MEDIUM CWE-476
CVE-2025-53817
GHSL-2025-059 - 7-Zip - Null pointer array write attempt in NArchive::NCom::CHandler::GetStream
Ipavlov·7-Zip
5.5/ 10
CVSS 4.0
Medium severity
0.71%
EPSS exploit odds
Chance of exploitation in the next 30 days
Higher than 54% of all CVEs
Not listed
CISA KEV catalog
No confirmed in-the-wild exploitation on CISA's list.
Timeline
- Published
- Jul 17, 2025
- Updated
- Nov 4, 2025
- First covered
- Jul 3, 2026
- Latest story
- 4 months ago
Summary
7-Zip is a file archiver with a high compression ratio. 7-Zip supports extracting from Compound Documents. Prior to version 25.0.0, a null pointer dereference in the Compound handler may lead to denial of service. Version 25.0.0 contains a fix cor the issue.
CWE-476NULL Pointer Dereference
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