MEDIUM CWE-122
CVE-2025-53816
GHSL-2025-058 - 7-Zip Multi-byte write heap buffer overflow in NCompress::NRar5::CDecoder
Ipavlov·7-Zip
5.5/ 10
CVSS 4.0
Medium severity
0.73%
EPSS exploit odds
Chance of exploitation in the next 30 days
Higher than 55% of all CVEs
Not listed
CISA KEV catalog
No confirmed in-the-wild exploitation on CISA's list.
Timeline
- Published
- Jul 17, 2025
- Updated
- May 11, 2026
- First covered
- Jul 3, 2026
- Latest story
- 4 months ago
Summary
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.
CWE-122Heap-based Buffer Overflow
Attack profile
Attack vectorLocal
ComplexityLow
RequirementsNone
PrivilegesNone
User interactionNone
ConfidentialityNone
IntegrityNone
AvailabilityHigh
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:PAffected products
- Ipavlov 7-Zip< 25.0.0