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High ELSA-2026-604898 38 CVEs

Important: python-oci-sdk security update (Oracle Linux 9)

Published Oct 21, 2026 · Updated Oct 21, 2026

Summary

[2.187.0-1.0.5]
- Fix multiple CVEs in pyjwt, aiohttp, pyOpenSSL, multidict

Fixed packages 2

ReleasePackageFixed in
Oracle Linux · 9 python39-oci-sdk 0:2.187.0-1.0.5.el9
Oracle Linux · 9 python39-oci-sdk-docs 0:2.187.0-1.0.5.el9

Vulnerabilities 38

  • High 8.2

    aiohttp server lacks an initial request/header timeout

    AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.4, keepalive timeout handling is absent during the initial portion of a request. An attacker can keep an idle connection open indefinitely before sending any request…

  • High 8.2

    AIOHTTP: File descriptor exhaustion in multipart requests

    AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. From 2.0.0 until 3.14.4, multipart request processing can retain an unbounded number of open file descriptors. An unauthenticated attacker can consequently exhaust file descriptor…

  • High 7.5

    AIOHTTP's HTTP Parser auto_decompress feature is vulnerable to zip bomb

    AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Versions 3.13.2 and below allow a zip bomb to be used to execute a DoS against the AIOHTTP server. An attacker may be able to send a compressed request that when decompressed by A…

  • High 7.1

    AIOHTTP: Out-of-bounds heap read in C HTTP response parser error path (malformed chunked response)

    AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.3, an out-of-bounds heap read could occur in the C response parser while building an error message for a malformed response. An attacker controlled server, or possib…

  • Medium 6.9

    AIOHTTP: Connector pool exhaustion via Max-Age overflow

    AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.4, Max-Age processing can overflow and skip closing a connection. An attacker can consequently exhaust the connection pool temporarily until garbage collection resol…

  • Medium 6.9

    AIOHTTP: Uncapped memory usage possible through aiohttp allowing unlimited trailer headers

    AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, insufficient restrictions in header/trailer handling could cause uncapped memory usage. This issue has been patched in version 3.13.4.

  • Medium 6.9

    AIOHTTP: WebSocket client accepts compressed frames without negotiated permessage-deflate

    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 ser…

  • Medium 6.6

    AIOHTTP vulnerable to DoS when bypassing asserts

    AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Versions 3.13.2 and below allow for an infinite loop to occur when assert statements are bypassed, resulting in a DoS attack when processing a POST body. If optimizations are enab…

  • Medium 6.6

    AIOHTTP vulnerable to denial of service through large payloads

    AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Versions 3.13.2 and below allow a request to be crafted in such a way that an AIOHTTP server's memory fills up uncontrollably during processing. If an application includes a handl…

  • Medium 6.6

    AIOHTTP vulnerable to DoS through chunked messages

    AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. In versions 3.13.2 and below, handling of chunked messages can result in excessive blocking CPU usage when receiving a large number of chunks. If an application makes use of the r…

  • Medium 6.6

    AIOHTTP: Multipart Header Size Bypass

    AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, a response with an excessive number of multipart headers may be allowed to use more memory than intended, potentially allowing a DoS vulnerability. This i…

  • Medium 6.6

    AIOHTTP vulnerable to cross-origin redirect with per-request cookies

    AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.14.0, cookies set with the `cookies` parameter on requests are sent after following a cross-origin redirect. If a developer uses the `cookies` parameter on a pe…

  • Medium 6.6

    AIOHTTP: HTTP/1 Pipelined Requests Queue Without Limit

    AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.1, no limit was present on the number of pipelined requests that could be queued. An attacker may be able to use pipelined requests to use excessive amounts of memor…

  • Medium 6.6

    AIOHTTP: Incomplete websocket frame payloads bypass memory limits

    AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.1, if an attacker sends large incomplete websocket frame payloads, it may be possible to bypass the usual size limits on memory use. This vulnerability is fixed in 3…

  • Medium 6.6

    AIOHTTP: C HTTP Parser Bypasses max_line_size for Fragmented Lines

    AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.1, it is possible to bypass the max_line_size check in parts of an HTTP request in the C parser. If using the optimised C parser (the default in pre-built wheels), t…

  • Medium 6.6

    AIOHTTP: Unread Compressed Request Bodies Bypass client_max_size During Cleanup

    AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.1, during cleanup it is possible for a compressed request body to be decompressed into memory in one chunk. An attacker may be able to send a compressed payload in s…

  • Medium 6.4

    AIOHTTP Vulnerable to Deserialization of Untrusted Data

    AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.14.0, using ``CookieJar.load()`` with untrusted input may allow arbitrary code execution. Most applications using this function will be doing so with the user's…

  • Medium 6.3

    AIOHTTP's Unicode processing of header values could cause parsing discrepancies

    AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Versions 3.13.2 and below of the Python HTTP parser may allow a request smuggling attack with the presence of non-ASCII characters. If a pure Python version of AIOHTTP is installe…

  • Medium 6.3

    AIOHTTP allows for a brute-force leak of internal static filepath components

    AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Versions 3.13.2 and below enable an attacker to ascertain the existence of absolute path components through the path normalization logic for static files meant to prevent path tra…

  • Medium 6.3

    AIOHTTP: Secure attribute not enforced for shared cookie

    AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.4, the Secure attribute for a shared cookie is not enforced. An attacker can consequently cause a shared cookie marked Secure to be sent with an unencrypted request.…

  • Medium 6.3

    AIOHTTP: Absolute-form request targets can spoof Request.scheme

    AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.4, an attacker can send an absolute-form request that causes Request.scheme to use attacker-controlled request-target scheme data instead of the connection protocol.…

  • Medium 6.3

    AIOHTTP: Pure-Python parser request smuggling

    AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.4, the pure Python parser accepts ambiguous HTTP request framing. An unauthenticated attacker can consequently smuggle requests when an application uses AIOHTTP_NO_E…

  • Medium 6.3

    AIOHTTP: Duplicate Host header accepted

    AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, multiple Host headers were allowed in aiohttp. This issue has been patched in version 3.13.4.

  • Medium 6.3
    CVE-2026-69243 Public exploit

    AIOHTTP: HTTP request smuggling via WebSocket upgrade

    AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.2, the HTTP parsers were vulnerable to a request smuggling attack relating to WebSocket upgrades. If using the server-side component, an attacker may be able to exec…

  • Medium 5.3

    Multidict: Reference leak in CIMultiDict/MultiDict items-view union and subtraction

    Multidict is an implementation of a multidict data structure. From 6.7.0 until 6.9.1, the C extension's items-view reflected union operation, operand | d.items(), in multidict_itemsview_or2_impl and subtraction operation, d.items() - operand, in multidict_ite…

  • Low 2.7

    AIOHTTP Regex Mismatch Allows Unicode in ASCII-Only Protocol Fields

    AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Versions 3.13.2 and below contain parser logic which allows non-ASCII decimals to be present in the Range header. There is no known impact, but there is the possibility that there…

  • Low 2.7

    AIOHTTP: Denial of Service (DoS) via Unbounded DNS Cache in TCPConnector

    AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, an unbounded DNS cache could result in excessive memory usage possibly resulting in a DoS situation. This issue has been patched in version 3.13.4.

  • Low 2.7

    AIOHTTP: CRLF injection in multipart part content type header construction

    AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, an attacker who controls the content_type parameter in aiohttp could use this to inject extra headers or similar exploits. This issue has been patched in …

  • Low 2.7

    AIOHTTP: Late size enforcement for non-file multipart fields causes memory DoS

    AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, for some multipart form fields, aiohttp read the entire field into memory before checking client_max_size. This issue has been patched in version 3.13.4.

  • Low 2.7

    AIOHTTP: Cookie and Proxy-Authorization headers leaked on cross-origin redirect

    AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, when following redirects to a different origin, aiohttp drops the Authorization header, but retains the Cookie and Proxy-Authorization headers. This issue…

  • Low 2.7

    AIOHTTP: HTTP response splitting via \r in reason phrase

    AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, an attacker who controls the reason parameter when creating a Response may be able to inject extra headers or similar exploits. This issue has been patche…

  • Low 2.7

    AIOHTTP: C parser (llhttp) accepts null bytes and control characters in response header values - header injection / security bypass

    AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, the C parser (the default for most installs) accepted null bytes and control characters in response headers. This issue has been patched in version 3.13.4.

  • Low 2.7

    AIOHTTP: CRLF injection in multipart headers

    AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.0, attacker-controlled input included into multipart/payload headers can be used to modify a request to inject additional headers or similar. In the unlikely situati…

  • Low 2.7

    AIOHTTP: TLS Server Hostname Override Is Ignored When Reusing HTTPS Connections

    AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.1, the server_hostname TLS SNI check can be bypassed when an existing connection is reused. If an application makes multiple requests to the same domain, but with di…

  • Low 2.3

    AIOHTTP: Cookie from subdomain can remove Host-Only Scope from existing cookies

    AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.4, Host-Only scope on an existing parent-domain cookie can be removed by a subdomain. A user who accesses an untrusted subdomain can consequently have host-only prot…

  • Low 1.7

    AIOHTTP is vulnerable to HTTP Request/Response Smuggling through incorrect parsing of chunked trailer sections

    AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.12.14, the Python parser is vulnerable to a request smuggling vulnerability due to not parsing trailer sections of an HTTP request. If a pure Python version of …

  • Low 1.7

    pyOpenSSL allows TLS connection bypass via unhandled callback exception in set_tlsext_servername_callback

    pyOpenSSL is a Python wrapper around the OpenSSL library. Starting in version 0.14.0 and prior to version 26.0.0, if a user provided callback to `set_tlsext_servername_callback` raised an unhandled exception, this would result in a connection being accepted. …

  • Low 1.3

    AIOHTTP: Host-Only Cookies Become Domain Cookies After CookieJar Persistence

    AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.1, host-only cookies that are saved with CookieJar.save() and then restored later with CookieJar.load() lose their host-only status. This vulnerability is fixed in 3…