CVE-2017-18926

Publication date 6 November 2020

Last updated 18 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.1 · High

Score breakdown

Description

raptor_xml_writer_start_element_common in raptor_xml_writer.c in Raptor RDF Syntax Library 2.0.15 miscalculates the maximum nspace declarations for the XML writer, leading to heap-based buffer overflows (sometimes seen in raptor_qname_format_as_xml).

Status

Package Ubuntu Release Status
raptor 25.10 questing Not in release
25.04 plucky Not in release
24.10 oracular Not in release
24.04 LTS noble Not in release
23.10 mantic Not in release
23.04 lunar Not in release
22.10 kinetic Not in release
22.04 LTS jammy Not in release
21.10 impish Not in release
21.04 hirsute Not in release
20.10 groovy Not in release
20.04 LTS focal Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial
Vulnerable
14.04 LTS trusty Not in release
raptor2 25.10 questing
Fixed 2.0.15-0ubuntu2
25.04 plucky
Fixed 2.0.15-0ubuntu2
24.10 oracular
Fixed 2.0.15-0ubuntu2
24.04 LTS noble
Fixed 2.0.15-0ubuntu2
23.10 mantic
Fixed 2.0.15-0ubuntu2
23.04 lunar
Fixed 2.0.15-0ubuntu2
22.10 kinetic
Fixed 2.0.15-0ubuntu2
22.04 LTS jammy
Fixed 2.0.15-0ubuntu2
21.10 impish
Fixed 2.0.15-0ubuntu2
21.04 hirsute
Fixed 2.0.15-0ubuntu2
20.10 groovy
Fixed 2.0.15-0ubuntu1.20.10.1
20.04 LTS focal
Fixed 2.0.15-0ubuntu1.20.04.1
18.04 LTS bionic
Fixed 2.0.14-1ubuntu0.18.04.1
16.04 LTS xenial
Fixed 2.0.14-1ubuntu0.16.04.1
14.04 LTS trusty Not in release

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
raptor2

Severity score breakdown

Parameter Value
Base score 7.1 · High
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact Low
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-4630-1
    • Raptor vulnerability
    • 11 November 2020

Other references