CVE-2026-49840 FreeSWITCH: Pre-authentication heap buffer overflow in libesl `Content-Length` parsing

FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implementation that runs on any commodity hardware. Prior to version 1.11.1, eslrecvevent parses Content-Length with atol and passes the result straight to malloclen ...

CVE-2026-49840

CVE-2026-49840 affects FreeSWITCH libesl before version 1.11.1. The flaw occurs in esl_recv_event(): Content-Length is parsed with atol() and the result is passed to malloc(len + 1) without sign or magnitude checks, allowing a pre-authentication, remote attacker to corrupt the heap or crash the p...

CVE-2026-49840

FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implementation that runs on any commodity hardware. Prior to version 1.11.1, eslrecvevent parses Content-Length with atol and passes the result straight to malloclen ...

CVE-2026-49840 FreeSWITCH: Pre-authentication heap buffer overflow in libesl `Content-Length` parsing

FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implementation that runs on any commodity hardware. Prior to version 1.11.1, eslrecvevent parses Content-Length with atol and passes the result straight to malloclen ...

EUVD-2026-35471

FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implementation that runs on any commodity hardware. Prior to version 1.11.1, eslrecvevent parses Content-Length with atol and passes the result straight to malloclen ...

CVE-2026-49840 FreeSWITCH: Pre-authentication heap buffer overflow in libesl `Content-Length` parsing

FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implementation that runs on any commodity hardware. Prior to version 1.11.1, eslrecvevent parses Content-Length with atol and passes the result straight to malloclen ...

PT-2026-47847

FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implementation that runs on any commodity hardware. Prior to version 1.11.1, esl recv event parses Content-Length with atol and passes the result straight to mallocle...

PT-2026-47829

Name of the Vulnerable Software and Affected Versions OpenSSL affected versions not specified Description An integer truncation in the ASN.1 decoder occurs when parsing a crafted DER-encoded ASN.1 structure with a primitive element exceeding 2 gigabytes in length. This issue specifically affects...

FreeSWITCH 输入验证错误漏洞

FreeSWITCH is a free and open-source communication software developed by Anthony Minessale, an individual developer from the United States. This software can be used to create audio, video, and short message-based products and applications. Prior to FreeSWITCH version 1.11.1, there was a...

PT-2026-47848

Name of the Vulnerable Software and Affected Versions FreeSWITCH versions prior to 1.11.1 Description The mod verto HTTP request handler allocates a fixed 2 MiB buffer for a POST application/x-www-form-urlencoded body but accepts a Content-Length of up to nearly 10 MiB. Because the body-read loop...

USN-8401-1: Netty vulnerabilities

It was discovered that Netty's HTTP proxy handler did not properly validate headers when constructing CONNECT requests. An attacker could possibly use this issue to inject arbitrary HTTP headers into CONNECT requests. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS,...

CVE-2026-38427

An issue in fetchjpg in xdrv10scripter.ino in Tasmota through 15.3.0.3 allows a remote attacker to cause heap buffer overflow. The Content-Length from a JPEG stream is stored in a uint16t variable; values above 65535 wrap around, causing allocation of a smaller buffer than the data actually read...

CVE-2026-49753

Inconsistent Interpretation of HTTP Requests 'HTTP Request/Response Smuggling' vulnerability in elixir-mint Mint allows attacker-controlled HTTP/1 servers to desynchronise response framing on shared connections. Mint's HTTP/1 Content-Length parser, Mint.HTTP1.Parse.contentlengthheader/1 in...

Allocation of Resources Without Limits or Throttling in Axios

Summary Axios versions 1.7.0 through 1.15.x did not enforce configured request and response size limits when requests were sent with the fetch adapter. Applications that selected adapter: 'fetch', or ran in environments where axios resolved to the fetch adapter, could receive or send bodies large...

Allocation of Resources Without Limits or Throttling

Overview axios is a promise-based HTTP client for the browser and Node.js. Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the fetch adapter when finite size limits are configured but not enforced. An attacker can exhaust server resource...

Allocation of Resources Without Limits or Throttling

Overview org.webjars.npm:axios is a promise-based HTTP client for the browser and Node.js. Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the fetch adapter when finite size limits are configured but not enforced. An attacker can exhaust...

GHSA-777C-7FJR-54VF Allocation of Resources Without Limits or Throttling in Axios

Summary Axios versions 1.7.0 through 1.15.x did not enforce configured request and response size limits when requests were sent with the fetch adapter. Applications that selected adapter: 'fetch', or ran in environments where axios resolved to the fetch adapter, could receive or send bodies large...

CVE-2026-5766

A flaw was found in Django. This vulnerability allows a remote attacker to bypass the FILEUPLOADMAXMEMORYSIZE limit by sending specially crafted ASGI Asynchronous Server Gateway Interface requests with a missing or understated Content-Length header. This can lead to large files being loaded into...

PT-2026-46302

Name of the Vulnerable Software and Affected Versions Axios versions 1.7.0 through 1.15.x Description Axios fails to enforce configured request and response size limits when using the fetch adapter. This occurs when applications explicitly set adapter: 'fetch', use a configuration where fetch is...

CVE-2026-49753

Inconsistent Interpretation of HTTP Requests 'HTTP Request/Response Smuggling' vulnerability in elixir-mint Mint allows attacker-controlled HTTP/1 servers to desynchronise response framing on shared connections. Mint's HTTP/1 Content-Length parser, Mint.HTTP1.Parse.contentlengthheader/1 in...