CVE-2026-79771: Missing Release of Memory after Effective Lifetime in sparklemotion nokogiri
Nokogiri versions before 1.19.3 contain a memory leak in the XSLT Stylesheet transform method when processing Ruby strings containing null bytes. Attackers can exploit this by passing attacker-controlled input with null bytes to transform parameters, causing heap allocations to leak and enabling denial of service against long-running processes.
CVE-2026-79771: Missing Release of Memory after Effective Lifetime in sparklemotion nokogiri
Description
Nokogiri versions before 1.19.3 contain a memory leak in the XSLT Stylesheet transform method when processing Ruby strings containing null bytes. Attackers can exploit this by passing attacker-controlled input with null bytes to transform parameters, causing heap allocations to leak and enabling denial of service against long-running processes.
CVSS v4.0
Score 6.9medium
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-08-25T14:29:43.528Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a8dba55acd9273b4965b684
Added to database: 08/25/2026, 15:52:53 UTC
Last updated: 08/25/2026, 18:36:25 UTC
Views: 5
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