Medium [CVE-2026-70368] Stack-based out-of-bounds read/write in stunnel s_vlog via oversized log message
This medium-severity Red Hat Linux advisory covers CVE-2026-70368; 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
Stack-based out-of-bounds read/write in stunnel s_vlog via oversized log message. Red Hat rates this moderate (CVSS 6.5).
Weakness: CWE-125.
Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9.
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 2 months 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 2 months ago·verify at source
Mitigation checklist
- To mitigate this issue, avoid exposing stunnel services to untrusted clients. Restrict access to these services to trusted networks only.
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
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