cve-2023-24534
Vulnerability from cvelistv5
Published
2023-04-06 15:50
Modified
2024-08-02 11:03
Severity
Summary
Excessive memory allocation in net/http and net/textproto
References
SourceURLTags
security@golang.orghttps://go.dev/cl/481994Patch, Vendor Advisory
security@golang.orghttps://go.dev/issue/58975Issue Tracking, Vendor Advisory
security@golang.orghttps://groups.google.com/g/golang-announce/c/Xdv6JL9ENs8Mailing List, Patch
security@golang.orghttps://pkg.go.dev/vuln/GO-2023-1704Vendor Advisory
security@golang.orghttps://security.gentoo.org/glsa/202311-09
security@golang.orghttps://security.netapp.com/advisory/ntap-20230526-0007/
Impacted products
VendorProduct
Go standard librarynet/textproto
Show details on NVD website

To clipboard 

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    "cna": {
      "affected": [
        {
          "collectionURL": "https://pkg.go.dev",
          "defaultStatus": "unaffected",
          "packageName": "net/textproto",
          "product": "net/textproto",
          "programRoutines": [
            {
              "name": "readMIMEHeader"
            },
            {
              "name": "Reader.upcomingHeaderNewlines"
            },
            {
              "name": "Reader.ReadMIMEHeader"
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          "vendor": "Go standard library",
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              "version": "0",
              "versionType": "semver"
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      "credits": [
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          "lang": "en",
          "value": "Jakob Ackermann (@das7pad)"
        }
      ],
      "descriptions": [
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          "lang": "en",
          "value": "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."
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    "dateReserved": "2023-01-25T21:19:20.642Z",
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