What is CVE-2025-30160?

CVE-2025-30160 is a high-severity vulnerability in Redlib, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2025-03-20.

How severe is CVE-2025-30160?

High severity. CVSS v3 base score is 7.5 out of 10.

Deserialization in Redlib

CVE-2025-30160

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.

Vulnerability class: DoS (Denial of Service)

Published 2025-03-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.006 (45.0th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: +0.000

Affected products

Redlib
Redlib-Org Redlib — versions < 0.36.0

Weakness classification (CWE)

References

github.com/redlib-org/redlib/security/advisories/GHSA-g8vq-v3mg-7mrg (Patch, Vendor Advisory)
github.com/redlib-org/redlib/commit/15147cea8e42f6569a11603d661d71122f6a02dc (Patch)
github.com/redlib-org/redlib/commit/2e95e1fc6e2064ccfae87964b4860bda55eddb9a (Patch)

Frequently asked questions

What is CVE-2025-30160?: CVE-2025-30160 is a high-severity vulnerability in Redlib, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2025-03-20.
How severe is CVE-2025-30160?: High severity. CVSS v3 base score is 7.5 out of 10.