UPX 3.94

CPE Details

UPX 3.94
3.94
2025-04-11
10h27 +00:00
2025-04-11
10h27 +00:00
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CPE Name: cpe:2.3:a:upx:upx:3.94:*:*:*:*:*:*:*

Informations

Vendor

upx

Product

upx

Version

3.94

Related CVE

Open and find in CVE List

CVE ID Published Description Score Severity
CVE-2025-2849 2025-03-27 13h31 +00:00 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 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.
4.8
Medium
CVE-2024-3209 2024-04-02 23h00 +00:00 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.
9.8
Critical
CVE-2021-46179 2023-08-21 22h00 +00:00 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.
6.5
Medium
CVE-2021-43311 2023-03-24 00h00 +00:00 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.
7.5
High
CVE-2021-43312 2023-03-24 00h00 +00:00 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.
7.5
High
CVE-2021-43313 2023-03-24 00h00 +00:00 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.
7.5
High
CVE-2021-43314 2023-03-24 00h00 +00:00 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
7.5
High
CVE-2021-43315 2023-03-24 00h00 +00:00 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
7.5
High
CVE-2021-43316 2023-03-24 00h00 +00:00 A heap-based buffer overflow was discovered in upx, during the generic pointer 'p' points to an inaccessible address in func get_le64().
7.5
High
CVE-2021-43317 2023-03-24 00h00 +00:00 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
7.5
High
CVE-2023-23457 2023-01-12 00h00 +00:00 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.
5.5
Medium
CVE-2023-23456 2023-01-11 23h00 +00:00 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.
5.5
Medium
CVE-2020-27788 2022-08-18 17h05 +00:00 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 crafted input file could trigger this issue that could cause a crash leading to a denial of service.
5.5
Medium
CVE-2020-27790 2022-08-18 16h57 +00:00 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.
5.5
Medium
CVE-2020-27787 2022-08-18 16h34 +00:00 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.
5.5
Medium
CVE-2019-20805 2020-06-01 11h50 +00:00 p_lx_elf.cpp in UPX before 3.96 has an integer overflow during unpacking via crafted values in a PT_DYNAMIC segment.
5.5
Medium
CVE-2017-16869 2017-11-17 08h00 +00:00 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.
7.8
High
CVE-2017-15056 2017-10-06 05h00 +00:00 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().
7.8
High