Medium [CVE-2026-88340] Memory corruption and denial of service via specially crafted rule files
This medium-severity Red Hat Linux advisory covers CVE-2026-88340; related products: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9.
Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.
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Summary
Memory corruption and denial of service via specially crafted rule files. Red Hat rates this moderate (CVSS 5).
Weakness: CWE-763.
Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat package: yara.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · high-confidence parse· fetched 8 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 8 days ago·verify at source
Mitigation checklist
- To mitigate this issue, Red Hat customers should avoid processing YARA compiled rule files (`.yrc`) from untrusted or unverified sources. Ensure that YARA rules are only loaded from trusted locations and that any input files are validated before processing.
Official advisory · high-confidence parse· fetched 8 days ago·verify at source
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