Upx
by Upx
Source repositories
CVEs (35)
| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2018-11243 | Hig | 0.51 | 7.8 | 0.03 | May 18, 2018 | 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 scanner to operate on the entire original data, or possibly have unspecified other impact via a crafted file. | ||
| CVE-2017-16869 | Hig | 0.51 | 7.8 | 0.01 | Nov 17, 2017 | 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… | ||
| CVE-2017-15056 | Hig | 0.51 | 7.8 | 0.01 | Oct 6, 2017 | 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-2025-2849 | 0.00 | — | 0.00 | Mar 27, 2025 | 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… | |||
| CVE-2024-3209 | 0.00 | — | 0.01 | Apr 2, 2024 | 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… | |||
| CVE-2021-46179 | 0.00 | — | 0.00 | Aug 22, 2023 | 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. | |||
| CVE-2021-43313 | 0.00 | — | 0.01 | Mar 24, 2023 | A heap-based buffer overflow was discovered in upx, during the variable 'bucket' points to an inaccessible address. The issue is being triggered in the function PackLinuxElf32::invert_pt_dynamic at p_lx_elf.cpp:1688. | |||
| CVE-2021-43315 | 0.00 | — | 0.01 | Mar 24, 2023 | 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 is essentially caused in PackLinuxElf32::elf_lookup() at p_lx_elf.cpp:5349 | |||
| CVE-2021-43312 | 0.00 | — | 0.01 | Mar 24, 2023 | A heap-based buffer overflow was discovered in upx, during the variable 'bucket' points to an inaccessible address. The issue is being triggered in the function PackLinuxElf64::invert_pt_dynamic at p_lx_elf.cpp:5239. | |||
| CVE-2021-43317 | 0.00 | — | 0.01 | Mar 24, 2023 | 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 is essentially caused in PackLinuxElf64::elf_lookup() at p_lx_elf.cpp:5404 | |||
| CVE-2021-43316 | 0.00 | — | 0.01 | Mar 24, 2023 | A heap-based buffer overflow was discovered in upx, during the generic pointer 'p' points to an inaccessible address in func get_le64(). | |||
| CVE-2021-43314 | 0.00 | — | 0.01 | Mar 24, 2023 | 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 is essentially caused in PackLinuxElf32::elf_lookup() at p_lx_elf.cpp:5368 | |||
| CVE-2021-43311 | 0.00 | — | 0.01 | Mar 24, 2023 | 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-2023-23456 | 0.00 | — | 0.00 | Jan 12, 2023 | 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 denial of service (abort) via a crafted file. | |||
| CVE-2023-23457 | 0.00 | — | 0.00 | Jan 12, 2023 | 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-2020-27802 | 0.00 | — | 0.00 | Aug 25, 2022 | 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-2020-27801 | 0.00 | — | 0.00 | Aug 25, 2022 | 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-2020-27800 | 0.00 | — | 0.00 | Aug 25, 2022 | 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-2020-27799 | 0.00 | — | 0.00 | Aug 25, 2022 | 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-2020-27798 | 0.00 | — | 0.00 | Aug 25, 2022 | 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. |
- risk 0.51cvss 7.8epss 0.03
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 scanner to operate on the entire original data, or possibly have unspecified other impact via a crafted file.
- risk 0.51cvss 7.8epss 0.01
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…
- risk 0.51cvss 7.8epss 0.01
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-2025-2849Mar 27, 2025risk 0.00cvss —epss 0.00
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…
- CVE-2024-3209Apr 2, 2024risk 0.00cvss —epss 0.01
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…
- CVE-2021-46179Aug 22, 2023risk 0.00cvss —epss 0.00
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.
- CVE-2021-43313Mar 24, 2023risk 0.00cvss —epss 0.01
A heap-based buffer overflow was discovered in upx, during the variable 'bucket' points to an inaccessible address. The issue is being triggered in the function PackLinuxElf32::invert_pt_dynamic at p_lx_elf.cpp:1688.
- CVE-2021-43315Mar 24, 2023risk 0.00cvss —epss 0.01
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 is essentially caused in PackLinuxElf32::elf_lookup() at p_lx_elf.cpp:5349
- CVE-2021-43312Mar 24, 2023risk 0.00cvss —epss 0.01
A heap-based buffer overflow was discovered in upx, during the variable 'bucket' points to an inaccessible address. The issue is being triggered in the function PackLinuxElf64::invert_pt_dynamic at p_lx_elf.cpp:5239.
- CVE-2021-43317Mar 24, 2023risk 0.00cvss —epss 0.01
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 is essentially caused in PackLinuxElf64::elf_lookup() at p_lx_elf.cpp:5404
- CVE-2021-43316Mar 24, 2023risk 0.00cvss —epss 0.01
A heap-based buffer overflow was discovered in upx, during the generic pointer 'p' points to an inaccessible address in func get_le64().
- CVE-2021-43314Mar 24, 2023risk 0.00cvss —epss 0.01
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 is essentially caused in PackLinuxElf32::elf_lookup() at p_lx_elf.cpp:5368
- CVE-2021-43311Mar 24, 2023risk 0.00cvss —epss 0.01
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-2023-23456Jan 12, 2023risk 0.00cvss —epss 0.00
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 denial of service (abort) via a crafted file.
- CVE-2023-23457Jan 12, 2023risk 0.00cvss —epss 0.00
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-2020-27802Aug 25, 2022risk 0.00cvss —epss 0.00
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-2020-27801Aug 25, 2022risk 0.00cvss —epss 0.00
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-2020-27800Aug 25, 2022risk 0.00cvss —epss 0.00
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-2020-27799Aug 25, 2022risk 0.00cvss —epss 0.00
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-2020-27798Aug 25, 2022risk 0.00cvss —epss 0.00
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.
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