NULL Pointer Dereference

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

CVEs (5,440)

CVE VENDORS PRODUCTS UPDATED PUBLISHED CVSS
CVE-2021-46171 1Modex Project 1Modex Jun 17, 2026 Jan 14, 2022 N/A· v4 5.5 MEDIUM· v3 4.3 MEDIUM· v2 Modex v2.11 was discovered to contain a NULL pointer dereference in set_create_id() at xtract.c.
CVE-2021-46019 2Fedoraproject Gnu 2Fedora Recutils Jun 17, 2026 Jan 14, 2022 N/A· v4 5.5 MEDIUM· v3 4.3 MEDIUM· v2 An untrusted pointer dereference in rec_db_destroy() at rec-db.c of GNU Recutils v1.8.90 can lead to a segmentation fault or application crash.
CVE-2021-45773 1Mz Automation 1Lib60870 Jun 17, 2026 Jan 14, 2022 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 A NULL pointer dereference in CS104_IPAddress_setFromString at src/iec60870/cs104/cs104_slave.c of lib60870 commit 0d5e76e can lead to a segmentation fault or application crash.
CVE-2021-45769 1Mz Automation 1Libiec61850 Jun 17, 2026 Jan 14, 2022 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 A NULL pointer dereference in AcseConnection_parseMessage at src/mms/iso_acse/acse.c of libiec61850 v1.5.0 can lead to a segmentation fault or application crash.
CVE-2021-44741 1Adobe 4Acrobat Acrobat DcAcrobat Reader+1 more Jun 17, 2026 Jan 14, 2022 N/A· v4 5.5 MEDIUM· v3 4.3 MEDIUM· v2 Acrobat Reader DC version 21.007.20099 (and earlier), 20.004.30017 (and earlier) and 17.011.30204 (and earlier) are affected by a Null pointer dereference vulnerability when parsing a specially crafted file. An unauthent...Show more Acrobat Reader DC version 21.007.20099 (and earlier), 20.004.30017 (and earlier) and 17.011.30204 (and earlier) are affected by a Null pointer dereference vulnerability when parsing a specially crafted file. An unauthenticated attacker could leverage this vulnerability to achieve an application denial-of-service in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.Show less
CVE-2021-44740 1Adobe 4Acrobat Acrobat DcAcrobat Reader+1 more Jun 17, 2026 Jan 14, 2022 N/A· v4 5.5 MEDIUM· v3 4.3 MEDIUM· v2 Acrobat Reader DC version 21.007.20099 (and earlier), 20.004.30017 (and earlier) and 17.011.30204 (and earlier) are affected by a Null pointer dereference vulnerability when parsing a specially crafted file. An unauthent...Show more Acrobat Reader DC version 21.007.20099 (and earlier), 20.004.30017 (and earlier) and 17.011.30204 (and earlier) are affected by a Null pointer dereference vulnerability when parsing a specially crafted file. An unauthenticated attacker could leverage this vulnerability to achieve an application denial-of-service in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.Show less
CVE-2021-45761 1Ropium Project 1Ropium Jun 17, 2026 Jan 14, 2022 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 ROPium v3.1 was discovered to contain an invalid memory address dereference via the find() function.
CVE-2022-23222 4Debian FedoraprojectLinux+1 more 11Debian Linux FedoraH300e Firmware+8 more Jun 17, 2026 Jan 14, 2022 N/A· v4 7.8 HIGH· v3 7.2 HIGH· v2 kernel/bpf/verifier.c in the Linux kernel through 5.15.14 allows local users to gain privileges because of the availability of pointer arithmetic via certain *_OR_NULL pointer types.
CVE-2021-40576 1Gpac 1Gpac Jun 17, 2026 Jan 13, 2022 N/A· v4 5.5 MEDIUM· v3 4.3 MEDIUM· v2 The binary MP4Box in Gpac 1.0.1 has a null pointer dereference vulnerability in the gf_isom_get_payt_count function in hint_track.c, which allows attackers to cause a denial of service.
CVE-2021-40575 1Gpac 1Gpac Jun 17, 2026 Jan 13, 2022 N/A· v4 5.5 MEDIUM· v3 4.3 MEDIUM· v2 The binary MP4Box in Gpac 1.0.1 has a null pointer dereference vulnerability in the mpgviddmx_process function in reframe_mpgvid.c, which allows attackers to cause a denial of service. This vulnerability is possibly due...Show more The binary MP4Box in Gpac 1.0.1 has a null pointer dereference vulnerability in the mpgviddmx_process function in reframe_mpgvid.c, which allows attackers to cause a denial of service. This vulnerability is possibly due to an incomplete fix for CVE-2021-40566.Show less
CVE-2021-30330 1Qualcomm 110Apq8009 Firmware Apq8009w FirmwareApq8017 Firmware+107 more Jun 17, 2026 Jan 13, 2022 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 Possible null pointer dereference due to improper validation of APE clip in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Voice & Music, Snap...Show more Possible null pointer dereference due to improper validation of APE clip in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Voice & Music, Snapdragon WearablesShow less
CVE-2021-40565 1Gpac 1Gpac Jun 17, 2026 Jan 12, 2022 N/A· v4 5.5 MEDIUM· v3 4.3 MEDIUM· v2 A Segmentation fault caused by a null pointer dereference vulnerability exists in Gpac through 1.0.1 via the gf_avc_parse_nalu function in av_parsers.c when using mp4box, which causes a denial of service.
CVE-2021-40564 1Gpac 1Gpac Jun 17, 2026 Jan 12, 2022 N/A· v4 5.5 MEDIUM· v3 4.3 MEDIUM· v2 A Segmentation fault caused by null pointer dereference vulnerability eists in Gpac through 1.0.2 via the avc_parse_slice function in av_parsers.c when using mp4box, which causes a denial of service.
CVE-2021-40563 1Gpac 1Gpac Jun 17, 2026 Jan 12, 2022 N/A· v4 5.5 MEDIUM· v3 4.3 MEDIUM· v2 A Segmentation fault exists casued by null pointer dereference exists in Gpac through 1.0.1 via the naludmx_create_avc_decoder_config function in reframe_nalu.c when using mp4box, which causes a denial of service.
CVE-2021-40559 1Gpac 1Gpac Jun 17, 2026 Jan 12, 2022 N/A· v4 5.5 MEDIUM· v3 4.3 MEDIUM· v2 A null pointer deference vulnerability exists in gpac through 1.0.1 via the naludmx_parse_nal_avc function in reframe_nalu, which allows a denail of service.
CVE-2020-25427 1Gpac 1Gpac Jun 17, 2026 Jan 10, 2022 N/A· v4 5.5 MEDIUM· v3 4.3 MEDIUM· v2 A Null pointer dereference vulnerability exits in MP4Box - GPAC version 0.8.0-rev177-g51a8ef874-master via the gf_isom_get_track_id function, which causes a denial of service.
CVE-2021-46051 1Gpac 1Gpac Jun 17, 2026 Jan 10, 2022 N/A· v4 5.5 MEDIUM· v3 4.3 MEDIUM· v2 A Pointer Dereference Vulnerability exists in GPAC 1.0.1 via the Media_IsSelfContained function, which could cause a Denial of Service. .
CVE-2021-46049 1Gpac 1Gpac Jun 17, 2026 Jan 10, 2022 N/A· v4 5.5 MEDIUM· v3 4.3 MEDIUM· v2 A Pointer Dereference Vulnerability exists in GPAC 1.0.1 via the gf_fileio_check function, which could cause a Denial of Service.
CVE-2021-46047 1Gpac 1Gpac Jun 17, 2026 Jan 10, 2022 N/A· v4 5.5 MEDIUM· v3 4.3 MEDIUM· v2 A Pointer Dereference Vulnerability exists in GPAC 1.0.1 via the gf_hinter_finalize function.
CVE-2021-46046 1Gpac 1Gpac Jun 17, 2026 Jan 10, 2022 N/A· v4 5.5 MEDIUM· v3 4.3 MEDIUM· v2 A Pointer Derefernce Vulnerbility exists GPAC 1.0.1 the gf_isom_box_size function, which could cause a Denial of Service (context-dependent).

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