Filtered by vendor Upx Subscriptions
Filtered by product Upx Subscriptions
Total 35 CVE
CVE Vendors Products Updated CVSS v3.1
CVE-2024-3209 2 Fedoraproject, Upx 2 Fedora, Upx 2025-04-25 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. The manipulation leads to heap-based buffer overflow. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-259055. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
CVE-2017-15056 1 Upx 1 Upx 2025-04-20 N/A
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 unspecified other impact via a crafted binary file, as demonstrated by an Invalid Pointer Read in PackLinuxElf64::unpack().
CVE-2017-16869 1 Upx 1 Upx 2025-04-20 N/A
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 unspecified other impact via a crafted Mach-O file, related to canPack and unpack functions. NOTE: the vendor has stated "there is no security implication whatsoever.
CVE-2025-2849 1 Upx 1 Upx 2025-04-11 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 the file src/p_lx_elf.cpp. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used. The patch is identified as e0b6ff192412f5bb5364c1948f4f6b27a0cd5ea2. It is recommended to apply a patch to fix this issue.
CVE-2023-23457 2 Fedoraproject, Upx 2 Fedora, Upx 2025-04-11 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 invalid memory address access that could lead to a denial of service.
CVE-2019-20053 2 Opensuse, Upx 3 Backports, Leap, Upx 2025-04-11 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-2020-24119 2 Fedoraproject, Upx 2 Fedora, Upx 2025-04-11 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 1 Upx 1 Upx 2025-04-11 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 overflow and application crash) or possibly have unspecified other impacts via a crafted ELF. The highest threat from this vulnerability is to system availability.
CVE-2021-30500 3 Fedoraproject, Redhat, Upx 3 Fedora, Enterprise Linux, Upx 2025-04-11 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 arbitrary code and cause a denial of service via a crafted file.
CVE-2021-43311 1 Upx 1 Upx 2025-04-11 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(). The problem is essentially caused in PackLinuxElf32::elf_lookup() at p_lx_elf.cpp:5382.
CVE-2021-30501 3 Fedoraproject, Redhat, Upx 3 Fedora, Enterprise Linux, Upx 2025-04-11 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 service (abort) via a crafted file.
CVE-2020-27802 1 Upx 1 Upx 2025-04-11 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-2020-27797 1 Upx 1 Upx 2025-04-11 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 1 Upx 1 Upx 2025-04-11 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-2019-14296 1 Upx 1 Upx 2025-04-11 N/A
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 possibly have unspecified other impact via a crafted UPX packed file.
CVE-2019-14295 1 Upx 1 Upx 2025-04-11 N/A
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 skewed offset larger than the size of the PE section in a UPX packed executable, which triggers an allocation of excessive memory.
CVE-2020-27787 1 Upx 1 Upx 2025-04-11 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 invalid memory address access that could lead to a denial of service.
CVE-2019-20021 2 Fedoraproject, Upx 2 Fedora, Upx 2025-04-11 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-2020-27790 1 Upx 1 Upx 2025-04-11 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 with a crafted input file could trigger this issue that could cause a crash leading to a denial of service. The highest impact is to Availability.
CVE-2020-27799 1 Upx 1 Upx 2025-04-11 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.