Home/CVE/7-Zip is a file archiver with a high compression ratio. 7-Zip supports extracting from Compound Documents. Prior to vers
CVE

CVE-2025-53817

7-Zip is a file archiver with a high compression ratio. 7-Zip supports extracting from Compound Documents. Prior to vers

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.

HIGH · CVSS 7.5 EPSS 0.00368
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules1 YARA rules0
⬡

Weakness Classification

CWE-476NULL Pointer Dereference
▤

Affected Products & Versions

1
7-zip< 25.00
⚠

Public Exploits & PoCs

1
pocsecuritylab.github.com · GHSL-2025-059_7-Zipsecuritylab.github.com
◈

Sigma Hunt Rules

1
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumCompress Data and Lock With Password for Exfiltration With 7-ZIP
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · security-advisories@github.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD17 Jul 2025 · 07:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

4
suse-csafopenSUSE-SU-2026:20273-1
suse-csafSUSE-SU-2026:20592-1
suse-csafSUSE-SU-2025:3791-1
suse-csafopenSUSE-SU-2025:15523-1
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.openwall.com/lists/oss-security/2025/07/18/2ExploitMailing List
http://www.openwall.com/lists/oss-security/2025/07/18/2
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