CVE-2026-43970

unknowncovered by 1 sourcefirst seen 2026-08-06

CSIRTS triage

What: A decompression bomb vulnerability in cow_spdy's SPDY frame inflation allows memory exhaustion via malformed frames.
Who is affected: Applications using cow_spdy library to process untrusted SPDY frames.
Urgency: High priority; memory exhaustion denial-of-service can crash applications processing hostile input.
Action: Update cow_spdy library to patched version with decompression size limits.

AI-assisted analysis generated from the source advisory — verify against the original.

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Low exploitation risk0.51% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 41% of all EPSS-scored CVEs.

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