CVE-2023-43655

unknown

Published 2023-09-29 · Modified 2025-02-13

💬 Discuss on Community ✚ Propose mitigation

CVSS v3

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CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v4 NEW

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not yet in upstream

VIR risk

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Description

Composer Remote Code Execution vulnerability via web-accessible composer.phar

Predictions

Exploit likelihood

30%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

OS	Version	Status	Fixed in
debian	bookworm	fixed	`2.5.5-1+deb12u4`
debian	bullseye	affected
debian	forky	fixed	`2.6.4-1`
debian	sid	fixed	`2.6.4-1`
debian	trixie	fixed	`2.6.4-1`
sles		affected

Package impact

Ecosystem	Package	Vulnerable	Fixed
Packagist	composer/composer	`<1.10.27`	`1.10.27`
Packagist	composer/composer	`>=2.0.0,<2.2.22`	`2.2.22`
Packagist	composer/composer	`>=2.3.0,<2.6.4`	`2.6.4`

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.