CVE-2026-43970
high
CVSS v3
—
CVSS v2
—
VIR risk
8.0
Description
cowlib: Decompression Bomb in cow_spdy:inflate/2 Allows Memory Exhaustion via Crafted SPDY Frame
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2026-43970
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | affected | |
| debian | bullseye | affected | |
| debian | forky | affected | |
| debian | sid | affected | |
| debian | trixie | affected | |
References
- https://cna.erlef.org/cves/CVE-2026-43970.html
- https://github.com/ninenines/cowlib/commit/16aad3fb9f81f5cda4d1706ff0c54237c619c282
- https://osv.dev/vulnerability/EEF-CVE-2026-43970
- https://security-tracker.debian.org/tracker/CVE-2026-43970
- https://hex.pm/packages/cowlib
- https://nvd.nist.gov/vuln/detail/CVE-2026-43970
- https://github.com/ninenines/cowlib
- https://github.com/advisories/GHSA-84f2-rp86-235p
CWEs
CWE-409
Verify integrity in audit chain (admin only). AS-IS.