CVE-2025-2849

<= 5.0.0

A vulnerability, which was classified as problematic, was found in UPX up to 5.0.0. Affected is the function PackLinuxElf64::un_DT

3.3LOW

CVE-2024-3209

<= 4.2.2

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

5.5MEDIUM

CVE-2021-46179

< 4.0.0

Reachable Assertion vulnerability in upx before 4.0.0 allows attackers to cause a denial of service via crafted file passed to the

6.5MEDIUM

CVE-2021-43317

< 4.0.0

A heap-based buffer overflows was discovered in upx, during the generic pointer 'p' points to an inaccessible address in func get_

7.5HIGH

CVE-2021-43316

< 4.0.0

A heap-based buffer overflow was discovered in upx, during the generic pointer 'p' points to an inaccessible address in func get_l

7.5HIGH

CVE-2021-43315

< 4.0.0

A heap-based buffer overflows was discovered in upx, during the generic pointer 'p' points to an inaccessible address in func get_

7.5HIGH

CVE-2021-43314

< 4.0.0

A heap-based buffer overflows was discovered in upx, during the generic pointer 'p' points to an inaccessible address in func get_

7.5HIGH

CVE-2021-43313

< 4.0.0

A heap-based buffer overflow was discovered in upx, during the variable 'bucket' points to an inaccessible address. The issue is b

7.5HIGH

CVE-2021-43312

< 4.0.0

A heap-based buffer overflow was discovered in upx, during the variable 'bucket' points to an inaccessible address. The issue is b

7.5HIGH

CVE-2021-43311

< 4.0.0

A heap-based buffer overflow was discovered in upx, during the generic pointer 'p' points to an inaccessible address in func get_l

7.5HIGH

CVE-2023-23457

< 2022-11-23

A Segmentation fault was found in UPX in PackLinuxElf64::invert_pt_dynamic() in p_lx_elf.cpp. An attacker with a crafted input fil

5.3MEDIUM

CVE-2023-23456

< 2022-11-24

A heap-based buffer overflow issue was discovered in UPX in PackTmt::pack() in p_tmt.cpp file. The flow allows an attacker to caus

5.3MEDIUM

CVE-2020-27802

all versions

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.

5.5MEDIUM

CVE-2020-27801

all versions

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.

7.8HIGH

CVE-2020-27800

all versions

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.

7.8HIGH

CVE-2020-27799

all versions

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.

7.8HIGH

CVE-2020-27798

all versions

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.

5.5MEDIUM

CVE-2020-27797

all versions

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 fi

5.5MEDIUM

CVE-2020-27796

all versions

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 f

7.8HIGH

CVE-2020-27788

< 3.96

An out-of-bounds read access vulnerability was discovered in UPX in PackLinuxElf64::canPack() function of p_lx_elf.cpp file. An at

5.5MEDIUM

CVE-2020-27790

< 3.96

A floating point exception issue was discovered in UPX in PackLinuxElf64::invert_pt_dynamic() function of p_lx_elf.cpp file. An at

5.5MEDIUM

CVE-2020-27787

< 3.96

A Segmentaation fault was found in UPX in invert_pt_dynamic() function in p_lx_elf.cpp. An attacker with a crafted input file allo

5.5MEDIUM

CVE-2021-30501

all versions

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 deni

5.5MEDIUM

CVE-2021-30500

all versions

Null pointer dereference was found in upx PackLinuxElf::canUnpack() in p_lx_elf.cpp,in version UPX 4.0.0. That allow attackers to

7.8HIGH

CVE-2020-24119

all versions

A heap buffer overflow read was discovered in upx 4.0.0, because the check in p_lx_elf.cpp is not perfect.

7.1HIGH

CVE-2021-20285

all versions

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 buff

6.6MEDIUM

CVE-2019-20805

< 3.96

p_lx_elf.cpp in UPX before 3.96 has an integer overflow during unpacking via crafted values in a PT_DYNAMIC segment.

5.5MEDIUM

CVE-2019-20053

all versions

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

5.5MEDIUM

CVE-2019-20051

all versions

A floating-point exception was discovered in PackLinuxElf::elf_hash in p_lx_elf.cpp in UPX 3.95. The vulnerability causes an appli

5.5MEDIUM

CVE-2019-20021

all versions

A heap-based buffer over-read was discovered in canUnpack in p_mach.cpp in UPX 3.95 via a crafted Mach-O file.

5.5MEDIUM

CVE-2019-14296

all versions

canUnpack in p_vmlinx.cpp in UPX 3.95 allows remote attackers to cause a denial of service (SEGV or buffer overflow, and applicati

7.8HIGH

CVE-2019-14295

all versions

An Integer overflow in the getElfSections function in p_vmlinx.cpp in UPX 3.95 allows remote attackers to cause a denial of servic

5.5MEDIUM

CVE-2018-11243

all versions

PackLinuxElf64::unpack in p_lx_elf.cpp in UPX 3.95 allows remote attackers to cause a denial of service (double free), limit the a

7.8HIGH

CVE-2017-16869

all versions

p_mach.cpp in UPX 3.94 allows remote attackers to cause a denial of service (invalid memory access and application crash) or possi

7.8HIGH

CVE-2017-15056

all versions

p_lx_elf.cpp in UPX 3.94 mishandles ELF headers, which allows remote attackers to cause a denial of service (application crash) or

7.8HIGH