Ppmd7.c in 7-Zip before 23.00 allows an integer underflow and invalid read operation via a crafted 7Z archive.
Max CVSS
7.8
EPSS Score
0.05%
Published
2023-11-03
Updated
2023-11-20
7-Zip through 21.07 on Windows allows privilege escalation and command execution when a file with the .7z extension is dragged to the Help>Contents area. This is caused by misconfiguration of 7z.dll and a heap overflow. The command runs in a child process under the 7zFM.exe process. NOTE: multiple third parties have reported that no privilege escalation can occur
Max CVSS
7.8
EPSS Score
0.14%
Published
2022-04-15
Updated
2024-04-11
Incorrect initialization logic of RAR decoder objects in 7-Zip 18.03 and before can lead to usage of uninitialized memory, allowing remote attackers to cause a denial of service (segmentation fault) or execute arbitrary code via a crafted RAR archive.
Max CVSS
7.8
EPSS Score
6.25%
Published
2018-05-02
Updated
2020-08-24
Insufficient exception handling in the method NCompress::NRar3::CDecoder::Code of 7-Zip before 18.00 and p7zip can lead to multiple memory corruptions within the PPMd code, allows remote attackers to cause a denial of service (segmentation fault) or execute arbitrary code via a crafted RAR archive.
Max CVSS
7.8
EPSS Score
1.86%
Published
2018-01-31
Updated
2019-10-03
Heap-based buffer overflow in the NCompress::NShrink::CDecoder::CodeReal method in 7-Zip before 18.00 and p7zip allows remote attackers to cause a denial of service (out-of-bounds write) or potentially execute arbitrary code via a crafted ZIP archive.
Max CVSS
7.8
EPSS Score
0.58%
Published
2018-01-30
Updated
2019-03-21
Heap-based buffer overflow in the NArchive::NHfs::CHandler::ExtractZlibFile method in 7zip before 16.00 and p7zip allows remote attackers to execute arbitrary code via a crafted HFS+ image.
Max CVSS
9.3
EPSS Score
0.84%
Published
2016-12-13
Updated
2017-12-03
Unspecified vulnerability in 7-zip before 4.5.7 has unknown impact and remote attack vectors, as demonstrated by the PROTOS GENOME test suite for Archive Formats (c10).
Max CVSS
10.0
EPSS Score
0.73%
Published
2009-03-30
Updated
2017-08-17
Stack consumption vulnerability in AkkyWareHOUSE 7-zip32.dll before 4.42.00.04, as derived from Igor Pavlov 7-Zip before 4.53 beta, allows user-assisted remote attackers to execute arbitrary code via a long filename in an archive, leading to a heap-based buffer overflow.
Max CVSS
6.8
EPSS Score
12.00%
Published
2007-09-05
Updated
2020-09-17
8 vulnerabilities found