CWE-476— NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.— MITRE CWE catalog
5,799 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →
CVEs classified under CWE-476page 39 of 116
- CVE-2021-36614MEDIUMCVSS 6.5EG 6.52022-05-11
Mikrotik RouterOs before stable 6.48.2 suffers from a memory corruption vulnerability in the tr069-client process. An authenticated remote attacker can cause a Denial of Service (NULL pointer dereference).
- CVE-2021-36613MEDIUMCVSS 6.5EG 6.52022-05-11
Mikrotik RouterOs before stable 6.48.2 suffers from a memory corruption vulnerability in the ptp process. An authenticated remote attacker can cause a Denial of Service (NULL pointer dereference).
- CVE-2022-20796MEDIUMCVSS 6.5EG 6.52022-05-04
On May 4, 2022, the following vulnerability in the ClamAV scanning library versions 0.103.5 and earlier and 0.104.2 and earlier was disclosed: A vulnerability in Clam AntiVirus (ClamAV) versions 0.103.4, 0.103.5, 0.104.1, and 0.104.2 could…
- CVE-2021-39804MEDIUMCVSS 6.5EG 6.52022-04-12
In reinit of HeifDecoderImpl.cpp, there is a possible crash due to a missing null check. This could lead to remote persistent denial of service in the file picker with no additional execution privileges needed. User interaction is needed f…
- CVE-2022-22513MEDIUMCVSS 6.5EG 6.52022-04-07
An authenticated remote attacker can cause a null pointer dereference in the CmpSettings component of the affected CODESYS products which leads to a crash.
- CVE-2022-1201MEDIUMCVSS 6.5EG 6.52022-04-02
NULL Pointer Dereference in mrb_vm_exec with super in GitHub repository mruby/mruby prior to 3.2. This vulnerability is capable of making the mruby interpreter crash, thus affecting the availability of the system.
- CVE-2021-45117MEDIUMCVSS 6.5EG 6.52022-03-21
The OPC autogenerated ANSI C stack stubs (in the NodeSets) do not handle all error cases. This can lead to a NULL pointer dereference.
- CVE-2022-22638MEDIUMCVSS 6.5EG 6.52022-03-18
A null pointer dereference was addressed with improved validation. This issue is fixed in tvOS 15.4, iOS 15.4 and iPadOS 15.4, macOS Big Sur 11.6.5, Security Update 2022-003 Catalina, watchOS 8.5, macOS Monterey 12.3. An attacker in a priv…
- CVE-2021-3596MEDIUMCVSS 6.5EG 6.52022-02-24
A NULL pointer dereference flaw was found in ImageMagick in versions prior to 7.0.10-31 in ReadSVGImage() in coders/svg.c. This issue is due to not checking the return value from libxml2's xmlCreatePushParserCtxt() and uses the value direc…
- CVE-2021-44960MEDIUMCVSS 6.5EG 6.52022-02-15
In SVGPP SVG++ library 1.3.0, the XMLDocument::getRoot function in the renderDocument function handled the XMLDocument object improperly, returning a null pointer in advance at the second if, resulting in a null pointer reference behind th…
- CVE-2021-45385MEDIUMCVSS 6.5EG 6.52022-02-11
A Null Pointer Dereference vulnerability exits in ffjpeg d5cfd49 (2021-12-06) in bmp_load(). When the size information in metadata of the bmp is out of range, it returns without assign memory buffer to `pb->pdata` and did not exit the prog…
- CVE-2021-33068MEDIUMCVSS 6.5EG 6.52022-02-09
Null pointer dereference in subsystem for Intel(R) AMT before versions 15.0.35 may allow an authenticated user to potentially enable denial of service via network access.
- CVE-2022-23589MEDIUMCVSS 6.5EG 6.52022-02-04
Tensorflow is an Open Source Machine Learning Framework. Under certain scenarios, Grappler component of TensorFlow can trigger a null pointer dereference. There are 2 places where this can occur, for the same malicious alteration of a `Sav…
- CVE-2022-23577MEDIUMCVSS 6.5EG 6.52022-02-04
Tensorflow is an Open Source Machine Learning Framework. The implementation of `GetInitOp` is vulnerable to a crash caused by dereferencing a null pointer. The fix will be included in TensorFlow 2.8.0. We will also cherrypick this commit o…
- CVE-2022-23570MEDIUMCVSS 6.5EG 6.52022-02-04
Tensorflow is an Open Source Machine Learning Framework. When decoding a tensor from protobuf, TensorFlow might do a null-dereference if attributes of some mutable arguments to some operations are missing from the proto. This is guarded by…
- CVE-2022-21739MEDIUMCVSS 6.5EG 6.52022-02-03
Tensorflow is an Open Source Machine Learning Framework. The implementation of `QuantizedMaxPool` has an undefined behavior where user controlled inputs can trigger a reference binding to null pointer. The fix will be included in TensorFlo…
- CVE-2021-22570MEDIUMCVSS 6.5EG 6.52022-01-26
Nullptr dereference when a null char is present in a proto symbol. The symbol is parsed incorrectly, leading to an unchecked call into the proto file's name during generation of the resulting error message. Since the symbol is incorrectly …
- CVE-2021-4145MEDIUMCVSS 6.5EG 6.52022-01-25
A NULL pointer dereference issue was found in the block mirror layer of QEMU in versions prior to 6.2.0. The `self` pointer is dereferenced in mirror_wait_on_conflicts() without ensuring that it's not NULL. A malicious unprivileged user wi…
- CVE-2021-45340MEDIUMCVSS 6.5EG 6.52022-01-25
In Libsixel prior to and including v1.10.3, a NULL pointer dereference in the stb_image.h component of libsixel allows attackers to cause a denial of service (DOS) via a crafted PICT file.
- CVE-2021-46243MEDIUMCVSS 6.5EG 6.52022-01-21
An untrusted pointer dereference vulnerability exists in HDF5 v1.13.1-1 via the function H5O__dtype_decode_helper () at hdf5/src/H5Odtype.c. This vulnerability can lead to a Denial of Service (DoS).
- CVE-2020-36135MEDIUMCVSS 6.5EG 6.52021-12-02
AOM v2.0.1 was discovered to contain a NULL pointer dereference via the component rate_hist.c.
- CVE-2020-36130MEDIUMCVSS 6.5EG 6.52021-12-02
AOM v2.0.1 was discovered to contain a NULL pointer dereference via the component av1/av1_dx_iface.c.
- CVE-2021-27836MEDIUMCVSS 6.5EG 6.52021-11-03
An issue was discoverered in in function xls_getWorkSheet in xls.c in libxls 1.6.2, allows attackers to cause a denial of service, via a crafted XLS file.
- CVE-2021-1115MEDIUMCVSS 6.5EG 6.52021-10-27
NVIDIA GPU Display Driver for Windows contains a vulnerability in the kernel mode layer (nvlddmkm.sys) handler for private IOCTLs, where an attacker with local unprivileged system access may cause a NULL pointer dereference, which may lead…
- CVE-2021-3322MEDIUMCVSS 6.5EG 6.52021-10-12
Unexpected Pointer Aliasing in IEEE 802154 Fragment Reassembly in Zephyr. Zephyr versions >= >=2.4.0 contain NULL Pointer Dereference (CWE-476). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHS…
- CVE-2021-3671MEDIUMCVSS 6.5EG 6.52021-10-12
A null pointer de-reference was found in the way samba kerberos server handled missing sname in TGS-REQ (Ticket Granting Server - Request). An authenticated user could use this flaw to crash the samba server.
- CVE-2021-3319MEDIUMCVSS 6.5EG 6.52021-10-05
DOS: Incorrect 802154 Frame Validation for Omitted Source / Dest Addresses. Zephyr versions >= > v2.4.0 contain NULL Pointer Dereference (CWE-476), Attempt to Access Child of a Non-structure Pointer (CWE-588). For more information, see htt…
- CVE-2021-39535MEDIUMCVSS 6.5EG 6.52021-09-20
An issue was discovered in libxsmm through v1.16.1-93. A NULL pointer dereference exists in JIT code. It allows an attacker to cause Denial of Service.
- CVE-2021-39532MEDIUMCVSS 6.5EG 6.52021-09-20
An issue was discovered in libslax through v0.22.1. A NULL pointer dereference exists in the function slaxLexer() located in slaxlexer.c. It allows an attacker to cause Denial of Service.
- CVE-2021-39523MEDIUMCVSS 6.5EG 6.52021-09-20
An issue was discovered in libredwg through v0.10.1.3751. A NULL pointer dereference exists in the function check_POLYLINE_handles() located in decode.c. It allows an attacker to cause Denial of Service.
- CVE-2021-39521MEDIUMCVSS 6.5EG 6.52021-09-20
An issue was discovered in libredwg through v0.10.1.3751. A NULL pointer dereference exists in the function bit_read_BB() located in bits.c. It allows an attacker to cause Denial of Service.
- CVE-2021-39520MEDIUMCVSS 6.5EG 6.52021-09-20
An issue was discovered in libjpeg through 2020021. A NULL pointer dereference exists in the function BlockBitmapRequester::PushReconstructedData() located in blockbitmaprequester.cpp. It allows an attacker to cause Denial of Service.
- CVE-2021-39519MEDIUMCVSS 6.5EG 6.52021-09-20
An issue was discovered in libjpeg through 2020021. A NULL pointer dereference exists in the function BlockBitmapRequester::PullQData() located in blockbitmaprequester.cpp It allows an attacker to cause Denial of Service.
- CVE-2021-39517MEDIUMCVSS 6.5EG 6.52021-09-20
An issue was discovered in libjpeg through 2020021. A NULL pointer dereference exists in the function BlockBitmapRequester::ReconstructUnsampled() located in blockbitmaprequester.cpp. It allows an attacker to cause Denial of Service.
- CVE-2021-39516MEDIUMCVSS 6.5EG 6.52021-09-20
An issue was discovered in libjpeg through 2020021. A NULL pointer dereference exists in the function HuffmanDecoder::Get() located in huffmandecoder.hpp. It allows an attacker to cause Denial of Service.
- CVE-2021-39515MEDIUMCVSS 6.5EG 6.52021-09-20
An issue was discovered in libjpeg through 2020021. A NULL pointer dereference exists in the function SampleInterleavedLSScan::ParseMCU() located in sampleinterleavedlsscan.cpp. It allows an attacker to cause Denial of Service.
- CVE-2021-37750MEDIUMCVSS 6.5EG 6.52021-08-23
The Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.18.5 and 1.19.x before 1.19.3 has a NULL pointer dereference in kdc/do_tgs_req.c via a FAST inner body that lacks a server field.
- CVE-2021-35307MEDIUMCVSS 6.5EG 6.52021-08-05
An issue was discovered in Bento4 through v1.6.0-636. A NULL pointer dereference exists in the AP4_DescriptorFinder::Test component located in /Core/Ap4Descriptor.h. It allows an attacker to cause a denial of service (DOS).
- CVE-2021-35306MEDIUMCVSS 6.5EG 6.52021-08-05
An issue was discovered in Bento4 through v1.6.0-636. A NULL pointer dereference exists in the function AP4_StszAtom::WriteFields located in Ap4StszAtom.cpp. It allows an attacker to cause a denial of service (DOS).
- CVE-2020-20231MEDIUMCVSS 6.5EG 6.52021-07-14
Mikrotik RouterOs through stable version 6.48.3 suffers from a memory corruption vulnerability in the /nova/bin/detnet process. An authenticated remote attacker can cause a Denial of Service (NULL pointer dereference).
- CVE-2020-19722MEDIUMCVSS 6.5EG 6.52021-07-13
An unhandled memory allocation failure in Core/Ap4Atom.cpp of Bento 1.5.1-628 causes a direct copy to NULL pointer dereference, leading to a denial of service (DOS).
- CVE-2020-19720MEDIUMCVSS 6.5EG 6.52021-07-13
An unhandled memory allocation failure in Core/AP4IkmsAtom.cpp of Bento 1.5.1-628 causes a NULL pointer dereference, leading to a denial of service (DOS).
- CVE-2020-19718MEDIUMCVSS 6.5EG 6.52021-07-13
An unhandled memory allocation failure in Core/Ap4Atom.cpp of Bento 1.5.1-628 causes a NULL pointer dereference, leading to a denial of service (DOS).
- CVE-2020-19717MEDIUMCVSS 6.5EG 6.52021-07-13
An unhandled memory allocation failure in Core/Ap48bdlAtom.cpp of Bento 1.5.1-628 causes a NULL pointer dereference, leading to a denial of service (DOS).
- CVE-2020-20252MEDIUMCVSS 6.5EG 6.52021-07-13
Mikrotik RouterOs before stable version 6.47 suffers from a memory corruption vulnerability in the /nova/bin/lcdstat process. An authenticated remote attacker can cause a Denial of Service (NULL pointer dereference).
- CVE-2020-20250MEDIUMCVSS 6.5EG 6.52021-07-13
Mikrotik RouterOs before stable version 6.47 suffers from a memory corruption vulnerability in the /nova/bin/lcdstat process. An authenticated remote attacker can cause a Denial of Service (NULL pointer dereference). NOTE: this is differen…
- CVE-2020-20216MEDIUMCVSS 6.5EG 6.52021-07-07
Mikrotik RouterOs 6.44.6 (long-term tree) suffers from a memory corruption vulnerability in the /nova/bin/graphing process. An authenticated remote attacker can cause a Denial of Service (NULL pointer dereference).
- CVE-2020-20212MEDIUMCVSS 6.5EG 6.52021-07-07
Mikrotik RouterOs 6.44.5 (long-term tree) suffers from a memory corruption vulnerability in the /nova/bin/console process. An authenticated remote attacker can cause a Denial of Service (NULL pointer dereference).
- CVE-2019-12067MEDIUMCVSS 6.5EG 6.52021-06-02
The ahci_commit_buf function in ide/ahci.c in QEMU allows attackers to cause a denial of service (NULL dereference) when the command header 'ad->cur_cmd' is null.
- CVE-2021-3514MEDIUMCVSS 6.5EG 6.52021-05-28
When using a sync_repl client in 389-ds-base, an authenticated attacker can cause a NULL pointer dereference using a specially crafted query, causing a crash.
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