CVE-2018-12479

Request controller allows to create requests with arbitrary request IDs

6.5 MediumFix available

A Improper Input Validation vulnerability in Open Build Service allows remote attackers to cause DoS by specifying crafted request IDs. Affected releases are openSUSE Open Build Service: versions prior to 01b015ca2a320afc4fae823465d1e72da8bd60df.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

1.75%Up 1.2 points since Apr 14, 2021

What each source reports

CVE List Score used 6.5

Request controller allows to create requests with arbitrary request IDs

Record: CVE-2018-12479
CVSS 3.0: 6.5 MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-20
Updated: 2026-11-02

EUVDEUVD-2018-4449 6.5

Record: EUVD-2018-4449
CVSS 3.0: 6.5 MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-03

GitHub AdvisoriesGHSA-36p9-w333-jhg3 7.5

A Improper Input Validation vulnerability in Open Build Service allows remote attackers to cause...

Record: GHSA-36p9-w333-jhg3
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-20
Updated: 2026-11-02

NVD 6.5

Record: CVE-2018-12479
CVSS 3.0: 6.5 MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness: CWE-20
Updated: 2026-11-02

OSV 7.5

Record: CVE-2018-12479
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVDEBIAN-CVE-2018-12479 7.5

Record: DEBIAN-CVE-2018-12479
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2018-12479 6.5

Record: UBUNTU-CVE-2018-12479
CVSS 3.0: 6.5 MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`open-build-service` Debian:12	before 2.9.4-1	2.9.4-1
`open-build-service` Ubuntu:18.04:LTS	All versions, plus listed versions 2.7.4-2	None known
`open-build-service` Ubuntu:24.04:LTS	All versions, plus listed versions 2.9.4-92.9.4-10	None known
`open-build-service` Ubuntu:25.10	All versions, plus listed versions 2.9.4-10	None known
`open-build-service` Ubuntu:26.04:LTS	All versions, plus listed versions 2.9.4-10	None known

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases, products	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-12479 is a medium vulnerability (CVSS 6.5) in Opensuse Open Build Service, published October 9, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.75%, the 77th percentile. Fixed in open-build-service 2.9.4-1.