CVE-2017-9779

Publication date 7 September 2017

Last updated 26 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

OCaml compiler allows attackers to have unspecified impact via unknown vectors, a similar issue to CVE-2017-9772 "but with much less impact."

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
ocaml	25.10 questing	Not affected
	25.04 plucky	Not affected
	24.10 oracular	Not affected
	24.04 LTS noble	Not affected
	23.10 mantic	Not affected
	23.04 lunar	Not affected
	22.10 kinetic	Not affected
	22.04 LTS jammy	Not affected
	21.10 impish	Not affected
	21.04 hirsute	Not affected
	20.10 groovy	Not affected
	20.04 LTS focal	Not affected
	19.10 eoan	Not affected
	19.04 disco	Not affected
	18.10 cosmic	Not affected
	18.04 LTS bionic	Not affected
	17.10 artful	Ignored end of life
	17.04 zesty	Ignored end of life
	16.04 LTS xenial	Vulnerable
	14.04 LTS trusty	Vulnerable

Notes

msalvatore

I believe this CVE has to do with unsafe handling of the TMPDIR environment variable in setuid binaries. Possible commits to resolve this are the same as those for CVE-2017-9772 binaries built with ocamlopt will need to be rebuilt after a system upgrade

Severity score breakdown

Parameter	Value
Base score	7.8 · High
Attack vector	Local
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H