VulnSocial

CVE-2026-77639General(torproject / tor)

LOWCVSS 5.3 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

Tor before 0.4.9.9 was prone to a compression bomb bypass where an attacker could concatenate many gzip or zlib sub-streams, each just under the per-stream detection threshold, to avoid the compression bomb check entirely. This is TROVE-2026-022.

torproject CVEsBack to dashboard
0.0/ 10 priority

Sources & remediation

Vendor / third-party advisories
Weakness type (CWE)
CWE-420

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • tor

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • General: 1 classified signal
  • 1 total mentions across 1 day

Affected systems

Vendors
torproject
Products
tor

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-08-20: 108-20
Signal classification1 categories
General
1100.0%
Referenced assets1 URL
By indicator
Full discourse1 post
  • Vulmon Vulnerability Feed@VulmonFeeds
    General

    CVE-2026-77639 Tor Compression Bomb Bypass Vulnerability (TROVE-2026-022) https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-77639

    Post summary

    The post merely lists CVE‑2026‑77639 with its name, providing no detailed information or actionable content.

    00000130
    4.1K followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Apptorprojecttor---

Explore more

Back to dashboardtorproject CVEstor vulnerabilities