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CWE-476

5,437 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 (5,437)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
5Canonical
NetappOracle+2 more
11Cloud Backup
Communications Messaging ServerCommunications Network Charging And Control+8 more
Jun 17, 2026
Feb 21, 2020
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
In SQLite 3.31.1, isAuxiliaryVtabOperator allows attackers to trigger a NULL pointer dereference and segmentation fault because of generated column optimizations.
4Canonical
Coturn ProjectDebian+1 more
4Coturn
Debian LinuxFedora+1 more
Jun 17, 2026
Feb 19, 2020
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
An exploitable denial-of-service vulnerability exists in the way CoTURN 4.5.1.1 web server parses POST requests. A specially crafted HTTP POST request can lead to server crash and denial of service. An attacker needs to...Show more
An exploitable denial-of-service vulnerability exists in the way CoTURN 4.5.1.1 web server parses POST requests. A specially crafted HTTP POST request can lead to server crash and denial of service. An attacker needs to send an HTTP request to trigger this vulnerability.Show less
1Broadcom
1Unified Infrastructure Management
Jun 17, 2026
Feb 18, 2020
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
CA Unified Infrastructure Management (Nimsoft/UIM) 20.1, 20.3.x, and 9.20 and below contains a null pointer dereference vulnerability in the robot (controller) component. A remote attacker can crash the Controller servic...Show more
CA Unified Infrastructure Management (Nimsoft/UIM) 20.1, 20.3.x, and 9.20 and below contains a null pointer dereference vulnerability in the robot (controller) component. A remote attacker can crash the Controller service.Show less
1Google
1Android
Jun 17, 2026
Feb 13, 2020
N/A· v4
6.5 MEDIUM· v3
6.8 MEDIUM· v2
In removeUnusedPackagesLPw of PackageManagerService.java, there is a possible permanent denial-of-service due to a missing package dependency test. This could lead to remote denial of service with User execution privileg...Show more
In removeUnusedPackagesLPw of PackageManagerService.java, there is a possible permanent denial-of-service due to a missing package dependency test. This could lead to remote denial of service with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10Android ID: A-141413692Show less
1Realtek
1Ndis
Jun 17, 2026
Feb 12, 2020
N/A· v4
5.5 MEDIUM· v3
2.1 LOW· v2
Realtek NDIS driver rt640x64.sys, file version 10.1.505.2015, fails to do any size checking on an input buffer from user space, which the driver assumes has a size greater than zero bytes. To exploit this vulnerability,...Show more
Realtek NDIS driver rt640x64.sys, file version 10.1.505.2015, fails to do any size checking on an input buffer from user space, which the driver assumes has a size greater than zero bytes. To exploit this vulnerability, an attacker must send an IRP with a system buffer size of 0.Show less
5Canonical
DebianFedoraproject+2 more
5Debian Linux
FedoraLeap+2 more
Nov 21, 2024
Feb 11, 2020
N/A· v4
7.5 HIGH· v3
4.3 MEDIUM· v2
gdImageClone in gd.c in libgd 2.1.0-rc2 through 2.2.5 has a NULL pointer dereference allowing attackers to crash an application via a specific function call sequence. Only affects PHP when linked with an external libgd (...Show more
gdImageClone in gd.c in libgd 2.1.0-rc2 through 2.2.5 has a NULL pointer dereference allowing attackers to crash an application via a specific function call sequence. Only affects PHP when linked with an external libgd (not bundled).Show less
2Fedoraproject
Libvncserver Project
2Fedora
Libvncserver
Nov 21, 2024
Feb 5, 2020
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
A NULL pointer dereference flaw was found in the way LibVNCServer before 0.9.9 handled certain ClientCutText message. A remote attacker could use this flaw to crash the VNC server by sending a specially crafted ClientCut...Show more
A NULL pointer dereference flaw was found in the way LibVNCServer before 0.9.9 handled certain ClientCutText message. A remote attacker could use this flaw to crash the VNC server by sending a specially crafted ClientCutText message from a VNC client.Show less
1Ossec
1Ossec
Jun 17, 2026
Jan 30, 2020
N/A· v4
5.5 MEDIUM· v3
2.1 LOW· v2
In OSSEC-HIDS 2.7 through 3.5.0, the server component responsible for log analysis (ossec-analysisd) is vulnerable to a denial of service (NULL pointer dereference) via crafted messages written directly to the analysisd...Show more
In OSSEC-HIDS 2.7 through 3.5.0, the server component responsible for log analysis (ossec-analysisd) is vulnerable to a denial of service (NULL pointer dereference) via crafted messages written directly to the analysisd UNIX domain socket by a local user.Show less
2Debian
Virglrenderer Project
2Debian Linux
Virglrenderer
Jun 17, 2026
Jan 27, 2020
N/A· v4
5.5 MEDIUM· v3
2.1 LOW· v2
A NULL pointer dereference in vrend_renderer.c in virglrenderer through 0.8.1 allows attackers to cause a denial of service via commands that attempt to launch a grid without previously providing a Compute Shader (CS).
1Lustre
1Lustre
Jun 17, 2026
Jan 27, 2020
N/A· v4
7.5 HIGH· v3
7.8 HIGH· v2
In the Lustre file system before 2.12.3, mdt_object_remote in the mdt module has a NULL pointer dereference and panic due to the lack of validation for specific fields of packets sent by a client.
1Dart
1Powertcp Webserver For Activex
Nov 21, 2024
Jan 23, 2020
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
NULL Pointer Dereference in PowerTCP WebServer for ActiveX 1.9.2 and earlier allows remote attackers to cause a denial of service (application crash) via a crafted HTTP request.
1Cesnet
1Libyang
Jun 17, 2026
Jan 22, 2020
N/A· v4
6.5 MEDIUM· v3
4.3 MEDIUM· v2
A NULL pointer dereference is present in libyang before v1.0-r3 in the function lys_extension_instances_free() due to a copy of unresolved extensions in lys_restr_dup(). Applications that use libyang to parse untrusted i...Show more
A NULL pointer dereference is present in libyang before v1.0-r3 in the function lys_extension_instances_free() due to a copy of unresolved extensions in lys_restr_dup(). Applications that use libyang to parse untrusted input yang files may crash.Show less
1Qualcomm
8Mdm9150 Firmware
Mdm9607 FirmwareMdm9650 Firmware+5 more
Jun 17, 2026
Jan 21, 2020
N/A· v4
7.5 HIGH· v3
7.8 HIGH· v2
Possible null pointer dereference issue in location assistance data processing due to missing null check on resources before using it in Snapdragon Auto, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mob...Show more
Possible null pointer dereference issue in location assistance data processing due to missing null check on resources before using it in Snapdragon Auto, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile in MDM9150, MDM9607, MDM9650, SDM660, SDM845, SM8150, SM8250, SXR2130Show less
1Qualcomm
46Apq8009 Firmware
Apq8017 FirmwareApq8053 Firmware+43 more
Jun 17, 2026
Jan 21, 2020
N/A· v4
7.5 HIGH· v3
7.8 HIGH· v2
Null pointer exception can happen while parsing invalid MKV clip where cue information is parsed before segment information in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdr...Show more
Null pointer exception can happen while parsing invalid MKV clip where cue information is parsed before segment information in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables in APQ8009, APQ8017, APQ8053, APQ8064, APQ8096AU, APQ8098, MDM9206, MDM9207C, MDM9607, MSM8905, MSM8909, MSM8909W, MSM8917, MSM8920, MSM8937, MSM8939, MSM8940, MSM8953, MSM8996, MSM8996AU, MSM8998, Nicobar, QCS605, QM215, Rennell, SA6155P, SDA660, SDA845, SDM429, SDM429W, SDM439, SDM450, SDM630, SDM632, SDM636, SDM660, SDM670, SDM710, SDM845, SDX20, SM6150, SM7150, SM8150, SM8250, SXR1130, SXR2130Show less
1Qualcomm
45Apq8009 Firmware
Apq8017 FirmwareApq8053 Firmware+42 more
Jun 17, 2026
Jan 21, 2020
N/A· v4
7.5 HIGH· v3
7.8 HIGH· v2
Null pointer dereference can occur while parsing the clip which is nonstandard in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdrag...Show more
Null pointer dereference can occur while parsing the clip which is nonstandard in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables in APQ8009, APQ8017, APQ8053, APQ8064, APQ8096AU, APQ8098, MDM9206, MDM9207C, MDM9607, MSM8909, MSM8909W, MSM8917, MSM8920, MSM8937, MSM8939, MSM8940, MSM8953, MSM8996, MSM8996AU, MSM8998, Nicobar, QCA6574AU, QCS605, QM215, Rennell, SDA660, SDA845, SDM429, SDM429W, SDM439, SDM450, SDM630, SDM632, SDM636, SDM660, SDM670, SDM710, SDM845, SDX20, SM6150, SM7150, SM8150, SM8250, SXR1130, SXR2130Show less
1Cisco
1Unified Personal Communicator
Nov 21, 2024
Jan 16, 2020
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
Cisco Unified Personal Communicator 7.0 (1.13056) does not free allocated memory for received data and does not perform validation if memory allocation is successful, causing a remote denial of service condition.
3Debian
FedoraprojectRedislabs
3Debian Linux
FedoraHiredis
Jun 17, 2026
Jan 16, 2020
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
async.c and dict.c in libhiredis.a in hiredis through 0.14.0 allow a NULL pointer dereference because malloc return values are unchecked.
2Debian
Wireshark
2Debian Linux
Wireshark
Jun 17, 2026
Jan 16, 2020
N/A· v4
6.5 MEDIUM· v3
3.3 LOW· v2
In Wireshark 3.0.x before 3.0.8, the BT ATT dissector could crash. This was addressed in epan/dissectors/packet-btatt.c by validating opcodes.
1Gonitro
1Nitropdf
Jun 17, 2026
Jan 10, 2020
N/A· v4
5.5 MEDIUM· v3
4.3 MEDIUM· v2
The JBIG2Globals library in npdf.dll in Nitro Free PDF Reader 12.0.0.112 has a CAPPDAnnotHandlerUtils::PDAnnotHandlerDestroyData2+0x90ec NULL Pointer Dereference via crafted Unicode content.
1Samsung
1Kies
Nov 21, 2024
Jan 9, 2020
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
Samsung Kies before 2.5.0.12094_27_11 contains a NULL pointer dereference vulnerability which could allow remote attackers to perform a denial of service.