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[pkg-vuln] CVE-2026-59881 in aiohttp@3.14.1 #601

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opened 2026-08-13 06:01:25 +00:00 by kert · 1 comment
kert commented 2026-08-13 06:01:25 +00:00
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Severity: MEDIUM
Package: aiohttp @ 3.14.1
Fixed in: 3.14.2

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.2, the WebSocket client accepts and decompresses frames with the RSV1 bit set even when the permessage-deflate extension was not negotiated, allowing a malicious server to cause unexpected CPU and memory consumption. This issue is fixed in version 3.14.2.

Reference: https://nvd.nist.gov/vuln/detail/CVE-2026-59881

**Severity:** MEDIUM **Package:** `aiohttp` @ `3.14.1` **Fixed in:** `3.14.2` AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.2, the WebSocket client accepts and decompresses frames with the RSV1 bit set even when the permessage-deflate extension was not negotiated, allowing a malicious server to cause unexpected CPU and memory consumption. This issue is fixed in version 3.14.2. **Reference:** https://nvd.nist.gov/vuln/detail/CVE-2026-59881
kert added this to the P21: Package Supply Chain — inventory, mirrors, drift, vuln scanning milestone 2026-08-13 06:01:25 +00:00
kert added the qualityci labels 2026-08-13 06:01:25 +00:00
kert commented 2026-08-13 23:42:54 +00:00
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Duplicate of #585 — filed by the supply-chain scanner against the pre-fix dependency set. The bump landed in 611a1d6 (aiohttp 3.14.3, pyasn1 0.6.4, cryptography 50.0.0; verified installed) with per-CVE exploitability rationale on the original issue. The next scheduled scan runs against the fixed lockfile.

Duplicate of #585 — filed by the supply-chain scanner against the pre-fix dependency set. The bump landed in 611a1d6 (aiohttp 3.14.3, pyasn1 0.6.4, cryptography 50.0.0; verified installed) with per-CVE exploitability rationale on the original issue. The next scheduled scan runs against the fixed lockfile.
kert closed this issue 2026-08-13 23:42:54 +00:00
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Reference: homelab/stack#601
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