High [CVE-2022-50999] Integer overflow in libxml2 leads to information disclosure, data modification, or denial of service
This high-severity Red Hat Linux advisory covers CVE-2022-50999.
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Summary
Nokogiri versions before 1.13.5 contain an integer overflow vulnerability in packaged libxml2 buffer handling functions that allows attackers to cause out-of-bounds memory writes. Attackers can exploit this by crafting multi-gigabyte XML files to trigger buffer overflows resulting in information disclosure, data modification, or denial of service.
A flaw was found in Nokogiri. The integer overflow in the bundled libxml2 library allows an attacker to cause out-of-bounds memory writes, potentially compromising system integrity or availability.
Red Hat severity: Important — CVSS 7 (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H). Weakness: CWE-787.
Red Hat lists Red Hat 3scale API Management Platform 2; Red Hat Hardened Images; Red Hat Satellite 6 as not affected.
- < 1.13.5
Official advisory · high-confidence parse· fetched 13 days ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · high-confidence parse· fetched 13 days ago·verify at source
Mitigation checklist
- Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
Official advisory · high-confidence parse· fetched 13 days ago·verify at source
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