVSS 7.2EG 7.22026-03-17
Wazuh is a free and open source platform used for threat prevention, detection, and response. Starting in version 4.4.0 and prior to version 4.14.3, a stack-based buffer overflow vulnerability exists in the Wazuh Database synchronization m…
- CVE-2026-25790HIGHCVSS 7.2EG 7.22026-03-17
Wazuh is a free and open source platform used for threat prevention, detection, and response. Starting in version 3.9.0 and prior to version 4.14.3, multiple stack-based buffer overflows exist in the Security Configuration Assessment (SCA)…
- CVE-2026-25823CRITICALCVSS 9.8EG 9.82026-03-13
HMS Networks Ewon Flexy with firmware before 15.0s4, Cosy+ with firmware 22.xx before 22.1s6, and Cosy+ with firmware 23.xx before 23.0s3 have a stack buffer overflow that leads to a Denial of Service, which can also be exploited to achiev…
- CVE-2026-25833HIGHCVSS 7.5EG 7.52026-04-01
Mbed TLS 3.5.0 to 3.6.5 fixed in 3.6.6 and 4.1.0 has a buffer overflow in the x509_inet_pton_ipv6() function
- CVE-2026-25967HIGHCVSS 7.4EG 7.42026-02-24
ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to version 7.1.2-15, a stack-based buffer overflow exists in the ImageMagick FTXT image reader. A crafted FTXT file can cause out-of-bound…
- CVE-2026-25968CRITICALCVSS 9.8EG 9.82026-02-24
ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, a stack buffer overflow occurs when processing the an attribute in msl.c. A long value overflows a fix…
- CVE-2026-26239HIGHCVSS 8.1EG 8.12026-06-10
A buffer overflow vulnerability has been reported to affect File Station 5. If a remote attacker gains a user account, they can then exploit the vulnerability to modify memory or crash processes. We have already fixed the vulnerability in…
- CVE-2026-26240CRITICALCVSS 9.1EG 9.12026-06-10
A buffer overflow vulnerability has been reported to affect File Station 5. The remote attackers can then exploit the vulnerability to modify memory or crash processes. We have already fixed the vulnerability in the following version: Fil…
- CVE-2026-26241CRITICALCVSS 9.1EG 9.12026-06-10
A buffer overflow vulnerability has been reported to affect File Station 5. The remote attackers can then exploit the vulnerability to modify memory or crash processes. We have already fixed the vulnerability in the following version: Fil…
- CVE-2026-26269MEDIUMCVSS 7.5EG 5.42026-02-13
Vim is an open source, command line text editor. Prior to 9.1.2148, a stack buffer overflow vulnerability exists in Vim's NetBeans integration when processing the specialKeys command, affecting Vim builds that enable and use the NetBeans f…
- CVE-2026-26354HIGHCVSS 8.1EG 8.12026-04-22
Dell PowerProtect Data Domain with Domain Operating System (DD OS) of Feature Release versions 7.7.1.0 through 8.6, LTS2025 release version 8.3.1.0 through 8.3.1.10, LTS2024 release versions 7.13.1.0 through 7.13.1.60, contain a stack-base…
- CVE-2026-2657LOWCVSS 5.5EG 3.32026-02-18
A vulnerability has been found in wren-lang wren up to 0.4.0. This impacts the function printError of the file src/vm/wren_compiler.c of the component Error Message Handler. Such manipulation leads to stack-based buffer overflow. An attack…
- CVE-2026-26731HIGHCVSS 8.8EG 8.82026-02-17
TOTOLINK A3002RU V2.1.1-B20211108.1455 was discovered to contain a stack-based buffer overflow via the routernamer`parameter in the formDnsv6 function.
- CVE-2026-26732HIGHCVSS 8.8EG 8.82026-02-17
TOTOLINK A3002RU V2.1.1-B20211108.1455 was discovered to contain a stack-based buffer overflow via the vpnUser or vpnPassword` parameters in the formFilter function.
- CVE-2026-26736HIGHCVSS 8.8EG 8.82026-02-17
TOTOLINK A3002RU_V3 V3.0.0-B20220304.1804 was discovered to contain a stack-based buffer overflow via the static_ipv6 parameter in the formIpv6Setup function.
- CVE-2026-26738HIGHCVSS 7.8EG 7.82026-03-10
Buffer Overflow vulnerability in Uderzo Software SpaceSniffer v.2.0.5.18 allows a remote attacker to execute arbitrary code via a crafted .sns snapshot file.
- CVE-2026-26951MEDIUMCVSS 6.7EG 6.72026-04-20
Dell PowerProtect Data Domain, versions 7.7.1.0 through 8.6, LTS2025 release version 8.3.1.0 through 8.3.1.20, LTS2024 release versions 7.13.1.0 through 7.13.1.60 contain a stack-based buffer overflow vulnerability. A high privileged attac…
- CVE-2026-27267HIGHCVSS 7.8EG 7.82026-03-10
Illustrator versions 29.8.4, 30.1 and earlier are affected by a Stack-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interactio…
- CVE-2026-27671CRITICALCVSS 9.8EG 9.82026-06-09
Due to improper RFC protocol validation in the SAP Kernel used by the Application Server ABAP of SAP NetWeaver and ABAP Platform, an unauthenticated attacker can send a crafted RFC request that exploits logical errors in memory management,…
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