CWE-476
NULL Pointer Dereference
Description
The product dereferences a pointer that it expects to be valid but is NULL.
Hierarchy (View 1000)
CVEs mapped to this weakness (5,529)
page 27 of 277| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2020-25858 | Hig | 0.50 | 7.5 | 0.10 | Oct 15, 2020 | The QCMAP_Web_CLIENT binary in the Qualcomm QCMAP software suite prior to versions released in October 2020 does not validate the return value of a strstr() or strchr() call in the Tokenizer() function. An attacker who invokes the web interface with a crafted URL can crash the… | ||
| CVE-2020-8437 | Hig | 0.50 | 7.5 | 0.12 | Mar 2, 2020 | The bencoding parser in BitTorrent uTorrent through 3.5.5 (build 45505) misparses nested bencoded dictionaries, which allows a remote attacker to cause a denial of service. | ||
| CVE-2019-5010 | Hig | 0.50 | 7.5 | 0.21 | Oct 31, 2019 | An exploitable denial-of-service vulnerability exists in the X509 certificate parser of Python.org Python 2.7.11 / 3.6.6. A specially crafted X509 certificate can cause a NULL pointer dereference, resulting in a denial of service. An attacker can initiate or accept TLS… | ||
| CVE-2019-12259 | Hig | 0.50 | 7.5 | 0.16 | Aug 9, 2019 | Wind River VxWorks 6.6, 6.7, 6.8, 6.9 and vx7 has an array index error in the IGMPv3 client component. There is an IPNET security vulnerability: DoS via NULL dereference in IGMP parsing. | ||
| CVE-2017-3135 | Hig | 0.50 | 7.5 | 0.17 | Jan 16, 2019 | Under some conditions when using both DNS64 and RPZ to rewrite query responses, query processing can resume in an inconsistent state leading to either an INSIST assertion failure or an attempt to read through a NULL pointer. Affects BIND 9.8.8, 9.9.3-S1 -> 9.9.9-S7, 9.9.3 ->… | ||
| CVE-2018-19870 | Hig | 0.50 | 8.8 | 0.02 | Dec 26, 2018 | An issue was discovered in Qt before 5.11.3. A malformed GIF image causes a NULL pointer dereference in QGifHandler resulting in a segmentation fault. | ||
| CVE-2017-2635 | Hig | 0.50 | 7.7 | 0.02 | Aug 22, 2018 | A NULL pointer deference flaw was found in the way libvirt from 2.5.0 to 3.0.0 handled empty drives. A remote authenticated attacker could use this flaw to crash libvirtd daemon resulting in denial of service. | ||
| CVE-2018-1000168 | Hig | 0.50 | 7.5 | 0.11 | May 8, 2018 | nghttp2 version >= 1.10.0 and nghttp2 <= v1.31.0 contains an Improper Input Validation CWE-20 vulnerability in ALTSVC frame handling that can result in segmentation fault leading to denial of service. This attack appears to be exploitable via network client. This vulnerability… | ||
| CVE-2017-9217 | Hig | 0.50 | 7.5 | 0.15 | May 24, 2017 | systemd-resolved through 233 allows remote attackers to cause a denial of service (daemon crash) via a crafted DNS response with an empty question section. | ||
| CVE-2016-7053 | Hig | 0.50 | 7.5 | 0.22 | May 4, 2017 | In OpenSSL 1.1.0 before 1.1.0c, applications parsing invalid CMS structures can crash with a NULL pointer dereference. This is caused by a bug in the handling of the ASN.1 CHOICE type in OpenSSL 1.1.0 which can result in a NULL value being passed to the structure callback if an… | ||
| CVE-2016-4450 | Hig | 0.50 | 7.5 | 0.16 | Jun 7, 2016 | os/unix/ngx_files.c in nginx before 1.10.1 and 1.11.x before 1.11.1 allows remote attackers to cause a denial of service (NULL pointer dereference and worker process crash) via a crafted request, involving writing a client request body to a temporary file. | ||
| CVE-2004-0079 | Hig | 0.50 | 7.5 | 0.10 | Nov 23, 2004 | The do_change_cipher_spec function in OpenSSL 0.9.6c to 0.9.6k, and 0.9.7a to 0.9.7c, allows remote attackers to cause a denial of service (crash) via a crafted SSL/TLS handshake that triggers a null dereference. | ||
| CVE-2026-65681 | Hig | 0.49 | 7.5 | 0.01 | Aug 11, 2026 | Null pointer dereference in Windows iSCSI Target Service allows an unauthorized attacker to deny service over a network. | ||
| CVE-2026-59132 | Hig | 0.49 | 7.5 | 0.01 | Aug 11, 2026 | Null pointer dereference in Windows TCP/IP allows an unauthorized attacker to deny service over a network. | ||
| CVE-2026-48438 | Hig | 0.49 | 7.5 | 0.01 | Aug 11, 2026 | CAI Content Credentials is affected by a NULL Pointer Dereference vulnerability that could result in an application denial-of-service. An attacker could exploit this vulnerability to crash the application, leading to a denial-of-service condition. Exploitation of this issue does… | ||
| CVE-2026-72582 | Hig | 0.49 | 7.5 | 0.00 | Aug 10, 2026 | A NULL pointer dereference vulnerability in fastschema through v0.15.1 allows an unauthenticated remote attacker to crash the server process with a single HTTP request. The sendOTPEmail function in pkg/auth/local.go dereferences a pointer obtained from an unchecked error path… | ||
| CVE-2026-50032 | Hig | 0.49 | 7.5 | 0.00 | Jul 23, 2026 | A NULL pointer dereference in the MMS Write Named Variable List handler, which may allow a network adjacent attacker to crash the server by sending a WriteRequest with an empty listOfData field. | ||
| CVE-2026-13084 | Hig | 0.49 | 7.5 | 0.01 | Jul 3, 2026 | A null pointer dereference vulnerability in WatchGuard Fireware OS may allow a remote unauthenticated attacker to create a denial-of-service (DoS) condition by sending specially crafted IKEv2 messages. This vulnerability affects both the Mobile User VPN with IKEv2 and the… | ||
| CVE-2026-9716 | Hig | 0.49 | 7.5 | 0.00 | Jun 25, 2026 | CWE-476 NULL Pointer Dereference vulnerability exists that could cause a denial-of-service condition, rendering the device’s HMI and configuration functionality unavailable when malformed requests are received over exposed network interfaces. | ||
| CVE-2026-48139 | Hig | 0.49 | 7.5 | 0.00 | Jun 19, 2026 | There is a NULL pointer dereference vulnerability in NI grpc-device in the data moniker service that may allow an attacker to cause a denial of service by triggering a crash. Successful exploitation requires an attacker to provide an unknown value to the data moniker service.… |
- risk 0.50cvss 7.5epss 0.10
The QCMAP_Web_CLIENT binary in the Qualcomm QCMAP software suite prior to versions released in October 2020 does not validate the return value of a strstr() or strchr() call in the Tokenizer() function. An attacker who invokes the web interface with a crafted URL can crash the…
- risk 0.50cvss 7.5epss 0.12
The bencoding parser in BitTorrent uTorrent through 3.5.5 (build 45505) misparses nested bencoded dictionaries, which allows a remote attacker to cause a denial of service.
- risk 0.50cvss 7.5epss 0.21
An exploitable denial-of-service vulnerability exists in the X509 certificate parser of Python.org Python 2.7.11 / 3.6.6. A specially crafted X509 certificate can cause a NULL pointer dereference, resulting in a denial of service. An attacker can initiate or accept TLS…
- risk 0.50cvss 7.5epss 0.16
Wind River VxWorks 6.6, 6.7, 6.8, 6.9 and vx7 has an array index error in the IGMPv3 client component. There is an IPNET security vulnerability: DoS via NULL dereference in IGMP parsing.
- risk 0.50cvss 7.5epss 0.17
Under some conditions when using both DNS64 and RPZ to rewrite query responses, query processing can resume in an inconsistent state leading to either an INSIST assertion failure or an attempt to read through a NULL pointer. Affects BIND 9.8.8, 9.9.3-S1 -> 9.9.9-S7, 9.9.3 ->…
- risk 0.50cvss 8.8epss 0.02
An issue was discovered in Qt before 5.11.3. A malformed GIF image causes a NULL pointer dereference in QGifHandler resulting in a segmentation fault.
- risk 0.50cvss 7.7epss 0.02
A NULL pointer deference flaw was found in the way libvirt from 2.5.0 to 3.0.0 handled empty drives. A remote authenticated attacker could use this flaw to crash libvirtd daemon resulting in denial of service.
- risk 0.50cvss 7.5epss 0.11
nghttp2 version >= 1.10.0 and nghttp2 <= v1.31.0 contains an Improper Input Validation CWE-20 vulnerability in ALTSVC frame handling that can result in segmentation fault leading to denial of service. This attack appears to be exploitable via network client. This vulnerability…
- risk 0.50cvss 7.5epss 0.15
systemd-resolved through 233 allows remote attackers to cause a denial of service (daemon crash) via a crafted DNS response with an empty question section.
- risk 0.50cvss 7.5epss 0.22
In OpenSSL 1.1.0 before 1.1.0c, applications parsing invalid CMS structures can crash with a NULL pointer dereference. This is caused by a bug in the handling of the ASN.1 CHOICE type in OpenSSL 1.1.0 which can result in a NULL value being passed to the structure callback if an…
- risk 0.50cvss 7.5epss 0.16
os/unix/ngx_files.c in nginx before 1.10.1 and 1.11.x before 1.11.1 allows remote attackers to cause a denial of service (NULL pointer dereference and worker process crash) via a crafted request, involving writing a client request body to a temporary file.
- risk 0.50cvss 7.5epss 0.10
The do_change_cipher_spec function in OpenSSL 0.9.6c to 0.9.6k, and 0.9.7a to 0.9.7c, allows remote attackers to cause a denial of service (crash) via a crafted SSL/TLS handshake that triggers a null dereference.
- risk 0.49cvss 7.5epss 0.01
Null pointer dereference in Windows iSCSI Target Service allows an unauthorized attacker to deny service over a network.
- risk 0.49cvss 7.5epss 0.01
Null pointer dereference in Windows TCP/IP allows an unauthorized attacker to deny service over a network.
- risk 0.49cvss 7.5epss 0.01
CAI Content Credentials is affected by a NULL Pointer Dereference vulnerability that could result in an application denial-of-service. An attacker could exploit this vulnerability to crash the application, leading to a denial-of-service condition. Exploitation of this issue does…
- risk 0.49cvss 7.5epss 0.00
A NULL pointer dereference vulnerability in fastschema through v0.15.1 allows an unauthenticated remote attacker to crash the server process with a single HTTP request. The sendOTPEmail function in pkg/auth/local.go dereferences a pointer obtained from an unchecked error path…
- risk 0.49cvss 7.5epss 0.00
A NULL pointer dereference in the MMS Write Named Variable List handler, which may allow a network adjacent attacker to crash the server by sending a WriteRequest with an empty listOfData field.
- risk 0.49cvss 7.5epss 0.01
A null pointer dereference vulnerability in WatchGuard Fireware OS may allow a remote unauthenticated attacker to create a denial-of-service (DoS) condition by sending specially crafted IKEv2 messages. This vulnerability affects both the Mobile User VPN with IKEv2 and the…
- risk 0.49cvss 7.5epss 0.00
CWE-476 NULL Pointer Dereference vulnerability exists that could cause a denial-of-service condition, rendering the device’s HMI and configuration functionality unavailable when malformed requests are received over exposed network interfaces.
- risk 0.49cvss 7.5epss 0.00
There is a NULL pointer dereference vulnerability in NI grpc-device in the data moniker service that may allow an attacker to cause a denial of service by triggering a crash. Successful exploitation requires an attacker to provide an unknown value to the data moniker service.…