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8.7
HIGH CVSS 4.0
CVE-2025-30160
Redlib allows a Denial of Service via DEFLATE Decompression Bomb in restore_preferences Form
Description

Redlib is an alternative private front-end to Reddit. A vulnerability has been identified in Redlib where an attacker can cause a denial-of-service (DOS) condition by submitting a specially crafted base2048-encoded DEFLATE decompression bomb to the restore_preferences form. This leads to excessive memory consumption and potential system instability, which can be exploited to disrupt Redlib instances. This vulnerability is fixed in 0.36.0.

INFO

Published Date :

March 20, 2025, 7:15 p.m.

Last Modified :

Feb. 3, 2026, 4:47 p.m.

Remotely Exploit :

Yes !

Source :

[email protected]
Affected Products

The following products are affected by CVE-2025-30160 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.

ID Vendor Product Action
1 Redlib redlib
: Total Affected Vendor : 1 | Products : 1
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH [email protected]
CVSS 4.0 HIGH [email protected]
Solution
Update Redlib to version 0.36.0 to fix a denial-of-service vulnerability.
  • Update Redlib to version 0.36.0.
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-2025-30160.

URL Resource
https://github.com/redlib-org/redlib/commit/15147cea8e42f6569a11603d661d71122f6a02dc Patch
https://github.com/redlib-org/redlib/commit/2e95e1fc6e2064ccfae87964b4860bda55eddb9a Patch
https://github.com/redlib-org/redlib/security/advisories/GHSA-g8vq-v3mg-7mrg Patch Vendor Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-30160 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-2025-30160 weaknesses.

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-2025-30160 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2025-30160 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.

  • Initial Analysis by [email protected]

    Feb. 03, 2026

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Added CPE Configuration OR *cpe:2.3:a:redlib:redlib:*:*:*:*:*:*:*:* versions up to (excluding) 0.36.0
    Added Reference Type GitHub, Inc.: https://github.com/redlib-org/redlib/commit/15147cea8e42f6569a11603d661d71122f6a02dc Types: Patch
    Added Reference Type GitHub, Inc.: https://github.com/redlib-org/redlib/commit/2e95e1fc6e2064ccfae87964b4860bda55eddb9a Types: Patch
    Added Reference Type GitHub, Inc.: https://github.com/redlib-org/redlib/security/advisories/GHSA-g8vq-v3mg-7mrg Types: Patch, Vendor Advisory
  • New CVE Received by [email protected]

    Mar. 20, 2025

    Action Type Old Value New Value
    Added Description Redlib is an alternative private front-end to Reddit. A vulnerability has been identified in Redlib where an attacker can cause a denial-of-service (DOS) condition by submitting a specially crafted base2048-encoded DEFLATE decompression bomb to the restore_preferences form. This leads to excessive memory consumption and potential system instability, which can be exploited to disrupt Redlib instances. This vulnerability is fixed in 0.36.0.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/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-400
    Added CWE CWE-502
    Added Reference https://github.com/redlib-org/redlib/commit/15147cea8e42f6569a11603d661d71122f6a02dc
    Added Reference https://github.com/redlib-org/redlib/commit/2e95e1fc6e2064ccfae87964b4860bda55eddb9a
    Added Reference https://github.com/redlib-org/redlib/security/advisories/GHSA-g8vq-v3mg-7mrg
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 8.7
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Base CVSS Score: 7.5
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact