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CWE-476

5,846 CVEs • Abstraction: Base • Likelihood of Exploit: Medium

NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

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CVEs (5,846)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
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Oct 13, 2026
Oct 13, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
Null pointer dereference in Windows DHCP Server allows an unauthorized attacker to deny service over a network.
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Oct 16, 2026
Oct 13, 2026
N/A· v4
6.5 MEDIUM· v3
N/A· v2
Null pointer dereference in Active Directory Domain Services allows an authorized attacker to deny service over a network.
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Oct 16, 2026
Oct 13, 2026
N/A· v4
6.5 MEDIUM· v3
N/A· v2
Null pointer dereference in Windows Hyper-V allows an authorized attacker to deny service locally.
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Oct 16, 2026
Oct 13, 2026
N/A· v4
5.5 MEDIUM· v3
N/A· v2
Null pointer dereference in Windows Audio Service allows an authorized attacker to disclose information locally.
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Oct 16, 2026
Oct 13, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Null pointer dereference in Windows Schannel allows an authorized attacker to elevate privileges locally.
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Oct 16, 2026
Oct 13, 2026
N/A· v4
6.5 MEDIUM· v3
N/A· v2
Null pointer dereference in Windows Hyper-V allows an authorized attacker to deny service locally.
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Oct 16, 2026
Oct 13, 2026
N/A· v4
5.6 MEDIUM· v3
N/A· v2
Null pointer dereference in Windows VMSwitch allows an authorized attacker to deny service locally.
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Oct 16, 2026
Oct 13, 2026
N/A· v4
7.0 HIGH· v3
N/A· v2
Null pointer dereference in Windows Clipboard Server allows an authorized attacker to elevate privileges locally.
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Oct 14, 2026
Oct 13, 2026
N/A· v4
5.5 MEDIUM· v3
N/A· v2
Adobe Framemaker 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-o...Show more
Adobe Framemaker 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 requires user interaction in that a victim must open a malicious file.Show less
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Oct 15, 2026
Oct 13, 2026
7.1 HIGH· v4
6.5 MEDIUM· v3
N/A· v2
MongoDB Server's collection validation feature may not properly handle certain expressions stored in a validator. In some cases, this can cause the server process to stop running when a document is later inserted. The be...Show more
MongoDB Server's collection validation feature may not properly handle certain expressions stored in a validator. In some cases, this can cause the server process to stop running when a document is later inserted. The behavior can occur for authenticated users with write access.Show less
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Oct 16, 2026
Oct 13, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
mp4v2 2.0.0 contains a NULL pointer dereference vulnerability in MP4File::GenerateTracks() in src/mp4file.cpp. This allows a remote attacker to cause a denial of service
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Oct 14, 2026
Oct 13, 2026
7.1 HIGH· v4
N/A· v3
N/A· v2
CvFWD contained a null pointer dereference affecting service availability. Software customers upgrade to resolved maintenance release. Update all Commvault installations, including CommServe, Webserver, Command Center,...Show more
CvFWD contained a null pointer dereference affecting service availability. Software customers upgrade to resolved maintenance release. Update all Commvault installations, including CommServe, Webserver, Command Center, MediaAgents, Clients and HyperScale.Show less
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Oct 16, 2026
Oct 13, 2026
8.7 HIGH· v4
7.5 HIGH· v3
N/A· v2
yt-dlp-web-ui through 4.0.0 contains a NULL pointer dereference vulnerability in the Service.Formats JSON-RPC method that allows remote unauthenticated attackers to crash the server. Attackers can send a single request w...Show more
yt-dlp-web-ui through 4.0.0 contains a NULL pointer dereference vulnerability in the Service.Formats JSON-RPC method that allows remote unauthenticated attackers to crash the server. Attackers can send a single request with a url value like --version, causing invalid yt-dlp JSON output and an unrecovered panic that terminates the process.Show less
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Oct 16, 2026
Oct 13, 2026
7.1 HIGH· v4
6.5 MEDIUM· v3
N/A· v2
FreeRDP 2.3.0 before 3.32.0 dereferences a NULL stream in rdg_process_close_packet in libfreerdp/core/gateway/rdg.c because rdg_process_control_packet accepts a header-only PKT_TYPE_CLOSE_CHANNEL packet and passes the nu...Show more
FreeRDP 2.3.0 before 3.32.0 dereferences a NULL stream in rdg_process_close_packet in libfreerdp/core/gateway/rdg.c because rdg_process_control_packet accepts a header-only PKT_TYPE_CLOSE_CHANNEL packet and passes the null payload without a check. A malicious or compromised RD Gateway can send an eight-byte CLOSE_CHANNEL header to crash a connecting FreeRDP client.Show less
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Oct 13, 2026
Oct 13, 2026
7.1 HIGH· v4
6.5 MEDIUM· v3
N/A· v2
FreeRDP 3.27.1 before 3.32.0 contains a NULL pointer dereference in update_read_cache_bitmap_v3_order() in libfreerdp/core/orders.c, which accesses the client bitmap cache when the CBR3_DO_NOT_CACHE flag is set, even tho...Show more
FreeRDP 3.27.1 before 3.32.0 contains a NULL pointer dereference in update_read_cache_bitmap_v3_order() in libfreerdp/core/orders.c, which accesses the client bitmap cache when the CBR3_DO_NOT_CACHE flag is set, even though the cache is not yet initialized before Demand Active. A malicious or compromised RDP server can send a Cache Bitmap V3 order during connection setup to crash a connecting client that has enabled the non-default Bitmap Cache V3 feature (/cache:codec:<rfx|nsc|jpeg>).Show less
1Freerdp
1Freerdp
Oct 20, 2026
Oct 13, 2026
6.0 MEDIUM· v4
5.3 MEDIUM· v3
N/A· v2
FreeRDP 3.0.0-beta4 before 3.32.0 contains a NULL pointer dereference in arm_handle_request_ok when an ARM endpoint returns an empty HTTP 200 body. Attackers controlling the configured ARM gateway can return a zero-lengt...Show more
FreeRDP 3.0.0-beta4 before 3.32.0 contains a NULL pointer dereference in arm_handle_request_ok when an ARM endpoint returns an empty HTTP 200 body. Attackers controlling the configured ARM gateway can return a zero-length body to pass NULL to strnlen and crash the connecting client.Show less
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Oct 13, 2026
Oct 13, 2026
5.5 MEDIUM· v4
6.5 MEDIUM· v3
6.4 MEDIUM· v2
A weakness has been identified in Wavlink WL-WN592AX6 250422. Affected by this issue is the function main of the file /cgi-bin/upload.cgi. This manipulation of the argument Cookie causes null pointer dereference. The att...Show more
A weakness has been identified in Wavlink WL-WN592AX6 250422. Affected by this issue is the function main of the file /cgi-bin/upload.cgi. This manipulation of the argument Cookie causes null pointer dereference. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure.Show less
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Oct 15, 2026
Oct 12, 2026
2.0 LOW· v4
2.5 LOW· v3
N/A· v2
ImageMagick 7.1.0-20 before 7.1.2-32 contains a use after free vulnerability in the -fx option that occurs when a memory allocation fails during a specific operation. Attackers who can supply crafted -fx expressions unde...Show more
ImageMagick 7.1.0-20 before 7.1.2-32 contains a use after free vulnerability in the -fx option that occurs when a memory allocation fails during a specific operation. Attackers who can supply crafted -fx expressions under memory pressure can trigger freed memory access, causing crashes or memory corruption.Show less
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Oct 15, 2026
Oct 12, 2026
6.3 MEDIUM· v4
3.7 LOW· v3
N/A· v2
ImageMagick 7.1.1-31 before 7.1.2-32 contains a NULL pointer dereference in the PostScript decoder that is triggered when a policy limit is reached. Attackers can supply a crafted PostScript file for processing to crash...Show more
ImageMagick 7.1.1-31 before 7.1.2-32 contains a NULL pointer dereference in the PostScript decoder that is triggered when a policy limit is reached. Attackers can supply a crafted PostScript file for processing to crash the application, causing a denial of service.Show less
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Oct 13, 2026
Oct 12, 2026
2.0 LOW· v4
2.5 LOW· v3
N/A· v2
ImageMagick 7.1.0-20 before 7.1.2-32 contains an invalid memory free vulnerability in the fx operation that occurs when initialization of an FX runtime entry fails. Attackers can trigger the failed FX runtime initializat...Show more
ImageMagick 7.1.0-20 before 7.1.2-32 contains an invalid memory free vulnerability in the fx operation that occurs when initialization of an FX runtime entry fails. Attackers can trigger the failed FX runtime initialization to cause an invalid free, resulting in memory corruption and application crashes.Show less