Allocation of Resources Without Limits or Throttling Affecting std/net/textproto package, versions <1.19.8>=1.20.0-0 <1.20.3
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published6 Jan 2026
- disclosed5 Apr 2023
- creditJakob Ackermann
Introduced: 5 Apr 2023
CVE-2023-24534 (opens in a new tab)How to fix?
Upgrade std/net/textproto to version 1.19.8, 1.20.3 or higher.
Overview
std/net/textproto is a Go standard library package std/net/textproto
Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling.
Go Vulnerability Report:
HTTP and MIME header parsing can allocate large amounts of memory, even when parsing small inputs, potentially leading to a denial of service. Certain unusual patterns of input data can cause the common function used to parse HTTP and MIME headers to allocate substantially more memory than required to hold the parsed headers. An attacker can exploit this behavior to cause an HTTP server to allocate large amounts of memory from a small request, potentially leading to memory exhaustion and a denial of service.With fix, header parsing now correctly allocates only the memory required to hold parsed headers.