CWE-476— NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.— MITRE CWE catalog

5,484 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →

CVEs classified under CWE-476page 22 of 110

CVE-2019-16232MEDIUMCVSS 4.1EG 4.1
2019-09-11
drivers/net/wireless/marvell/libertas/if_sdio.c in the Linux kernel 5.2.14 does not check the alloc_workqueue return value, leading to a NULL pointer dereference.
CVE-2019-16233MEDIUMCVSS 4.1EG 4.1
2019-09-11
drivers/scsi/qla2xxx/qla_os.c in the Linux kernel 5.2.14 does not check the alloc_workqueue return value, leading to a NULL pointer dereference.
CVE-2019-16234MEDIUMCVSS 4.7EG 4.7
2019-09-11
drivers/net/wireless/intel/iwlwifi/pcie/trans.c in the Linux kernel 5.2.14 does not check the alloc_workqueue return value, leading to a NULL pointer dereference.
CVE-2019-16348MEDIUMCVSS 6.5EG 6.5
2019-09-16
marc-q libwav through 2017-04-20 has a NULL pointer dereference in gain_file() at wav_gain.c.
CVE-2019-16349MEDIUMCVSS 5.5EG 5.5
2019-09-16
Bento4 1.5.1-628 has a NULL pointer dereference in AP4_ByteStream::ReadUI32 in Core/Ap4ByteStream.cpp when called from the AP4_TrunAtom class.
CVE-2019-16350MEDIUMCVSS 6.5EG 6.5
2019-09-16
ffjpeg before 2019-08-18 has a NULL pointer dereference in idct2d8x8() at dct.c.
CVE-2019-16351MEDIUMCVSS 6.5EG 6.5
2019-09-16
ffjpeg before 2019-08-18 has a NULL pointer dereference in huffman_decode_step() at huffman.c.
CVE-2019-16446CRITICALCVSS 9.8EG 9.8
2019-12-19
Adobe Acrobat and Reader versions , 2019.021.20056 and earlier, 2017.011.30152 and earlier, 2017.011.30155 and earlier version, 2017.011.30152 and earlier, and 2015.006.30505 and earlier have an untrusted pointer dereference vulnerability.…
CVE-2019-16455CRITICALCVSS 9.8EG 9.8
2019-12-19
Adobe Acrobat and Reader versions , 2019.021.20056 and earlier, 2017.011.30152 and earlier, 2017.011.30155 and earlier version, 2017.011.30152 and earlier, and 2015.006.30505 and earlier have an untrusted pointer dereference vulnerability.…
CVE-2019-16460CRITICALCVSS 9.8EG 9.8
2019-12-19
Adobe Acrobat and Reader versions , 2019.021.20056 and earlier, 2017.011.30152 and earlier, 2017.011.30155 and earlier version, 2017.011.30152 and earlier, and 2015.006.30505 and earlier have an untrusted pointer dereference vulnerability.…
CVE-2019-16463CRITICALCVSS 9.8EG 9.8
2019-12-19
Adobe Acrobat and Reader versions , 2019.021.20056 and earlier, 2017.011.30152 and earlier, 2017.011.30155 and earlier version, 2017.011.30152 and earlier, and 2015.006.30505 and earlier have an untrusted pointer dereference vulnerability.…
CVE-2019-16754HIGHCVSS 7.5EG 7.5
2019-09-24
RIOT 2019.07 contains a NULL pointer dereference in the MQTT-SN implementation (asymcute), potentially allowing an attacker to crash a network node running RIOT. This requires spoofing an MQTT server response. To do so, the attacker needs …
CVE-2019-17064MEDIUMCVSS 5.5EG 5.5
2019-10-01
Catalog.cc in Xpdf 4.02 has a NULL pointer dereference because Catalog.pageLabels is initialized too late in the Catalog constructor.
CVE-2019-17452MEDIUMCVSS 6.5EG 6.5
2019-10-10
Bento4 1.5.1.0 has a NULL pointer dereference in AP4_DescriptorListInspector::Action in Core/Ap4Descriptor.h, related to AP4_IodsAtom::InspectFields in Core/Ap4IodsAtom.cpp, as demonstrated by mp4dump.
CVE-2019-17453MEDIUMCVSS 6.5EG 6.5
2019-10-10
Bento4 1.5.1.0 has a NULL pointer dereference in AP4_DescriptorListWriter::Action in Core/Ap4Descriptor.h, related to AP4_IodsAtom::WriteFields in Core/Ap4IodsAtom.cpp, as demonstrated by mp4encrypt or mp4compact.
CVE-2019-17454MEDIUMCVSS 6.5EG 6.5
2019-10-10
Bento4 1.5.1.0 has a NULL pointer dereference in AP4_Descriptor::GetTag in Core/Ap4Descriptor.h, related to AP4_StsdAtom::GetSampleDescription in Core/Ap4StsdAtom.cpp, as demonstrated by mp4info.
CVE-2019-17502HIGHCVSS 7.5EG 7.5
2019-10-12
Hydra through 0.1.8 has a NULL pointer dereference and daemon crash when processing POST requests that lack a Content-Length header. read.c, request.c, and util.c contribute to this. The process_header_end() function calls boa_atoi(), whic…
CVE-2019-17539CRITICALCVSS 9.8EG 9.8
2019-10-14
In FFmpeg before 4.2, avcodec_open2 in libavcodec/utils.c allows a NULL pointer dereference and possibly unspecified other impact when there is no valid close function pointer.
CVE-2019-18190CRITICALCVSS 9.8EG 9.8
2019-12-09
Trend Micro Security (Consumer) 2020 (v16.x) is affected by a vulnerability in where null pointer dereference errors result in the crash of application, which could potentially lead to possible unsigned code execution under certain circums…
CVE-2019-18388MEDIUMCVSS 5.5EG 5.5
2019-12-23
A NULL pointer dereference in vrend_renderer.c in virglrenderer through 0.8.0 allows guest OS users to cause a denial of service via malformed commands.
CVE-2019-18635HIGHCVSS 7.5EG 7.5
2019-10-30
An issue was discovered in Mooltipass Moolticute through v0.42.1 and v0.42.x-testing through v0.42.5-testing. There is a NULL pointer dereference in MPDevice_win.cpp.
CVE-2019-18680HIGHCVSS 7.5EG 7.5
2019-11-04
An issue was discovered in the Linux kernel 4.4.x before 4.4.195. There is a NULL pointer dereference in rds_tcp_kill_sock() in net/rds/tcp.c that will cause denial of service, aka CID-91573ae4aed0.
CVE-2019-18799MEDIUMCVSS 6.5EG 6.5
2019-11-06
LibSass before 3.6.3 allows a NULL pointer dereference in Sass::Parser::parseCompoundSelector in parser_selectors.cpp.
CVE-2019-18804HIGHCVSS 7.5EG 7.5
2019-11-07
DjVuLibre 3.5.27 has a NULL pointer dereference in the function DJVU::filter_fv at IW44EncodeCodec.cpp.
CVE-2019-18838HIGHCVSS 7.5EG 7.5
2019-12-13
An issue was discovered in Envoy 1.12.0. Upon receipt of a malformed HTTP request without a Host header, it sends an internally generated "Invalid request" response. This internally generated response is dispatched through the configured e…
CVE-2019-18885MEDIUMCVSS 5.5EG 5.5
2019-11-14
fs/btrfs/volumes.c in the Linux kernel before 5.1 allows a btrfs_verify_dev_extents NULL pointer dereference via a crafted btrfs image because fs_devices->devices is mishandled within find_device, aka CID-09ba3bc9dd15.
CVE-2019-18976HIGHCVSS 7.5EG 7.5
2019-11-22
An issue was discovered in res_pjsip_t38.c in Sangoma Asterisk through 13.x and Certified Asterisk through 13.21-x. If it receives a re-invite initiating T.38 faxing and has a port of 0 and no c line in the SDP, a NULL pointer dereference …
CVE-2019-1900HIGHCVSS 7.5EG 7.5
2019-08-21
A vulnerability in the web server of Cisco Integrated Management Controller (IMC) could allow an unauthenticated, remote attacker to cause the web server process to crash, causing a denial of service (DoS) condition on an affected system. …
CVE-2019-19011HIGHCVSS 7.5EG 7.5
2019-11-17
MiniUPnP ngiflib 0.4 has a NULL pointer dereference in GifIndexToTrueColor in ngiflib.c via a file that lacks a palette.
CVE-2019-19036MEDIUMCVSS 5.5EG 5.5
2019-11-21
btrfs_root_node in fs/btrfs/ctree.c in the Linux kernel through 5.3.12 allows a NULL pointer dereference because rcu_dereference(root->node) can be zero.
CVE-2019-19037MEDIUMCVSS 5.5EG 5.5
2019-11-21
ext4_empty_dir in fs/ext4/namei.c in the Linux kernel through 5.3.12 allows a NULL pointer dereference because ext4_read_dirblock(inode,0,DIRENT_HTREE) can be zero.
CVE-2019-1922HIGHCVSS 5.3EG 7.5
2019-07-06
A vulnerability in Cisco SIP IP Phone Software for Cisco IP Phone 7800 Series and 8800 Series could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected phone. The vulnerability is due to in…
CVE-2019-19227MEDIUMCVSS 5.5EG 5.5
2019-11-22
In the AppleTalk subsystem in the Linux kernel before 5.1, there is a potential NULL pointer dereference because register_snap_client may return NULL. This will lead to denial of service in net/appletalk/aarp.c and net/appletalk/ddp.c, as …
CVE-2019-19242MEDIUMCVSS 5.9EG 5.9
2019-11-27
SQLite 3.30.1 mishandles pExpr->y.pTab, as demonstrated by the TK_COLUMN case in sqlite3ExprCodeTarget in expr.c.
CVE-2019-19269MEDIUMCVSS 4.9EG 4.9
2019-11-30
An issue was discovered in tls_verify_crl in ProFTPD through 1.3.6b. A dereference of a NULL pointer may occur. This pointer is returned by the OpenSSL sk_X509_REVOKED_value() function when encountering an empty CRL installed by a system a…
CVE-2019-19272HIGHCVSS 7.5EG 7.5
2019-11-26
An issue was discovered in tls_verify_crl in ProFTPD before 1.3.6. Direct dereference of a NULL pointer (a variable initialized to NULL) leads to a crash when validating the certificate of a client connecting to the server in a TLS client/…
CVE-2019-19308MEDIUMCVSS 5.5EG 5.5
2019-11-27
In text_to_glyphs in sushi-font-widget.c in gnome-font-viewer 3.34.0, there is a NULL pointer dereference while parsing a TTF font file that lacks a name section (due to a g_strconcat call that returns NULL).
CVE-2019-19376MEDIUMCVSS 6.5EG 6.5
2019-11-28
In Octopus Deploy before 2019.10.6, an authenticated user with TeamEdit permission could send a malformed Team API request that bypasses input validation and causes an application level denial of service condition. (The fix for this was al…
CVE-2019-19462MEDIUMCVSS 5.5EG 5.5
2019-11-30
relay_open in kernel/relay.c in the Linux kernel through 5.4.1 allows local users to cause a denial of service (such as relay blockage) by triggering a NULL alloc_percpu result.
CVE-2019-19647HIGHCVSS 7.8EG 7.8
2019-12-09
radare2 through 4.0.0 lacks validation of the content variable in the function r_asm_pseudo_incbin at libr/asm/asm.c, ultimately leading to an arbitrary write. This allows remote attackers to cause a denial of service (application crash) o…
CVE-2019-19698MEDIUMCVSS 6.5EG 6.5
2019-12-10
marc-q libwav through 2017-04-20 has a NULL pointer dereference in wav_content_read() at libwav.c.
CVE-2019-19722MEDIUMCVSS 5.3EG 5.3
2019-12-13
In Dovecot before 2.3.9.2, an attacker can crash a push-notification driver with a crafted email when push notifications are used, because of a NULL Pointer Dereference. The email must use a group address as either the sender or the recipi…
CVE-2019-19789MEDIUMCVSS 6.5EG 6.5
2019-12-20
3S-Smart CODESYS SP Realtime NT before V2.3.7.28, CODESYS Runtime Toolkit 32 bit full before V2.4.7.54, and CODESYS PLCWinNT before V2.4.7.54 allow a NULL pointer dereference.
CVE-2019-19815MEDIUMCVSS 5.5EG 5.5
2019-12-17
In the Linux kernel 5.0.21, mounting a crafted f2fs filesystem image can cause a NULL pointer dereference in f2fs_recover_fsync_data in fs/f2fs/recovery.c. This is related to F2FS_P_SB in fs/f2fs/f2fs.h.
CVE-2019-19819MEDIUMCVSS 5.5EG 5.5
2020-01-10
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.
CVE-2019-19880HIGHCVSS 7.5EG 7.5
2019-12-18
exprListAppendList in window.c in SQLite 3.30.1 allows attackers to trigger an invalid pointer dereference because constant integer values in ORDER BY clauses of window definitions are mishandled.
CVE-2019-19887MEDIUMCVSS 6.5EG 6.5
2019-12-18
bitstr_tell at bitstr.c in ffjpeg through 2019-08-21 has a NULL pointer dereference related to jfif_encode.
CVE-2019-19923HIGHCVSS 7.5EG 7.5
2019-12-24
flattenSubquery in select.c in SQLite 3.30.1 mishandles certain uses of SELECT DISTINCT involving a LEFT JOIN in which the right-hand side is a view. This can cause a NULL pointer dereference (or incorrect results).
CVE-2019-19926HIGHCVSS 7.5EG 7.5
2019-12-23
multiSelect in select.c in SQLite 3.30.1 mishandles certain errors during parsing, as demonstrated by errors from sqlite3WindowRewrite() calls. NOTE: this vulnerability exists because of an incomplete fix for CVE-2019-19880.
CVE-2019-19965MEDIUMCVSS 4.7EG 4.7
2019-12-25
In the Linux kernel through 5.4.6, there is a NULL pointer dereference in drivers/scsi/libsas/sas_discover.c because of mishandling of port disconnection during discovery, related to a PHY down race condition, aka CID-f70267f379b5.

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