PT-2026-81335 · Git+4 · Libxml2+2
CVE-2021-47996
·
Published
2021-05-17
·
Updated
2026-08-30
CVSS v4.0
8.7
High
| Vector | 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 |
🚨 HIGH severity CVE-2021-47996 (CVSS 7.5)
Nokogiri <1[.]11[.]4 bundles vulnerable libxml2 with multiple flaws: memory leak, buffer overflow, out-of-bounds read. Crafted XML → DoS, info disclosure, memory corruption.
Update immediately.
#CVE #PatchNow https://t.co/YmOv6OBf5F
Fix
DoS
Buffer Overflow
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Weakness Enumeration
Related Identifiers
Affected Products
Libxml2
Nokogiri
Ruby-Nokogiri