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melange: unbounded HTTP download in `melange update-cache` can exhaust disk in CI

CVSS 3.1 4.3 MEDIUMEUVD CVSS 3.1 4.3 CVSS 3.1 · [email protected] · Secondary 4.3 MEDIUMCVSS_V3 Publisher rating MODERATEFixed by chainguard.dev/melange 0.43.4osv · severity unknownKEV status unknown

cve-program · CVE-2026-29049

Published

melange allows users to build apk packages using declarative pipelines. In version 0.40.5 and prior, melange update-cache downloads URIs from build configs via io.Copy without any size limit or HTTP client timeout (pkg/renovate/cache/cache.go). An attacker-controlled URI in a melange config can cause unbounded disk writes, exhausting disk on the build runne. Version 0.43.4 contains a patch.

Read the publisher's advisory

euvd · EUVD-2026-10015

Published

melange allows users to build apk packages using declarative pipelines. In version 0.40.5 and prior, melange update-cache downloads URIs from build configs via io.Copy without any size limit or HTTP client timeout (pkg/renovate/cache/cache.go). An attacker-controlled URI in a melange config can cause unbounded disk writes, exhausting disk on the build runne. Version 0.43.4 contains a patch.

Read the publisher's advisory

nvd · CVE-2026-29049

Published

melange allows users to build apk packages using declarative pipelines. In version 0.40.5 and prior, melange update-cache downloads URIs from build configs via io.Copy without any size limit or HTTP client timeout (pkg/renovate/cache/cache.go). An attacker-controlled URI in a melange config can cause unbounded disk writes, exhausting disk on the build runne. Version 0.43.4 contains a patch.

Read the publisher's advisory

osv · GHSA-7rp8-r62p-q6wc

Published

`melange update-cache` downloads URIs from build configs via `io.Copy` without any size limit or HTTP client timeout (`pkg/renovate/cache/cache.go`). An attacker-controlled URI in a melange config can cause unbounded disk writes, exhausting disk on the build runner. Affected versions <= 0.40.5. **Fix:** Merged **Acknowledgements** Thank you to Oleh Konko from [1seal](https://1seal.org/) for discovering and reporting this issue.

Read the publisher's advisory

osv · GO-2026-4588

Published

`melange update-cache` has unbounded HTTP download that can exhaust disk in CI in chainguard.dev/melange

Read the publisher's advisory

Affected versions, risk and source history

Exploitation and risk

Source status

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Risk history

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Advisory history

14 saved versions

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15 Nov 2026 09:29:04 UTC

melange allows users to build apk packages using declarative pipelines. In version 0.40.5 and prior, melange update-cache downloads URIs from build configs via io.Copy without any size limit or HTTP client timeout (pkg/renovate/cache/cache.…

euvd · EUVD-2026-10015 · Published

13 Nov 2026 08:19:20 UTC

melange allows users to build apk packages using declarative pipelines. In version 0.40.5 and prior, melange update-cache downloads URIs from build configs via io.Copy without any size limit or HTTP client timeout (pkg/renovate/cache/cache.…

euvd · EUVD-2026-10015 · Published

11 Nov 2026 07:34:55 UTC

melange allows users to build apk packages using declarative pipelines. In version 0.40.5 and prior, melange update-cache downloads URIs from build configs via io.Copy without any size limit or HTTP client timeout (pkg/renovate/cache/cache.…

euvd · EUVD-2026-10015 · Published

9 Nov 2026 07:13:10 UTC

melange allows users to build apk packages using declarative pipelines. In version 0.40.5 and prior, melange update-cache downloads URIs from build configs via io.Copy without any size limit or HTTP client timeout (pkg/renovate/cache/cache.…

euvd · EUVD-2026-10015 · Published

7 Nov 2026 06:34:41 UTC

melange allows users to build apk packages using declarative pipelines. In version 0.40.5 and prior, melange update-cache downloads URIs from build configs via io.Copy without any size limit or HTTP client timeout (pkg/renovate/cache/cache.…

euvd · EUVD-2026-10015 · Published

5 Nov 2026 06:03:26 UTC

melange allows users to build apk packages using declarative pipelines. In version 0.40.5 and prior, melange update-cache downloads URIs from build configs via io.Copy without any size limit or HTTP client timeout (pkg/renovate/cache/cache.…

euvd · EUVD-2026-10015 · Published

3 Nov 2026 05:07:27 UTC

melange allows users to build apk packages using declarative pipelines. In version 0.40.5 and prior, melange update-cache downloads URIs from build configs via io.Copy without any size limit or HTTP client timeout (pkg/renovate/cache/cache.…

euvd · EUVD-2026-10015 · Published

1 Nov 2026 04:13:25 UTC

melange allows users to build apk packages using declarative pipelines. In version 0.40.5 and prior, melange update-cache downloads URIs from build configs via io.Copy without any size limit or HTTP client timeout (pkg/renovate/cache/cache.…

euvd · EUVD-2026-10015 · Published

30 Oct 2026 03:58:02 UTC

melange allows users to build apk packages using declarative pipelines. In version 0.40.5 and prior, melange update-cache downloads URIs from build configs via io.Copy without any size limit or HTTP client timeout (pkg/renovate/cache/cache.…

euvd · EUVD-2026-10015 · Published

28 Oct 2026 03:01:30 UTC

melange allows users to build apk packages using declarative pipelines. In version 0.40.5 and prior, melange update-cache downloads URIs from build configs via io.Copy without any size limit or HTTP client timeout (pkg/renovate/cache/cache.…

euvd · EUVD-2026-10015 · Published

25 Oct 2026 07:19:03 UTC

melange allows users to build apk packages using declarative pipelines. In version 0.40.5 and prior, melange update-cache downloads URIs from build configs via io.Copy without any size limit or HTTP client timeout (pkg/renovate/cache/cache.…

nvd · CVE-2026-29049 · Published

24 Oct 2026 13:19:41 UTC

`melange update-cache` has unbounded HTTP download that can exhaust disk in CI

osv · GHSA-7rp8-r62p-q6wc · Published

24 Oct 2026 13:19:41 UTC

`melange update-cache` has unbounded HTTP download that can exhaust disk in CI in chainguard.dev/melange

osv · GO-2026-4588 · Published

23 Oct 2026 15:48:27 UTC

melange: unbounded HTTP download in `melange update-cache` can exhaust disk in CI

cve-program · CVE-2026-29049 · Published

ChangeIntel

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Sources read 15 Nov 12:11 UTC · 256 of 275 readable · 252 fully read · documentation 469/469 current