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CVE-2026-58229

Allocation of resources without limits vulnerability in elixir-mint mint allows a remote HTTP server to exhaust memory on the client host and cause a denial of service. The Mint.HTTP1.decode_headers/5 and Mint.HTTP1.decode_trailer_headers/4 functions in lib/mint/http1.ex accumulate every parsed response header and chunked-trailer field into a per-request list that persists across incoming TCP segments as request.headers_buffer, and only clear it when the terminating blank line is received. The
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:e873ea5971e465f9ed671a0122e8ae5803fc9967f6b85215322ac094dc2bea93
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"collectionURL":"https://repo.hex.pm","cpes":["cpe:2.3:a:elixir-mint:mint:*:*:*:*:*:*:*:*"],"defaultStatus":"unaffected","modules":["'Elixir.Mint.HTTP1'"],"packageName":"mint","packageURL":"pkg:hex/mint","product":"mint","programFiles":["lib/mint/http1.ex"],"programRoutines":[{"name":"'Elixir.Mint.HTTP1':decode_headers/5"},{"name":"'Elixir.Mint.HTTP1':decode_trailer_headers/4"}],"repo":"https://github.com/elixir-mint/mint","vendor":"elixir-mint","versions":[{"lessThan":"1.9.2","status":"affected","version":"0.1.0","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6e9307554fd31467380ac7147a4a14ab481b55b8100988a7c37a44a3588a50de · sha256:2849197a00a6828e… · /containers/cna/affected/0

{"collectionURL":"https://github.com","cpes":["cpe:2.3:a:elixir-mint:mint:*:*:*:*:*:*:*:*"],"defaultStatus":"unaffected","modules":["'Elixir.Mint.HTTP1'"],"packageName":"elixir-mint/mint","packageURL":"pkg:github/elixir-mint/mint","product":"mint","programFiles":["lib/mint/http1.ex"],"programRoutines":[{"name":"'Elixir.Mint.HTTP1':decode_headers/5"},{"name":"'Elixir.Mint.HTTP1':decode_trailer_headers/4"}],"repo":"https://github.com/elixir-mint/mint","vendor":"elixir-mint","versions":[{"lessThan":"566d702e6f29105f77522ca7aabb9f64f2f4e333","status":"affected","version":"3e6de4bac4821b0eb4d6109e8…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6e9307554fd31467380ac7147a4a14ab481b55b8100988a7c37a44a3588a50de · sha256:2849197a00a6828e… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"collectionURL":"https://repo.hex.pm","cpes":["cpe:2.3:a:elixir-mint:mint:*:*:*:*:*:*:*:*"],"defaultStatus":"unaffected","modules":["'Elixir.Mint.HTTP1'"],"packageName":"mint","packageURL":"pkg:hex/mint","product":"mint","programFiles":["lib/mint/http1.ex"],"programRoutines":[{"name":"'Elixir.Mint.HTTP1':decode_headers/5"},{"name":"'Elixir.Mint.HTTP1':decode_trailer_headers/4"}],"repo":"https://github.com/elixir-mint/mint","vendor":"elixir-mint","versions":[{"lessThan":"1.9.2","status":"affected","version":"0.1.0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6e9307554fd31467380ac7147a4a14ab481b55b8100988a7c37a44a3588a50de · sha256:2849197a00a6828e… · /containers/cna/affected/0
{"collectionURL":"https://github.com","cpes":["cpe:2.3:a:elixir-mint:mint:*:*:*:*:*:*:*:*"],"defaultStatus":"unaffected","modules":["'Elixir.Mint.HTTP1'"],"packageName":"elixir-mint/mint","packageURL":"pkg:github/elixir-mint/mint","product":"mint","programFiles":["lib/mint/http1.ex"],"programRoutines":[{"name":"'Elixir.Mint.HTTP1':decode_headers/5"},{"name":"'Elixir.Mint.HTTP1':decode_trailer_headers/4"}],"repo":"https://github.com/elixir-mint/mint","vendor":"elixir-mint","versions":[{"lessThan":"566d702e6f29105f77522ca7aabb9f64f2f4e333","status":"affected","version":"3e6de4bac4821b0eb4d6109e8…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6e9307554fd31467380ac7147a4a14ab481b55b8100988a7c37a44a3588a50de · sha256:2849197a00a6828e… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":8.2,"baseSeverity":"HIGH","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:6e9307554fd31467380ac7147a4a14ab481b55b8100988a7c37a44a3588a50de · sha256:2849197a00a6828e… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-770","description":"CWE-770 Allocation of Resources Without Limits or Throttling","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:6e9307554fd31467380ac7147a4a14ab481b55b8100988a7c37a44a3588a50de · sha256:2849197a00a6828e… · /containers/cna/problemTypes/0/descriptions/0

Source references

5 source assertions
{"tags":["related"],"url":"https://cna.erlef.org/cves/CVE-2026-58229.html"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6e9307554fd31467380ac7147a4a14ab481b55b8100988a7c37a44a3588a50de · sha256:2849197a00a6828e… · /containers/cna/references/1
{"tags":["patch"],"url":"https://github.com/elixir-mint/mint/commit/566d702e6f29105f77522ca7aabb9f64f2f4e333"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6e9307554fd31467380ac7147a4a14ab481b55b8100988a7c37a44a3588a50de · sha256:2849197a00a6828e… · /containers/cna/references/3
{"tags":["vendor-advisory","related"],"url":"https://github.com/elixir-mint/mint/security/advisories/GHSA-qrfr-wh4c-3qhw"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6e9307554fd31467380ac7147a4a14ab481b55b8100988a7c37a44a3588a50de · sha256:2849197a00a6828e… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/elixir-mint/mint/security/advisories/GHSA-qrfr-wh4c-3qhw"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6e9307554fd31467380ac7147a4a14ab481b55b8100988a7c37a44a3588a50de · sha256:2849197a00a6828e… · /containers/adp/0/references/0
{"tags":["related"],"url":"https://osv.dev/vulnerability/EEF-CVE-2026-58229"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6e9307554fd31467380ac7147a4a14ab481b55b8100988a7c37a44a3588a50de · sha256:2849197a00a6828e… · /containers/cna/references/2

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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