CVE-2026-40036
גבוהה 7.5
תיאור (מקור, אנגלית)
Unfurl before 2026.04 contains an unbounded zlib decompression vulnerability in parse_compressed.py that allows remote attackers to cause denial of service. Attackers can submit highly compressed payloads via URL parameters to the /json/visjs endpoint that expand to gigabytes, exhausting server memory and crashing the service.
מדדים
- CVSS 3.1
-
7.5 (HIGH)
מקור הציון: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 4.0
-
8.7 (HIGH)
מקור הציון: CNA
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - EPSS — סבירות ניצול
- 1% (אחוזון 000) נכון ל-28/7/2026
- CWE
- CWE-409, CWE-770
מוצרים מושפעים
ryandfir: unfurl
קישורים
- https://github.com/obsidianforensics/unfurl/security/advisories/GHSA-h5qv-qjv4… ExploitVendor Advisory
- https://github.com/obsidianforensics/unfurl/releases/tag/v2026.04 Release Notes
- https://www.vulncheck.com/advisories/dfir-unfurl-denial-of-service-via-unbound… Third Party Advisory