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TI-2025-21499 Aliases CVE-2025-30160GHSA-g8vq-v3mg-7mrg

Redlib allows a Denial of Service via DEFLATE Decompression Bomb in restore_preferences Form

Priority MEDIUM 44CWE-400Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Denial of service, Code execution
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-400 and CWE-502.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00578 47th percentileScored 2026-11-07
Fix Fixed redlib (redlib-org): 0.36.0redlib (crates.io): 0.36.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
redlib-orgredlibbefore 0.36.00.36.0Patch availableCNA
—redlib (crates.io)before 0.36.00.36.0Patch availableGHSA-g8vq-v3mg-7mrg
  • redlib Vendorredlib-org Affected before 0.36.0 Fixed in 0.36.0 Patch available CNA
  • redlib (crates.io) Vendor— Affected before 0.36.0 Fixed in 0.36.0 Patch available GHSA-g8vq-v3mg-7mrg

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:redlib:redlib:*:*:*:*:*:*:*:*before 0.36.0VulnerableRedlib
  • cpe:2.3:a:redlib:redlib:*:*:*:*:*:*:*:* Versions before 0.36.0 Vulnerable ·Redlib

Remediation

  • Fix · CNA redlib (redlib-org) Fixed in 0.36.0
  • Fix · GHSA-g8vq-v3mg-7mrg redlib (crates.io) Fixed in 0.36.0 Advisory →

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-30160
  2. 2026-10-03 Alias added: GHSA-g8vq-v3mg-7mrg

References

Patch 3

Advisory 1

Other 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences