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).
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | raptor2 | 2.0.14-1.1 | — |
| Debian 13 | raptor2 | 2.0.14-1.1 | — |
| Debian 12 | raptor2 | 2.0.14-1.1 | — |
| Debian 10 | raptor2 | 2.0.14-1.1~deb10u1 | DSA-4785-1 |
| Debian 9 | raptor2 | 2.0.14-1+deb9u1 | DLA-2438-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | raptor2 | 2.0.15-0ubuntu2 | — |
| Ubuntu 20.04 LTS | raptor2 | 2.0.15-0ubuntu1.20.04.1 | USN-4630-1 |
| Ubuntu 18.04 LTS | raptor2 | 2.0.14-1ubuntu0.18.04.1 | USN-4630-1 |
| Ubuntu 16.04 LTS | raptor2 | 2.0.14-1ubuntu0.16.04.1 | USN-4630-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | raptor | 1.4.21-11ubuntu0.1~esm1 | USN-7868-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | raptor2 +1 | 2.0.15-16.el8 | RHSA-2021:1842 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 8 | raptor2 +1 | 2.0.15-16.el8 | ALSA-2021:1842 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 8 | raptor2 | 2.0.15-16.el8 | RLSA-2021:1842 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP2 | raptor | 2.0.15-9.3.1 | SUSE-SU-2020:3352-1 |
| SLES 15 SP1 | raptor | 2.0.15-3.3.1 | SUSE-SU-2020:3350-1 |
| SLES 12 SP5 | raptor | 2.0.15-5.3.1 | SUSE-SU-2020:3351-1 |
| SLES 12 SP4 | raptor | 2.0.15-5.3.1 | SUSE-SU-2020:3351-1 |
| SLES 12 SP3 | raptor | 2.0.15-5.3.1 | SUSE-SU-2020:3351-1 |
Show 12 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP2 | raptor | 2.0.15-5.3.1 | SUSE-SU-2020:3351-1 |
| SLES for SAP 12 SP5 | raptor | 2.0.15-5.3.1 | SUSE-SU-2020:3351-1 |
| SLES for SAP 12 SP4 | raptor | 2.0.15-5.3.1 | SUSE-SU-2020:3351-1 |
| SLES for SAP 12 SP3 | raptor | 2.0.15-5.3.1 | SUSE-SU-2020:3351-1 |
| SLES for SAP 12 SP2 | raptor | 2.0.15-5.3.1 | SUSE-SU-2020:3351-1 |
| SUSE OpenStack Cloud Crowbar 9 | raptor | 2.0.15-5.3.1 | SUSE-SU-2020:3351-1 |
| SUSE OpenStack Cloud Crowbar 8 | raptor | 2.0.15-5.3.1 | SUSE-SU-2020:3351-1 |
| SUSE OpenStack Cloud 9 | raptor | 2.0.15-5.3.1 | SUSE-SU-2020:3351-1 |
| SUSE OpenStack Cloud 8 | raptor | 2.0.15-5.3.1 | SUSE-SU-2020:3351-1 |
| SUSE OpenStack Cloud 7 | raptor | 2.0.15-5.3.1 | SUSE-SU-2020:3351-1 |
| SUSE HPE Helion OpenStack 8 | raptor | 2.0.15-5.3.1 | SUSE-SU-2020:3351-1 |
| SUSE Enterprise Storage 5 | raptor | 2.0.15-5.3.1 | SUSE-SU-2020:3351-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.2 | raptor | 2.0.15-lp152.4.3.1 | openSUSE-SU-2020:1949-1 |
| openSUSE Leap 15.1 | raptor | 2.0.15-lp151.3.3.1 | openSUSE-SU-2020:1959-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | raptor2 | 2.0.15-r2 | — |
| Alpine v3.23 | raptor2 | 2.0.15-r2 | — |
| Alpine v3.22 | raptor2 | 2.0.15-r2 | — |
| Alpine v3.21 | raptor2 | 2.0.15-r2 | — |
| Alpine v3.20 | raptor2 | 2.0.15-r2 | — |
Show 8 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | raptor2 | 2.0.15-r2 | — |
| Alpine v3.18 | raptor2 | 2.0.15-r2 | — |
| Alpine v3.17 | raptor2 | 2.0.15-r2 | — |
| Alpine v3.16 | raptor2 | 2.0.15-r2 | — |
| Alpine v3.15 | raptor2 | 2.0.15-r2 | — |
| Alpine v3.14 | raptor2 | 2.0.15-r2 | — |
| Alpine v3.13 | raptor2 | 2.0.15-r2 | — |
| Alpine v3.12 | raptor2 | 2.0.15-r2 | — |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | raptor2 | No fix yet | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 8 | raptor2 +1 | 2.0.15-16.el8 | ELSA-2021-1842 |
Advisories 14
- ALSA-2021:1842 Moderate: raptor2 security and bug fix update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2021:1842 Red Hat Security Advisory: raptor2 security and bug fix update Red Hat Security Advisories (RHSA) · Jun 27, 2026
- USN-7868-1 raptor vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026
- USN-4630-1 raptor2 vulnerability Ubuntu Security Notices (USN) · Apr 22, 2026
- DSA-4785-1 raptor2 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-2438-1 raptor2 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- RLSA-2021:1842 Moderate: raptor2 security and bug fix update Rocky Linux Security Advisories · Feb 5, 2026
- SUSE-SU-2020:3352-1 Security update for raptor SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:1949-1 Security update for raptor SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:3350-1 Security update for raptor SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:1959-1 Security update for raptor SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:3351-1 Security update for raptor SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2025-0478 Red Hat Enterprise Linux (Raptor2): Mehrere Schwachstellen ermöglichen Denial of Service BSI CERT-Bund (WID) · Nov 11, 2025
- ELSA-2021-1842 Moderate: raptor2 security and bug fix update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · May 25, 2021
References
- https://www.openwall.com/lists/oss-security/2017/06/07/1
- https://github.com/LibreOffice/core/blob/master/external/redland/raptor/0001-Calcualte-max-nspace-declarations-correctly-for-XML-.patch.1
- [debian-lts-announce] 20201107 [SECURITY] [DLA 2438-1] raptor2 security update mailing-list
- DSA-4785 vendor-advisory
- [oss-security] 20201113 Buffer Overflow in raptor widely unfixed in Linux distros mailing-list
- [oss-security] 20201113 Re: Buffer Overflow in raptor widely unfixed in Linux distros mailing-list
- [oss-security] 20201114 Re: Buffer Overflow in raptor widely unfixed in Linux distros mailing-list
- [oss-security] 20201116 Re: Buffer Overflow in raptor widely unfixed in Linux distros mailing-list
- [oss-security] 20201116 Re: Buffer Overflow in raptor widely unfixed in Linux distros mailing-list
- FEDORA-2020-b15dd44972 vendor-advisory
- FEDORA-2020-d6675a61f1 vendor-advisory
- FEDORA-2020-3c1e69f1b1 vendor-advisory