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CWE-476

5,434 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 (5,434)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
2Canonical
Linux
2Linux Kernel
Ubuntu Linux
Jun 17, 2026
Mar 10, 2018
N/A· v4
5.5 MEDIUM· v3
2.1 LOW· v2
The unimac_mdio_probe function in drivers/net/phy/mdio-bcm-unimac.c in the Linux kernel through 4.15.8 does not validate certain resource availability, which allows local users to cause a denial of service (NULL pointer...Show more
The unimac_mdio_probe function in drivers/net/phy/mdio-bcm-unimac.c in the Linux kernel through 4.15.8 does not validate certain resource availability, which allows local users to cause a denial of service (NULL pointer dereference).Show less
1Sil
1Graphite2
Jun 17, 2026
Mar 9, 2018
N/A· v4
8.8 HIGH· v3
6.8 MEDIUM· v2
In libgraphite2 in graphite2 1.3.11, a NULL pointer dereference vulnerability was found in Segment.cpp during a dumbRendering operation, which may allow attackers to cause a denial of service or possibly have unspecified...Show more
In libgraphite2 in graphite2 1.3.11, a NULL pointer dereference vulnerability was found in Segment.cpp during a dumbRendering operation, which may allow attackers to cause a denial of service or possibly have unspecified other impact via a crafted .ttf file.Show less
2Debian
Libvips
2Debian Linux
Libvips
Jun 17, 2026
Mar 9, 2018
N/A· v4
7.5 HIGH· v3
5.1 MEDIUM· v2
In libvips before 8.6.3, a NULL function pointer dereference vulnerability was found in the vips_region_generate function in region.c, which allows remote attackers to cause a denial of service or possibly have unspecifi...Show more
In libvips before 8.6.3, a NULL function pointer dereference vulnerability was found in the vips_region_generate function in region.c, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted image file. This occurs because of a race condition involving a failed delayed load and other worker threads.Show less
2Debian
Libming
2Debian Linux
Libming
Jun 17, 2026
Mar 8, 2018
N/A· v4
6.5 MEDIUM· v3
4.3 MEDIUM· v2
An invalid memory address dereference was discovered in the function getName in libming 0.4.8 for CONSTANT16 data. The vulnerability causes a segmentation fault and application crash, which leads to denial of service.
2Debian
Libming
2Debian Linux
Libming
Jun 17, 2026
Mar 8, 2018
N/A· v4
6.5 MEDIUM· v3
4.3 MEDIUM· v2
An invalid memory address dereference was discovered in getString in util/decompile.c in libming 0.4.8 for CONSTANT16 data. The vulnerability causes a segmentation fault and application crash, which leads to denial of se...Show more
An invalid memory address dereference was discovered in getString in util/decompile.c in libming 0.4.8 for CONSTANT16 data. The vulnerability causes a segmentation fault and application crash, which leads to denial of service.Show less
2Debian
Libming
2Debian Linux
Libming
Jun 17, 2026
Mar 8, 2018
N/A· v4
6.5 MEDIUM· v3
4.3 MEDIUM· v2
A NULL pointer dereference was discovered in newVar3 in util/decompile.c in libming 0.4.8. The vulnerability causes a segmentation fault and application crash, which leads to denial of service.
4Debian
FedoraprojectMit+1 more
6Debian Linux
Enterprise Linux DesktopEnterprise Linux Server+3 more
Jun 17, 2026
Mar 6, 2018
N/A· v4
4.7 MEDIUM· v3
6.5 MEDIUM· v2
MIT krb5 1.6 or later allows an authenticated kadmin with permission to add principals to an LDAP Kerberos database to cause a denial of service (NULL pointer dereference) or bypass a DN container check by supplying tagg...Show more
MIT krb5 1.6 or later allows an authenticated kadmin with permission to add principals to an LDAP Kerberos database to cause a denial of service (NULL pointer dereference) or bypass a DN container check by supplying tagged data that is internal to the database module.Show less
2Canonical
Exempi Project
2Exempi
Ubuntu Linux
Jun 17, 2026
Mar 6, 2018
N/A· v4
5.5 MEDIUM· v3
4.3 MEDIUM· v2
An issue was discovered in Exempi through 2.4.4. XMPFiles/source/FormatSupport/WEBP_Support.cpp does not check whether a bitstream has a NULL value, leading to a NULL pointer dereference in the WEBP::VP8XChunk class.
1Huawei
24Dp300 Firmware
Ips Module FirmwareNgfw Module Firmware+21 more
Nov 21, 2024
Mar 5, 2018
N/A· v4
5.5 MEDIUM· v3
2.1 LOW· v2
PEM module of Huawei DP300 V500R002C00; IPS Module V500R001C00; V500R001C30; NGFW Module V500R001C00; V500R002C00; NIP6300 V500R001C00; V500R001C30; NIP6600 V500R001C00; V500R001C30; RP200 V500R002C00; V600R006C00; S1270...Show more
PEM module of Huawei DP300 V500R002C00; IPS Module V500R001C00; V500R001C30; NGFW Module V500R001C00; V500R002C00; NIP6300 V500R001C00; V500R001C30; NIP6600 V500R001C00; V500R001C30; RP200 V500R002C00; V600R006C00; S12700 V200R007C00; V200R007C01; V200R008C00; V200R009C00; V200R010C00; S1700 V200R006C10; V200R009C00; V200R010C00; S2700 V200R006C10; V200R007C00; V200R008C00; V200R009C00; V200R010C00; S5700 V200R006C00; V200R007C00; V200R008C00; V200R009C00; V200R010C00; S6700 V200R008C00; V200R009C00; V200R010C00; S7700 V200R007C00; V200R008C00; V200R009C00; V200R010C00; S9700 V200R007C00; V200R007C01; V200R008C00; V200R009C00; V200R010C00; Secospace USG6300 V500R001C00; V500R001C30; Secospace USG6500 V500R001C00; V500R001C30; Secospace USG6600 V500R001C00; V500R001C30S; TE30 V100R001C02; V100R001C10; V500R002C00; V600R006C00; TE40 V500R002C00; V600R006C00; TE50 V500R002C00; V600R006C00; TE60 V100R001C01; V100R001C10; V500R002C00; V600R006C00; TP3106 V100R002C00; TP3206 V100R002C00; V100R002C10; USG9500 V500R001C00; V500R001C30; ViewPoint 9030 V100R011C02; V100R011C03 has a null pointer reference vulnerability due to insufficient verification. An authenticated local attacker calls PEM decoder with special parameter which could cause a denial of service.Show less
1Huawei
6Dp300 Firmware
Rp200 FirmwareTe30 Firmware+3 more
Nov 21, 2024
Mar 5, 2018
N/A· v4
5.5 MEDIUM· v3
2.1 LOW· v2
XML parser in Huawei DP300 V500R002C00; RP200 V500R002C00SPC200; V600R006C00; TE30 V100R001C10; V500R002C00; V600R006C00; TE40 V500R002C00; V600R006C00; TE50 V500R002C00; V600R006C00; TE60 V100R001C10; V500R002C00; V600R...Show more
XML parser in Huawei DP300 V500R002C00; RP200 V500R002C00SPC200; V600R006C00; TE30 V100R001C10; V500R002C00; V600R006C00; TE40 V500R002C00; V600R006C00; TE50 V500R002C00; V600R006C00; TE60 V100R001C10; V500R002C00; V600R006C00 has a DoS vulnerability. Due to not check the specially XML file enough an authenticated local attacker may craft specific XML files to the affected products and parse this file which cause to null pointer accessing and result in DoS attacks.Show less
1Huawei
1Vp9660 Firmware
Nov 21, 2024
Mar 5, 2018
N/A· v4
5.5 MEDIUM· v3
2.1 LOW· v2
Huawei VP9660 V500R002C10 has a null pointer reference vulnerability in license module due to insufficient verification. An authenticated local attacker could place a malicious license file into system which cause memory...Show more
Huawei VP9660 V500R002C10 has a null pointer reference vulnerability in license module due to insufficient verification. An authenticated local attacker could place a malicious license file into system which cause memory null pointer accessing and related processing crash. The attacker can exploit this vulnerability to cause a denial of service.Show less
1Linux
1Linux Kernel
Nov 21, 2024
Mar 5, 2018
N/A· v4
5.5 MEDIUM· v3
2.1 LOW· v2
In fs/ocfs2/cluster/nodemanager.c in the Linux kernel before 4.15, local users can cause a denial of service (NULL pointer dereference and BUG) because a required mutex is not used.
1Moxa
4Oncell G3110 Hspa T Firmware
Oncell G3110 Hspa FirmwareOncell G3150 Hspa T Firmware+1 more
Jun 17, 2026
Mar 5, 2018
N/A· v4
6.5 MEDIUM· v3
3.3 LOW· v2
A NULL Pointer Dereference issue was discovered in Moxa OnCell G3100-HSPA Series version 1.4 Build 16062919 and prior. The application does not check for a NULL value, allowing for an attacker to perform a denial of serv...Show more
A NULL Pointer Dereference issue was discovered in Moxa OnCell G3100-HSPA Series version 1.4 Build 16062919 and prior. The application does not check for a NULL value, allowing for an attacker to perform a denial of service attack.Show less
2Debian
Torproject
2Debian Linux
Tor
Nov 21, 2024
Mar 5, 2018
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
An issue was discovered in Tor before 0.2.9.15, 0.3.1.x before 0.3.1.10, and 0.3.2.x before 0.3.2.10. The directory-authority protocol-list subprotocol implementation allows remote attackers to cause a denial of service...Show more
An issue was discovered in Tor before 0.2.9.15, 0.3.1.x before 0.3.1.10, and 0.3.2.x before 0.3.2.10. The directory-authority protocol-list subprotocol implementation allows remote attackers to cause a denial of service (NULL pointer dereference and directory-authority crash) via a misformatted relay descriptor that is mishandled during voting.Show less
2Gnu
Redhat
4Binutils
Enterprise Linux DesktopEnterprise Linux Server+1 more
Jun 17, 2026
Mar 2, 2018
N/A· v4
5.5 MEDIUM· v3
4.3 MEDIUM· v2
The swap_std_reloc_in function in aoutx.h in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.30, allows remote attackers to cause a denial of service (aout_32_swap_std_reloc_out NU...Show more
The swap_std_reloc_in function in aoutx.h in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.30, allows remote attackers to cause a denial of service (aout_32_swap_std_reloc_out NULL pointer dereference and application crash) via a crafted ELF file, as demonstrated by objcopy.Show less
3Canonical
DebianLinux
3Debian Linux
Linux KernelUbuntu Linux
Nov 21, 2024
Mar 2, 2018
N/A· v4
6.5 MEDIUM· v3
7.1 HIGH· v2
The Linux kernel before version 4.11 is vulnerable to a NULL pointer dereference in fs/cifs/cifsencrypt.c:setup_ntlmv2_rsp() that allows an attacker controlling a CIFS server to kernel panic a client that has this server...Show more
The Linux kernel before version 4.11 is vulnerable to a NULL pointer dereference in fs/cifs/cifsencrypt.c:setup_ntlmv2_rsp() that allows an attacker controlling a CIFS server to kernel panic a client that has this server mounted, because an empty TargetInfo field in an NTLMSSP setup negotiation response is mishandled during session recovery.Show less
1Linux
1Linux Kernel
Nov 21, 2024
Mar 2, 2018
N/A· v4
4.7 MEDIUM· v3
4.7 MEDIUM· v2
The netfilter subsystem in the Linux kernel through 4.15.7 mishandles the case of a rule blob that contains a jump but lacks a user-defined chain, which allows local users to cause a denial of service (NULL pointer deref...Show more
The netfilter subsystem in the Linux kernel through 4.15.7 mishandles the case of a rule blob that contains a jump but lacks a user-defined chain, which allows local users to cause a denial of service (NULL pointer dereference) by leveraging the CAP_NET_RAW or CAP_NET_ADMIN capability, related to arpt_do_table in net/ipv4/netfilter/arp_tables.c, ipt_do_table in net/ipv4/netfilter/ip_tables.c, and ip6t_do_table in net/ipv6/netfilter/ip6_tables.c.Show less
2Canonical
Imagemagick
2Imagemagick
Ubuntu Linux
Nov 21, 2024
Mar 1, 2018
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
In ImageMagick 7.0.7, a NULL pointer dereference vulnerability was found in the function saveBinaryCLProgram in magick/opencl.c because a program-lookup result is not checked, related to CacheOpenCLKernel.
1Imagemagick
1Imagemagick
Nov 21, 2024
Mar 1, 2018
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
In ImageMagick 7.0.7, a NULL pointer dereference vulnerability was found in the function BenchmarkOpenCLDevices in MagickCore/opencl.c because a memory allocation result is not checked.
2Canonical
Imagemagick
2Imagemagick
Ubuntu Linux
Nov 21, 2024
Mar 1, 2018
N/A· v4
8.8 HIGH· v3
6.8 MEDIUM· v2
In the GetOpenCLCachedFilesDirectory function in magick/opencl.c in ImageMagick 7.0.7, a NULL pointer dereference vulnerability occurs because a memory allocation result is not checked, related to GetOpenCLCacheDirectory...Show more
In the GetOpenCLCachedFilesDirectory function in magick/opencl.c in ImageMagick 7.0.7, a NULL pointer dereference vulnerability occurs because a memory allocation result is not checked, related to GetOpenCLCacheDirectory.Show less