CVE-2025-53816
7-Zip RAR5 Heap Buffer Overflow
Description
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.
INFO
Published Date :
July 17, 2025, 7:15 p.m.
Last Modified :
July 18, 2025, 7:15 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
Exploitability Score :
Affected Products
The following products are affected by CVE-2025-53816
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-53816.
| URL | Resource |
|---|---|
| https://securitylab.github.com/advisories/GHSL-2025-058_7-Zip/ | |
| https://www.openwall.com/lists/oss-security/2025/07/18/1 |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-53816 vulnerability anywhere in the article.
-
CybersecurityNews
New 7-Zip Vulnerability Enables Malicious RAR5 File to Crash Your System
A critical memory corruption vulnerability in the popular file archiver 7-Zip has been discovered that allows attackers to trigger denial of service conditions by crafting malicious RAR5 archive files ... Read more
-
Daily CyberSecurity
Two Vulnerabilities in 7-Zip Could Trigger Denial of Service
Researchers have disclosed two newly identified vulnerabilities in 7-Zip, one of the world’s most widely used open-source file archivers. Both issues—CVE-2025-53816 and CVE-2025-53817—affect versions ... Read more
The following table lists the changes that have been made to the
CVE-2025-53816 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
Jul. 18, 2025
Action Type Old Value New Value Added Reference https://www.openwall.com/lists/oss-security/2025/07/18/1 -
New CVE Received by [email protected]
Jul. 17, 2025
Action Type Old Value New Value Added Description 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. Added CVSS V4.0 AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CWE CWE-122 Added Reference https://securitylab.github.com/advisories/GHSL-2025-058_7-Zip/
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-53816 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-53816
weaknesses.