Every CVE whose affected-product data names Upx, ordered by CVSS severity, with EPSS exploit prediction and CISA KEV status.
CVEs (35)
CVE-2017-15056 — CVSS 7.8 (high): p_lx_elf.cpp in UPX 3.94 mishandles ELF headers, which allows remote attackers to cause a denial of service (application crash) or possibly…
CVE-2017-16869 — CVSS 7.8 (high): p_mach.cpp in UPX 3.94 allows remote attackers to cause a denial of service (invalid memory access and application crash) or possibly have…
CVE-2018-11243 — CVSS 7.8 (high): PackLinuxElf64::unpack in p_lx_elf.cpp in UPX 3.95 allows remote attackers to cause a denial of service (double free), limit the ability of…
CVE-2019-14296 — CVSS 7.8 (high): canUnpack in p_vmlinx.cpp in UPX 3.95 allows remote attackers to cause a denial of service (SEGV or buffer overflow, and application crash)…
CVE-2020-27796 — CVSS 7.8 (high): A heap-based buffer over-read was discovered in the invert_pt_dynamic function in p_lx_elf.cpp in UPX 4.0.0 via a crafted Mach-O file.
CVE-2020-27799 — CVSS 7.8 (high): A heap-based buffer over-read was discovered in the acc_ua_get_be32 function in miniacc.h in UPX 4.0.0 via a crafted Mach-O file.
CVE-2020-27800 — CVSS 7.8 (high): A heap-based buffer over-read was discovered in the get_le32 function in bele.h in UPX 4.0.0 via a crafted Mach-O file.
CVE-2020-27801 — CVSS 7.8 (high): A heap-based buffer over-read was discovered in the get_le64 function in bele.h in UPX 4.0.0 via a crafted Mach-O file.
CVE-2021-30500 — CVSS 7.8 (high): Null pointer dereference was found in upx PackLinuxElf::canUnpack() in p_lx_elf.cpp,in version UPX 4.0.0. That allow attackers to execute…
CVE-2021-43314 — CVSS 7.5 (high): A heap-based buffer overflows was discovered in upx, during the generic pointer 'p' points to an inaccessible address in func get_le32()…
CVE-2021-43315 — CVSS 7.5 (high): A heap-based buffer overflows was discovered in upx, during the generic pointer 'p' points to an inaccessible address in func get_le32()…
CVE-2021-43316 — CVSS 7.5 (high): A heap-based buffer overflow was discovered in upx, during the generic pointer 'p' points to an inaccessible address in func get_le64().
CVE-2021-43317 — CVSS 7.5 (high): A heap-based buffer overflows was discovered in upx, during the generic pointer 'p' points to an inaccessible address in func get_le32()…
CVE-2021-43311 — CVSS 7.5 (high): A heap-based buffer overflow was discovered in upx, during the generic pointer 'p' points to an inaccessible address in func get_le32()…
CVE-2021-43312 — CVSS 7.5 (high): A heap-based buffer overflow was discovered in upx, during the variable 'bucket' points to an inaccessible address. The issue is being…
CVE-2021-43313 — CVSS 7.5 (high): A heap-based buffer overflow was discovered in upx, during the variable 'bucket' points to an inaccessible address. The issue is being…
CVE-2020-24119 — CVSS 7.1 (high): A heap buffer overflow read was discovered in upx 4.0.0, because the check in p_lx_elf.cpp is not perfect.
CVE-2021-20285 — CVSS 6.6 (medium): A flaw was found in upx canPack in p_lx_elf.cpp in UPX 3.96. This flaw allows attackers to cause a denial of service (SEGV or buffer…
CVE-2021-46179 — CVSS 6.5 (medium): Reachable Assertion vulnerability in upx before 4.0.0 allows attackers to cause a denial of service via crafted file passed to the the…
CVE-2019-20805 — CVSS 5.5 (medium): p_lx_elf.cpp in UPX before 3.96 has an integer overflow during unpacking via crafted values in a PT_DYNAMIC segment.
CVE-2020-27787 — CVSS 5.5 (medium): A Segmentaation fault was found in UPX in invert_pt_dynamic() function in p_lx_elf.cpp. An attacker with a crafted input file allows…
CVE-2020-27788 — CVSS 5.5 (medium): An out-of-bounds read access vulnerability was discovered in UPX in PackLinuxElf64::canPack() function of p_lx_elf.cpp file. An attacker…
CVE-2020-27790 — CVSS 5.5 (medium): A floating point exception issue was discovered in UPX in PackLinuxElf64::invert_pt_dynamic() function of p_lx_elf.cpp file. An attacker…
CVE-2020-27797 — CVSS 5.5 (medium): An invalid memory address reference was discovered in the elf_lookup function in p_lx_elf.cpp in UPX 4.0.0 via a crafted Mach-O file.
CVE-2020-27798 — CVSS 5.5 (medium): An invalid memory address reference was discovered in the adjABS function in p_lx_elf.cpp in UPX 4.0.0 via a crafted Mach-O file.
CVE-2024-3209 — CVSS 5.5 (medium): A vulnerability was found in UPX up to 4.2.2. It has been rated as critical. This issue affects the function get_ne64 of the file bele.h…
CVE-2020-27802 — CVSS 5.5 (medium): An floating point exception was discovered in the elf_lookup function in p_lx_elf.cpp in UPX 4.0.0 via a crafted Mach-O file.
CVE-2021-30501 — CVSS 5.5 (medium): An assertion abort was found in upx MemBuffer::alloc() in mem.cpp, in version UPX 4.0.0. The flow allows attackers to cause a denial of…
CVE-2019-20021 — CVSS 5.5 (medium): A heap-based buffer over-read was discovered in canUnpack in p_mach.cpp in UPX 3.95 via a crafted Mach-O file.
CVE-2019-20051 — CVSS 5.5 (medium): A floating-point exception was discovered in PackLinuxElf::elf_hash in p_lx_elf.cpp in UPX 3.95. The vulnerability causes an application…
CVE-2019-20053 — CVSS 5.5 (medium): An invalid memory address dereference was discovered in the canUnpack function in p_mach.cpp in UPX 3.95 via a crafted Mach-O file.
CVE-2019-14295 — CVSS 5.5 (medium): An Integer overflow in the getElfSections function in p_vmlinx.cpp in UPX 3.95 allows remote attackers to cause a denial of service (crash)…
CVE-2023-23456 — CVSS 5.3 (medium): A heap-based buffer overflow issue was discovered in UPX in PackTmt::pack() in p_tmt.cpp file. The flow allows an attacker to cause a…
CVE-2023-23457 — CVSS 5.3 (medium): A Segmentation fault was found in UPX in PackLinuxElf64::invert_pt_dynamic() in p_lx_elf.cpp. An attacker with a crafted input file allows…
CVE-2025-2849 — CVSS 3.3 (low): A vulnerability, which was classified as problematic, was found in UPX up to 5.0.0. Affected is the function PackLinuxElf64::un_DT_INIT of…