CVE-2025-53816CWE-122

GHSL-2025-058 - 7-Zip Multi-byte write heap buffer overflow in NCompress::NRar5::CDecoder

Medium · published July 17, 2025

CVSS v4.0
5.5
EPSS
1%
Percentile
53.8
In the wild
Unconfirmed
What it is

7-Zip is a file archiver with a high compression ratio. Zeroes written outside heap buffer in RAR5 handler may lead to memory corruption and denial of service in versions of 7-Zip prior to 25.0.0. Version 25.0.0 contains a fix for the issue.

The record
Technical detail
CVSS v4.0
5.5 · MEDIUM
Vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P
EPSS
0.00733 · 53.8th percentile
Weakness
CWE-122 · Heap-based Buffer Overflow
Published
2025-07-17T18:09Z
EPSS history
Timeline
  • 17 JUL 18:09Z
    GHSL-2025-058 - 7-Zip Multi-byte write heap buffer overflow in NCompress::NRar5::CDecoder
    cvelistv5