MEDIUMVulnerability
CVE-2026-77639
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.
Properties
- severity
- MEDIUM
- score
- 5.3
- epss_score
- 0.00246
- cve_id
- CVE-2026-77639
- vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- published_at
- 2026-08-20T21:17:11.233
- last_modified
- 2026-09-03T17:37:43.450
- epss_percentile
- 0.15805
Related Entities (3)
ENRICHED_BY (1)
→[Source]FIRST EPSS
HAS_WEAKNESS (1)
→[Weakness]Unprotected Alternate Channel
DESCRIBED_BY (1)
→[Source]NVD
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