NULL Pointer Dereference

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

CVEs (5,437)

CVE VENDORS PRODUCTS UPDATED PUBLISHED CVSS
CVE-2019-14878 1Newlib Project 1Newlib Jun 17, 2026 Mar 19, 2020 N/A· v4 6.5 MEDIUM· v3 4.0 MEDIUM· v2 In the __d2b function of the newlib libc library, all versions prior to 3.3.0 (see newlib/libc/stdlib/mprec.c), Balloc is used to allocate a big integer, however no check is performed to verify if the allocation succeede...Show more In the __d2b function of the newlib libc library, all versions prior to 3.3.0 (see newlib/libc/stdlib/mprec.c), Balloc is used to allocate a big integer, however no check is performed to verify if the allocation succeeded or not. Accessing _x will trigger a null pointer dereference bug in case of a memory allocation failure.Show less
CVE-2019-14877 1Newlib Project 1Newlib Jun 17, 2026 Mar 19, 2020 N/A· v4 6.5 MEDIUM· v3 4.0 MEDIUM· v2 In the __mdiff function of the newlib libc library, all versions prior to 3.3.0 (see newlib/libc/stdlib/mprec.c), Balloc is used to allocate big integers, however no check is performed to verify if the allocation succeed...Show more In the __mdiff function of the newlib libc library, all versions prior to 3.3.0 (see newlib/libc/stdlib/mprec.c), Balloc is used to allocate big integers, however no check is performed to verify if the allocation succeeded or not. The access to _wds and _sign will trigger a null pointer dereference bug in case of a memory allocation failure.Show less
CVE-2019-14876 1Newlib Project 1Newlib Jun 17, 2026 Mar 19, 2020 N/A· v4 6.5 MEDIUM· v3 4.0 MEDIUM· v2 In the __lshift function of the newlib libc library, all versions prior to 3.3.0 (see newlib/libc/stdlib/mprec.c), Balloc is used to allocate a big integer, however no check is performed to verify if the allocation succe...Show more In the __lshift function of the newlib libc library, all versions prior to 3.3.0 (see newlib/libc/stdlib/mprec.c), Balloc is used to allocate a big integer, however no check is performed to verify if the allocation succeeded or not. The access to b1 will trigger a null pointer dereference bug in case of a memory allocation failure.Show less
CVE-2019-14875 1Newlib Project 1Newlib Jun 17, 2026 Mar 19, 2020 N/A· v4 6.5 MEDIUM· v3 4.0 MEDIUM· v2 In the __multiply function of the newlib libc library, all versions prior to 3.3.0 (see newlib/libc/stdlib/mprec.c), Balloc is used to allocate a big integer, however no check is performed to verify if the allocation suc...Show more In the __multiply function of the newlib libc library, all versions prior to 3.3.0 (see newlib/libc/stdlib/mprec.c), Balloc is used to allocate a big integer, however no check is performed to verify if the allocation succeeded or not. The access of _x[0] will trigger a null pointer dereference bug in case of a memory allocation failure.Show less
CVE-2019-14874 1Newlib Project 1Newlib Jun 17, 2026 Mar 19, 2020 N/A· v4 6.5 MEDIUM· v3 4.0 MEDIUM· v2 In the __i2b function of the newlib libc library, all versions prior to 3.3.0 (see newlib/libc/stdlib/mprec.c), Balloc is used to allocate a big integer, however no check is performed to verify if the allocation succeede...Show more In the __i2b function of the newlib libc library, all versions prior to 3.3.0 (see newlib/libc/stdlib/mprec.c), Balloc is used to allocate a big integer, however no check is performed to verify if the allocation succeeded or not. The access of _ x[0] will trigger a null pointer dereference bug in case of a memory allocation failure.Show less
CVE-2019-14873 1Newlib Project 1Newlib Jun 17, 2026 Mar 19, 2020 N/A· v4 6.5 MEDIUM· v3 4.0 MEDIUM· v2 In the __multadd function of the newlib libc library, prior to versions 3.3.0 (see newlib/libc/stdlib/mprec.c), Balloc is used to allocate a big integer, however no check is performed to verify if the allocation succeede...Show more In the __multadd function of the newlib libc library, prior to versions 3.3.0 (see newlib/libc/stdlib/mprec.c), Balloc is used to allocate a big integer, however no check is performed to verify if the allocation succeeded or not. This will trigger a null pointer dereference bug in case of a memory allocation failure.Show less
CVE-2019-14872 1Newlib Project 1Newlib Jun 17, 2026 Mar 19, 2020 N/A· v4 6.5 MEDIUM· v3 4.0 MEDIUM· v2 The _dtoa_r function of the newlib libc library, prior to version 3.3.0, performs multiple memory allocations without checking their return value. This could result in NULL pointer dereference.
CVE-2019-14871 1Newlib Project 1Newlib Jun 17, 2026 Mar 18, 2020 N/A· v4 6.5 MEDIUM· v3 4.0 MEDIUM· v2 The REENT_CHECK macro (see newlib/libc/include/sys/reent.h) as used by REENT_CHECK_TM, REENT_CHECK_MISC, REENT_CHECK_MP and other newlib macros in versions prior to 3.3.0, does not check for memory allocation problems wh...Show more The REENT_CHECK macro (see newlib/libc/include/sys/reent.h) as used by REENT_CHECK_TM, REENT_CHECK_MISC, REENT_CHECK_MP and other newlib macros in versions prior to 3.3.0, does not check for memory allocation problems when the DEBUG flag is unset (as is the case in production firmware builds).Show less
CVE-2020-5544 1Mitsubishielectric 1Iu1 1m20 D Firmware Jun 17, 2026 Mar 16, 2020 N/A· v4 9.8 CRITICAL· v3 7.5 HIGH· v2 Null Pointer Dereference vulnerability in TCP function included in the firmware of Mitsubishi Electric MELQIC IU1 series IU1-1M20-D firmware version 1.0.7 and earlier allows remote attackers to stop the network functions...Show more Null Pointer Dereference vulnerability in TCP function included in the firmware of Mitsubishi Electric MELQIC IU1 series IU1-1M20-D firmware version 1.0.7 and earlier allows remote attackers to stop the network functions or execute malware via a specially crafted packet.Show less
CVE-2020-5960 1Nvidia 1Virtual Gpu Manager Jun 17, 2026 Mar 12, 2020 N/A· v4 5.5 MEDIUM· v3 2.1 LOW· v2 NVIDIA Virtual GPU Manager contains a vulnerability in the kernel module (nvidia.ko), where a null pointer dereference may occur, which may lead to denial of service.
CVE-2019-14061 1Qualcomm 45Apq8009 Firmware Apq8017 FirmwareApq8053 Firmware+42 more Jun 17, 2026 Mar 5, 2020 N/A· v4 7.5 HIGH· v3 7.8 HIGH· v2 Null-pointer dereference can occur while accessing the segment element info when it is not allocated and assigned in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Indus...Show more Null-pointer dereference can occur while accessing the segment element info when it is not allocated and assigned 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, MSM8909W, MSM8917, MSM8920, MSM8937, MSM8939, MSM8940, MSM8953, MSM8996, MSM8996AU, Nicobar, QCS405, QCS605, QM215, Rennell, Saipan, SDA660, SDA845, SDM429, SDM429W, SDM439, SDM450, SDM630, SDM632, SDM636, SDM660, SDM670, SDM710, SDM845, SDX20, SM6150, SM7150, SM8150, SM8250, SXR1130, SXR2130Show less
CVE-2019-10616 1Qualcomm 12Apq8009 Firmware Apq8016 FirmwareMdm9150 Firmware+9 more Jun 17, 2026 Mar 5, 2020 N/A· v4 5.5 MEDIUM· v3 4.9 MEDIUM· v2 Possibility of null pointer access if the SPDM commands are executed in the non-standard way in TZ. in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdrago...Show more Possibility of null pointer access if the SPDM commands are executed in the non-standard way in TZ. in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking in APQ8009, APQ8016, MDM9150, MDM9206, MDM9607, MDM9650, MSM8905, MSM8909, MSM8909W, MSM8998, SA6155P, SDX24Show less
CVE-2019-10591 1Qualcomm 43Apq8009 Firmware Apq8017 FirmwareApq8053 Firmware+40 more Jun 17, 2026 Mar 5, 2020 N/A· v4 7.5 HIGH· v3 7.8 HIGH· v2 Null pointer dereference can happen when parsing udta atom which is non-standard and having invalid depth in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IO...Show more Null pointer dereference can happen when parsing udta atom which is non-standard and having invalid depth 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, APQ8096AU, APQ8098, MDM9206, MDM9207C, MDM9607, MSM8905, MSM8909W, MSM8917, MSM8939, MSM8953, MSM8996, MSM8996AU, MSM8998, Nicobar, QCS405, QCS605, QM215, Rennell, SA6155P, Saipan, SDA660, SDA845, SDM429, SDM429W, SDM439, SDM450, SDM630, SDM632, SDM636, SDM660, SDM670, SDM710, SDM845, SDX20, SM6150, SM7150, SM8150, SM8250, SXR1130, SXR2130Show less
CVE-2019-10549 1Qualcomm 22Msm8905 Firmware Msm8909 FirmwareMsm8917 Firmware+19 more Jun 17, 2026 Mar 5, 2020 N/A· v4 7.5 HIGH· v3 7.8 HIGH· v2 Null pointer dereference issue can happen due to improper validation of CSEQ header response received from network in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mo...Show more Null pointer dereference issue can happen due to improper validation of CSEQ header response received from network in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables in MSM8905, MSM8909, MSM8917, MSM8920, MSM8937, MSM8940, MSM8953, Nicobar, QCM2150, QM215, Rennell, SC8180X, SDM429, SDM429W, SDM439, SDM450, SDM632, SDX24, SDX55, SM6150, SM7150, SM8150Show less
CVE-2020-8437 1Bittorrent 1Utorrent Jun 17, 2026 Mar 2, 2020 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 The bencoding parser in BitTorrent uTorrent through 3.5.5 (build 45505) misparses nested bencoded dictionaries, which allows a remote attacker to cause a denial of service.
CVE-2020-6795 1Mozilla 1Thunderbird Jun 17, 2026 Mar 2, 2020 N/A· v4 6.5 MEDIUM· v3 4.3 MEDIUM· v2 When processing a message that contains multiple S/MIME signatures, a bug in the MIME processing code caused a null pointer dereference, leading to an unexploitable crash. This vulnerability affects Thunderbird < 68.5.
CVE-2020-9545 1Palemoon 1Pale Moon Jun 17, 2026 Mar 2, 2020 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 Pale Moon 28.x before 28.8.4 has a segmentation fault related to module scripting, as demonstrated by a Lacoste web site.
CVE-2020-9429 2Opensuse Wireshark 2Leap Wireshark Jun 17, 2026 Feb 27, 2020 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 In Wireshark 3.2.0 to 3.2.1, the WireGuard dissector could crash. This was addressed in epan/dissectors/packet-wireguard.c by handling the situation where a certain data structure intentionally has a NULL value.
CVE-2020-7062 4Canonical DebianOpensuse+1 more 4Debian Linux LeapPhp+1 more Jun 17, 2026 Feb 27, 2020 N/A· v4 7.5 HIGH· v3 4.3 MEDIUM· v2 In PHP versions 7.2.x below 7.2.28, 7.3.x below 7.3.15 and 7.4.x below 7.4.3, when using file upload functionality, if upload progress tracking is enabled, but session.upload_progress.cleanup is set to 0 (disabled), and...Show more In PHP versions 7.2.x below 7.2.28, 7.3.x below 7.3.15 and 7.4.x below 7.4.3, when using file upload functionality, if upload progress tracking is enabled, but session.upload_progress.cleanup is set to 0 (disabled), and the file upload fails, the upload procedure would try to clean up data that does not exist and encounter null pointer dereference, which would likely lead to a crash.Show less
CVE-2020-9385 1Zint 1Zint Jun 17, 2026 Feb 25, 2020 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 A NULL Pointer Dereference exists in libzint in Zint 2.7.1 because multiple + characters are mishandled in add_on in upcean.c, when called from eanx in upcean.c during EAN barcode generation.

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