Vulnerability index

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Upx MEDIUM 5.5
CVE-2025-2849

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 the file s…

Fix: after 5.0.0
Fix from $1,600 2025-03-27
Upx MEDIUM 6.5
CVE-2021-46179

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

Fix: 4.0.0+
Fix from $1,600 2023-08-22
Upx HIGH 7.5
CVE-2021-43311

A heap-based buffer overflow was discovered in upx, during the generic pointer 'p' points to an inaccessible address in func get_le32(). The problem …

Fix: 4.0.0+
Fix from $1,950 2023-03-24
Upx HIGH 7.5
CVE-2021-43312

A heap-based buffer overflow was discovered in upx, during the variable 'bucket' points to an inaccessible address. The issue is being triggered in t…

Fix: 4.0.0+
Fix from $1,950 2023-03-24
Upx HIGH 7.5
CVE-2021-43313

A heap-based buffer overflow was discovered in upx, during the variable 'bucket' points to an inaccessible address. The issue is being triggered in t…

Fix: 4.0.0+
Fix from $1,950 2023-03-24
Upx HIGH 7.5
CVE-2021-43314

A heap-based buffer overflows was discovered in upx, during the generic pointer 'p' points to an inaccessible address in func get_le32(). The problem…

Fix: 4.0.0+
Fix from $1,950 2023-03-24
Upx HIGH 7.5
CVE-2021-43315

A heap-based buffer overflows was discovered in upx, during the generic pointer 'p' points to an inaccessible address in func get_le32(). The problem…

Fix: 4.0.0+
Fix from $1,950 2023-03-24
Upx HIGH 7.5
CVE-2021-43316

A heap-based buffer overflow was discovered in upx, during the generic pointer 'p' points to an inaccessible address in func get_le64().

Fix: 4.0.0+
Fix from $1,950 2023-03-24
Upx HIGH 7.5
CVE-2021-43317

A heap-based buffer overflows was discovered in upx, during the generic pointer 'p' points to an inaccessible address in func get_le32(). The problem…

Fix: 4.0.0+
Fix from $1,950 2023-03-24
Upx HIGH 7.8
CVE-2020-27796

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.

No fix yet
Fix from $1,950 2022-08-25
Upx HIGH 7.8
CVE-2020-27799

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.

No fix yet
Fix from $1,950 2022-08-25
Upx HIGH 7.8
CVE-2020-27800

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.

No fix yet
Fix from $1,950 2022-08-25
Upx HIGH 7.8
CVE-2020-27801

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.

No fix yet
Fix from $1,950 2022-08-25
Upx MEDIUM 5.5
CVE-2020-27797

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.

No fix yet
Fix from $1,600 2022-08-25
Upx MEDIUM 5.5
CVE-2020-27798

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.

No fix yet
Fix from $1,600 2022-08-25
Upx MEDIUM 5.5
CVE-2020-27802

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.

No fix yet
Fix from $1,600 2022-08-25
Upx MEDIUM 5.5
CVE-2020-27788

An out-of-bounds read access vulnerability was discovered in UPX in PackLinuxElf64::canPack() function of p_lx_elf.cpp file. An attacker with a craft…

Fix: 3.96+
Fix from $1,600 2022-08-18
Upx MEDIUM 5.5
CVE-2020-27787

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 invalid memory a…

Fix: 3.96+
Fix from $1,600 2022-08-18
Upx MEDIUM 5.5
CVE-2020-27790

A floating point exception issue was discovered in UPX in PackLinuxElf64::invert_pt_dynamic() function of p_lx_elf.cpp file. An attacker with a craft…

Fix: 3.96+
Fix from $1,600 2022-08-18
Upx MEDIUM 6.6
CVE-2021-20285

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 overflow and app…

No fix yet
Fix from $1,600 2021-03-26
Upx MEDIUM 5.5
CVE-2019-20805

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

Fix: 3.96+
Fix from $1,600 2020-06-01
Upx MEDIUM 5.5
CVE-2019-20053

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.

No fix yet
Fix from $1,600 2019-12-27
Upx HIGH 7.8
CVE-2019-14296

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) or possib…

Patch available
Fix from $1,950 2019-07-27
Upx MEDIUM 5.5
CVE-2019-14295

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) via a ske…

Patch available
Fix from $1,600 2019-07-27
Upx HIGH 7.8
CVE-2018-11243

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 a malware…

No fix yet
Fix from $1,950 2018-05-18
Upx HIGH 7.8
CVE-2017-16869

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 unspecifie…

Mitigation only
Fix from $1,950 2017-11-17
Upx HIGH 7.8
CVE-2017-15056

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 have unsp…

Patch available
Fix from $1,950 2017-10-06