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)
EPSS: 0.005 (41.9th percentile) — read the EPSS interpretation.
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.
Affected products
- Redlib
- Redlib-org Redlib — versions < 0.36.0
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Patch, x_refsource_MISC)
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.