CWE-124
Buffer Underwrite ('Buffer Underflow')
Description
The product writes to a buffer using an index or pointer that references a memory location prior to the beginning of the buffer.
Hierarchy (View 1000)
CVEs mapped to this weakness (40)
page 1 of 2| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2015-2426 | Hig | 0.79 | 8.8 | 0.87 | KEV | Jul 20, 2015 | Buffer underflow in atmfd.dll in the Windows Adobe Type Manager Library in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 allows remote attackers to execute… | |
| CVE-2023-25610 | Cri | 0.65 | 9.8 | 0.18 | Mar 24, 2025 | A buffer underwrite ('buffer underflow') vulnerability in the administrative interface of Fortinet FortiOS version 7.2.0 through 7.2.3, version 7.0.0 through 7.0.6, version 6.4.0 through 6.4.11 and version 6.2.12 and below, FortiProxy version 7.2.0 through 7.2.2, version 7.0.0… | ||
| CVE-2018-15361 | Cri | 0.64 | 9.8 | 0.03 | Mar 5, 2019 | UltraVNC revision 1198 has a buffer underflow vulnerability in VNC client code, which can potentially result in code execution. This attack appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1199. | ||
| CVE-2026-16439 | Cri | 0.59 | 9.1 | 0.00 | Jul 21, 2026 | In Eclipse OpenJ9 versions up to 0.60, using -Xtrace to trace method arguments can lead to buffer underflow. | ||
| CVE-2026-44631 | Cri | 0.57 | 9.8 | 0.01 | Jun 8, 2026 | Buffer Underwrite vulnerability in Apache HTTP Server on crafted regular expressions in the configuration. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67. Users are recommended to upgrade to version 2.4.68, which fixes the issue. | ||
| CVE-2022-20683 | Hig | 0.56 | 8.6 | 0.01 | Apr 15, 2022 | A vulnerability in the Application Visibility and Control (AVC-FNF) feature of Cisco IOS XE Software for Cisco Catalyst 9800 Series Wireless Controllers could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This… | ||
| CVE-2025-27440 | Hig | 0.55 | 8.5 | 0.00 | Mar 11, 2025 | Heap overflow in some Zoom Workplace Apps may allow an authenticated user to conduct an escalation of privilege via network access. | ||
| CVE-2025-27439 | Hig | 0.55 | 8.5 | 0.00 | Mar 11, 2025 | Buffer underflow in some Zoom Workplace Apps may allow an authenticated user to conduct an escalation of privilege via network access. | ||
| CVE-2026-34253 | Hig | 0.53 | 8.2 | 0.01 | May 15, 2026 | A buffer underflow vulnerability has been identified in the ogg123 utility from the vorbis-tools 1.4.3 package in function remotethread in remote.c. This vulnerability occurs in the remote control functionality when processing malformed input, leading to a stack buffer underflow… | ||
| CVE-2026-0966 | Hig | 0.53 | 8.2 | 0.01 | Mar 26, 2026 | A flaw was found in libssh. The API function `ssh_get_hexa()` is vulnerable to a denial of service when processing zero-length input. This can be exploited remotely by an attacker during GSSAPI (Generic Security Service Application Program Interface) authentication if the… | ||
| CVE-2021-38575 | Hig | 0.53 | 8.1 | 0.02 | Dec 1, 2021 | NetworkPkg/IScsiDxe has remotely exploitable buffer overflows. | ||
| CVE-2025-61690 | Hig | 0.51 | 7.8 | 0.00 | Oct 2, 2025 | KV STUDIO versions 12.23 and prior contain a buffer underflow vulnerability. If the product uses a specially crafted file, arbitrary code may be executed on the affected product. | ||
| CVE-2024-52990 | Hig | 0.51 | 7.8 | 0.00 | Dec 10, 2024 | Animate versions 23.0.8, 24.0.5 and earlier are affected by a Buffer Underwrite ('Buffer Underflow') vulnerability that could result in arbitrary code execution in the context of the current user. An attacker could leverage this vulnerability to manipulate memory in such a way… | ||
| CVE-2022-33896 | Hig | 0.51 | 7.8 | 0.01 | Oct 7, 2022 | A buffer underflow vulnerability exists in the way Hword of Hancom Office 2020 version 11.0.0.5357 parses XML-based office files. A specially-crafted malformed file can cause memory corruption by using memory before buffer start, which can lead to code execution. A victim would… | ||
| CVE-2021-36064 | Hig | 0.51 | 7.8 | 0.03 | Sep 1, 2021 | XMP Toolkit version 2020.1 (and earlier) is affected by a Buffer Underflow vulnerability which could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file. | ||
| CVE-2023-34351 | Hig | 0.49 | 7.5 | 0.01 | Feb 14, 2024 | Buffer underflow in some Intel(R) PCM software before version 202307 may allow an unauthenticated user to potentially enable denial of service via network access. | ||
| CVE-2021-38578 | Hig | 0.48 | 7.4 | 0.01 | Mar 3, 2022 | Existing CommBuffer checks in SmmEntryPoint will not catch underflow when computing BufferSize. | ||
| CVE-2023-32614 | Hig | 0.46 | 7.0 | 0.01 | Sep 25, 2023 | A heap-based buffer overflow vulnerability exists in the create_png_object functionality of Accusoft ImageGear 20.1. A specially crafted malformed file can lead to memory corruption. An attacker can provide a malicious file to trigger this vulnerability. | ||
| CVE-2018-5388 | Med | 0.43 | 6.5 | 0.04 | May 31, 2018 | In stroke_socket.c in strongSwan before 5.6.3, a missing packet length check could allow a buffer underflow, which may lead to resource exhaustion and denial of service while reading from the socket. | ||
| CVE-2025-20695 | Med | 0.42 | 6.5 | 0.00 | Jul 8, 2025 | In Bluetooth FW, there is a possible system crash due to an uncaught exception. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS09741871; Issue ID: MSV-3317. |
- risk 0.79cvss 8.8epss 0.87
Buffer underflow in atmfd.dll in the Windows Adobe Type Manager Library in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 allows remote attackers to execute…
- risk 0.65cvss 9.8epss 0.18
A buffer underwrite ('buffer underflow') vulnerability in the administrative interface of Fortinet FortiOS version 7.2.0 through 7.2.3, version 7.0.0 through 7.0.6, version 6.4.0 through 6.4.11 and version 6.2.12 and below, FortiProxy version 7.2.0 through 7.2.2, version 7.0.0…
- risk 0.64cvss 9.8epss 0.03
UltraVNC revision 1198 has a buffer underflow vulnerability in VNC client code, which can potentially result in code execution. This attack appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1199.
- risk 0.59cvss 9.1epss 0.00
In Eclipse OpenJ9 versions up to 0.60, using -Xtrace to trace method arguments can lead to buffer underflow.
- risk 0.57cvss 9.8epss 0.01
Buffer Underwrite vulnerability in Apache HTTP Server on crafted regular expressions in the configuration. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67. Users are recommended to upgrade to version 2.4.68, which fixes the issue.
- risk 0.56cvss 8.6epss 0.01
A vulnerability in the Application Visibility and Control (AVC-FNF) feature of Cisco IOS XE Software for Cisco Catalyst 9800 Series Wireless Controllers could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This…
- risk 0.55cvss 8.5epss 0.00
Heap overflow in some Zoom Workplace Apps may allow an authenticated user to conduct an escalation of privilege via network access.
- risk 0.55cvss 8.5epss 0.00
Buffer underflow in some Zoom Workplace Apps may allow an authenticated user to conduct an escalation of privilege via network access.
- risk 0.53cvss 8.2epss 0.01
A buffer underflow vulnerability has been identified in the ogg123 utility from the vorbis-tools 1.4.3 package in function remotethread in remote.c. This vulnerability occurs in the remote control functionality when processing malformed input, leading to a stack buffer underflow…
- risk 0.53cvss 8.2epss 0.01
A flaw was found in libssh. The API function `ssh_get_hexa()` is vulnerable to a denial of service when processing zero-length input. This can be exploited remotely by an attacker during GSSAPI (Generic Security Service Application Program Interface) authentication if the…
- risk 0.53cvss 8.1epss 0.02
NetworkPkg/IScsiDxe has remotely exploitable buffer overflows.
- risk 0.51cvss 7.8epss 0.00
KV STUDIO versions 12.23 and prior contain a buffer underflow vulnerability. If the product uses a specially crafted file, arbitrary code may be executed on the affected product.
- risk 0.51cvss 7.8epss 0.00
Animate versions 23.0.8, 24.0.5 and earlier are affected by a Buffer Underwrite ('Buffer Underflow') vulnerability that could result in arbitrary code execution in the context of the current user. An attacker could leverage this vulnerability to manipulate memory in such a way…
- risk 0.51cvss 7.8epss 0.01
A buffer underflow vulnerability exists in the way Hword of Hancom Office 2020 version 11.0.0.5357 parses XML-based office files. A specially-crafted malformed file can cause memory corruption by using memory before buffer start, which can lead to code execution. A victim would…
- risk 0.51cvss 7.8epss 0.03
XMP Toolkit version 2020.1 (and earlier) is affected by a Buffer Underflow vulnerability which could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
- risk 0.49cvss 7.5epss 0.01
Buffer underflow in some Intel(R) PCM software before version 202307 may allow an unauthenticated user to potentially enable denial of service via network access.
- risk 0.48cvss 7.4epss 0.01
Existing CommBuffer checks in SmmEntryPoint will not catch underflow when computing BufferSize.
- risk 0.46cvss 7.0epss 0.01
A heap-based buffer overflow vulnerability exists in the create_png_object functionality of Accusoft ImageGear 20.1. A specially crafted malformed file can lead to memory corruption. An attacker can provide a malicious file to trigger this vulnerability.
- risk 0.43cvss 6.5epss 0.04
In stroke_socket.c in strongSwan before 5.6.3, a missing packet length check could allow a buffer underflow, which may lead to resource exhaustion and denial of service while reading from the socket.
- risk 0.42cvss 6.5epss 0.00
In Bluetooth FW, there is a possible system crash due to an uncaught exception. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS09741871; Issue ID: MSV-3317.