CVE-2012-0839

medium

Published 2012-02-08 · Modified 2026-04-29

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CVSS v3

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CVSS v4 NEW

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not yet in upstream

VIR risk

5.0

Description

OCaml 3.12.1 and earlier computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted input to an application that maintains a hash table.

Predictions

Exploit likelihood

20%

Patch ETA

—

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	`4.00.0~beta2-1`
debian	bullseye	fixed	`4.00.0~beta2-1`
debian	forky	fixed	`4.00.0~beta2-1`
debian	sid	fixed	`4.00.0~beta2-1`
debian	trixie	fixed	`4.00.0~beta2-1`

Application impact

Vendor	Product	Versions
inria	ocaml	`{"endIncluding":"3.12.1"}`
inria	ocaml	`1.07`
inria	ocaml	`2.02`
inria	ocaml	`2.04`
inria	ocaml	`2.99`
inria	ocaml	`3.00`
inria	ocaml	`3.01`
inria	ocaml	`3.02`
inria	ocaml	`3.03`
inria	ocaml	`3.04`
inria	ocaml	`3.05`
inria	ocaml	`3.06`
inria	ocaml	`3.07`
inria	ocaml	`3.08`
inria	ocaml	`3.09`
inria	ocaml	`3.10`
inria	ocaml	`3.11`
inria	ocaml	`3.12`

References

CWEs

CWE-20

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

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