Browse CVEs

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… Upx after 5.0.0 Fix from $1,6002025-03-27 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. Upx 4.0.0+ Fix from $1,6002023-08-22 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 … Upx 4.0.0+ Fix from $1,9502023-03-24 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… Upx 4.0.0+ Fix from $1,9502023-03-24 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… Upx 4.0.0+ Fix from $1,9502023-03-24 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… Upx 4.0.0+ Fix from $1,9502023-03-24 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… Upx 4.0.0+ Fix from $1,9502023-03-24 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(). Upx 4.0.0+ Fix from $1,9502023-03-24 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… Upx 4.0.0+ Fix from $1,9502023-03-24 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. Upx No fix yet Fix from $1,9502022-08-25 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. Upx No fix yet Fix from $1,9502022-08-25 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. Upx No fix yet Fix from $1,9502022-08-25 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. Upx No fix yet Fix from $1,9502022-08-25 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. Upx No fix yet Fix from $1,6002022-08-25 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. Upx No fix yet Fix from $1,6002022-08-25 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. Upx No fix yet Fix from $1,6002022-08-25 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… Upx 3.96+ Fix from $1,6002022-08-18 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… Upx 3.96+ Fix from $1,6002022-08-18 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… Upx 3.96+ Fix from $1,6002022-08-18 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… Upx No fix yet Fix from $1,6002021-03-26 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. Upx 3.96+ Fix from $1,6002020-06-01 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. Upx No fix yet Fix from $1,6002019-12-27 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… Upx Patch available Fix from $1,9502019-07-27 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… Upx Patch available Fix from $1,6002019-07-27 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… Upx No fix yet Fix from $1,9502018-05-18 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… Upx Mitigation only Fix from $1,9502017-11-17 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… Upx Patch available Fix from $1,9502017-10-06