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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
1Microsoft
7Endpoint Protection
Exchange ServerForefront Endpoint Protection+4 more
May 13, 2026
May 26, 2017
N/A· v4
5.5 MEDIUM· v3
4.3 MEDIUM· v2
The Microsoft Malware Protection Engine running on Microsoft Forefront and Microsoft Defender on Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1,...Show more
The Microsoft Malware Protection Engine running on Microsoft Forefront and Microsoft Defender on Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016, Microsoft Exchange Server 2013 and 2016, does not properly scan a specially crafted file leading to denial of service. aka "Microsoft Malware Protection Engine Denial of Service Vulnerability", a different vulnerability than CVE-2017-8535, CVE-2017-8536, CVE-2017-8539, and CVE-2017-8542.Show less
1Microsoft
7Endpoint Protection
Exchange ServerForefront Endpoint Protection+4 more
May 13, 2026
May 26, 2017
N/A· v4
5.5 MEDIUM· v3
4.3 MEDIUM· v2
The Microsoft Malware Protection Engine running on Microsoft Forefront and Microsoft Defender on Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1,...Show more
The Microsoft Malware Protection Engine running on Microsoft Forefront and Microsoft Defender on Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016, Microsoft Exchange Server 2013 and 2016, does not properly scan a specially crafted file leading to denial of service. aka "Microsoft Malware Protection Engine Denial of Service Vulnerability", a different vulnerability than CVE-2017-8535, CVE-2017-8537, CVE-2017-8539, and CVE-2017-8542.Show less
1Microsoft
7Endpoint Protection
Exchange ServerForefront Endpoint Protection+4 more
May 13, 2026
May 26, 2017
N/A· v4
5.5 MEDIUM· v3
4.3 MEDIUM· v2
The Microsoft Malware Protection Engine running on Microsoft Forefront and Microsoft Defender on Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1,...Show more
The Microsoft Malware Protection Engine running on Microsoft Forefront and Microsoft Defender on Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016, Microsoft Exchange Server 2013 and 2016, does not properly scan a specially crafted file leading to denial of service. aka "Microsoft Malware Protection Engine Denial of Service Vulnerability", a different vulnerability than CVE-2017-8536, CVE-2017-8537, CVE-2017-8539, and CVE-2017-8542.Show less
3Oniguruma Project
PhpRuby Lang
3Oniguruma
PhpRuby
May 13, 2026
May 24, 2017
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
An issue was discovered in Oniguruma 6.2.0, as used in Oniguruma-mod in Ruby through 2.4.1 and mbstring in PHP through 7.1.5. A SIGSEGV occurs in left_adjust_char_head() during regular expression compilation. Invalid han...Show more
An issue was discovered in Oniguruma 6.2.0, as used in Oniguruma-mod in Ruby through 2.4.1 and mbstring in PHP through 7.1.5. A SIGSEGV occurs in left_adjust_char_head() during regular expression compilation. Invalid handling of reg->dmax in forward_search_range() could result in an invalid pointer dereference, normally as an immediate denial-of-service condition.Show less
1Systemd Project
1Systemd
May 13, 2026
May 24, 2017
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
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.
2Artifex
Debian
2Debian Linux
Jbig2dec
May 13, 2026
May 24, 2017
N/A· v4
6.5 MEDIUM· v3
4.3 MEDIUM· v2
libjbig2dec.a in Artifex jbig2dec 0.13, as used in MuPDF and Ghostscript, has a NULL pointer dereference in the jbig2_huffman_get function in jbig2_huffman.c. For example, the jbig2dec utility will crash (segmentation fa...Show more
libjbig2dec.a in Artifex jbig2dec 0.13, as used in MuPDF and Ghostscript, has a NULL pointer dereference in the jbig2_huffman_get function in jbig2_huffman.c. For example, the jbig2dec utility will crash (segmentation fault) when parsing an invalid file.Show less
1Linux
1Linux Kernel
May 13, 2026
May 23, 2017
N/A· v4
5.5 MEDIUM· v3
4.9 MEDIUM· v2
The crypto_skcipher_init_tfm function in crypto/skcipher.c in the Linux kernel through 4.11.2 relies on a setkey function that lacks a key-size check, which allows local users to cause a denial of service (NULL pointer d...Show more
The crypto_skcipher_init_tfm function in crypto/skcipher.c in the Linux kernel through 4.11.2 relies on a setkey function that lacks a key-size check, which allows local users to cause a denial of service (NULL pointer dereference) via a crafted application.Show less
1Pgbouncer
1Pgbouncer
May 13, 2026
May 23, 2017
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
PgBouncer before 1.5.5 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) by sending a password packet before a startup packet.
1Vmware
2Workstation Player
Workstation Pro
May 13, 2026
May 22, 2017
N/A· v4
6.5 MEDIUM· v3
6.8 MEDIUM· v2
VMware Workstation Pro/Player contains a NULL pointer dereference vulnerability that exists in the vstor2 driver. Successful exploitation of this issue may allow host users with normal user privileges to trigger a denial...Show more
VMware Workstation Pro/Player contains a NULL pointer dereference vulnerability that exists in the vstor2 driver. Successful exploitation of this issue may allow host users with normal user privileges to trigger a denial-of-service in a Windows host machine.Show less
1Cairographics
1Cairo
May 13, 2026
May 19, 2017
N/A· v4
5.5 MEDIUM· v3
4.3 MEDIUM· v2
Cairo version 1.15.4 is vulnerable to a NULL pointer dereference related to the FT_Load_Glyph and FT_Render_Glyph resulting in an application crash.
1Freedesktop
1Poppler
May 13, 2026
May 19, 2017
N/A· v4
6.5 MEDIUM· v3
4.3 MEDIUM· v2
poppler 0.54.0, as used in Evince and other products, has a NULL pointer dereference in the JPXStream::readUByte function in JPXStream.cc. For example, the perf_test utility will crash (segmentation fault) when parsing a...Show more
poppler 0.54.0, as used in Evince and other products, has a NULL pointer dereference in the JPXStream::readUByte function in JPXStream.cc. For example, the perf_test utility will crash (segmentation fault) when parsing an invalid PDF file.Show less
1Libav
1Libav
May 13, 2026
May 18, 2017
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
libav before 12.1 is vulnerable to an invalid read of size 1 due to NULL pointer dereferencing in the nsv_read_chunk function in libavformat/nsvdec.c.
1Gnu
1Binutils
May 13, 2026
May 18, 2017
N/A· v4
5.5 MEDIUM· v3
4.3 MEDIUM· v2
GNU Binutils 2017-04-03 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash), related to the process_mips_specific function in readelf.c, via a crafted ELF file that trigg...Show more
GNU Binutils 2017-04-03 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash), related to the process_mips_specific function in readelf.c, via a crafted ELF file that triggers a large memory-allocation attempt.Show less
1Google
1Android
May 13, 2026
May 16, 2017
N/A· v4
7.8 HIGH· v3
9.3 HIGH· v2
In TrustZone an untrusted pointer dereference vulnerability can potentially occur in a DRM routine in all Android releases from CAF using the Linux kernel.
1Google
1Android
May 13, 2026
May 12, 2017
N/A· v4
5.5 MEDIUM· v3
7.1 HIGH· v2
A remote denial of service vulnerability in HevcUtils.cpp in libstagefright in Mediaserver could enable an attacker to use a specially crafted file to cause a device hang or reboot. This issue is rated as Low due to deta...Show more
A remote denial of service vulnerability in HevcUtils.cpp in libstagefright in Mediaserver could enable an attacker to use a specially crafted file to cause a device hang or reboot. This issue is rated as Low due to details specific to the vulnerability. Product: Android. Versions: 7.0, 7.1.1, 7.1.2. Android ID: A-35467107.Show less
1Nvidia
1Gpu Driver
May 13, 2026
May 9, 2017
N/A· v4
7.8 HIGH· v3
7.2 HIGH· v2
All versions of the NVIDIA GPU Display Driver contain a vulnerability in the kernel mode layer handler where a NULL pointer dereference caused by invalid user input may lead to denial of service or potential escalation o...Show more
All versions of the NVIDIA GPU Display Driver contain a vulnerability in the kernel mode layer handler where a NULL pointer dereference caused by invalid user input may lead to denial of service or potential escalation of privileges.Show less
1Nvidia
1Gpu Driver
May 13, 2026
May 9, 2017
N/A· v4
7.8 HIGH· v3
7.2 HIGH· v2
All versions of the NVIDIA Windows GPU Display Driver contain a vulnerability in the kernel mode layer (nvlddmkm.sys) handler for DxgkDdiEscape where a pointer passed from a user to the driver is not correctly validated...Show more
All versions of the NVIDIA Windows GPU Display Driver contain a vulnerability in the kernel mode layer (nvlddmkm.sys) handler for DxgkDdiEscape where a pointer passed from a user to the driver is not correctly validated before it is dereferenced for a write operation, may lead to denial of service or potential escalation of privileges.Show less
1Nvidia
1Gpu Driver
May 13, 2026
May 9, 2017
N/A· v4
7.8 HIGH· v3
7.2 HIGH· v2
All versions of the NVIDIA Windows GPU Display Driver contain a vulnerability in the kernel mode layer (nvlddmkm.sys) handler where a NULL pointer dereference may lead to denial of service or potential escalation of priv...Show more
All versions of the NVIDIA Windows GPU Display Driver contain a vulnerability in the kernel mode layer (nvlddmkm.sys) handler where a NULL pointer dereference may lead to denial of service or potential escalation of privileges.Show less
1Nvidia
1Gpu Driver
May 13, 2026
May 9, 2017
N/A· v4
7.8 HIGH· v3
7.2 HIGH· v2
All versions of the NVIDIA Windows GPU Display Driver contain a vulnerability in the kernel mode layer (nvlddmkm.sys) handler for DxgDdiEscape where user provided input can trigger an access to a pointer that has not bee...Show more
All versions of the NVIDIA Windows GPU Display Driver contain a vulnerability in the kernel mode layer (nvlddmkm.sys) handler for DxgDdiEscape where user provided input can trigger an access to a pointer that has not been initialized which may lead to denial of service or potential escalation of privileges.Show less
1Libetpan Project
1Libetpan
May 13, 2026
May 8, 2017
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
A null dereference vulnerability has been found in the MIME handling component of LibEtPan before 1.8, as used in MailCore and MailCore 2. A crash can occur in low-level/imf/mailimf.c during a failed parse of a Cc header...Show more
A null dereference vulnerability has been found in the MIME handling component of LibEtPan before 1.8, as used in MailCore and MailCore 2. A crash can occur in low-level/imf/mailimf.c during a failed parse of a Cc header containing multiple e-mail addresses.Show less