jabberd2 before 2.2.14 does not properly detect recursion during entity expansion, which…
Priority LOW 39CWE-776Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.
Summary
jabberd2 before 2.2.14 does not properly detect recursion during entity expansion, which allows remote attackers to cause a denial of service (memory and CPU consumption) via a crafted XML document containing a large number of nested entity references, a similar issue to CVE-2003-1564.
Why it matters now
EPSS 0.03659 89th percentileScored 2026-11-07
Fix Fixed Red Hat: 2 advisories
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:jabberd2:jabberd2:*:*:*:*:*:*:*:* | before 2.2.14 | Vulnerable | Jabberd2 |
| cpe:2.3:o:fedoraproject:fedora:13:*:*:*:*:*:*:* | 13 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:14:*:*:*:*:*:*:* | 14 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:15:*:*:*:*:*:*:* | 15 | Vulnerable | Fedoraproject |
| cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* | before 10.6.8; 10.7.0 to before 10.7.2 | Vulnerable | Apple |
| cpe:2.3:o:apple:mac_os_x_server:*:*:*:*:*:*:*:* | before 10.6.8; 10.7.0 to before 10.7.2 | Vulnerable | Apple |
- cpe:2.3:a:jabberd2:jabberd2:*:*:*:*:*:*:*:* Versions before 2.2.14 Vulnerable ·Jabberd2
- cpe:2.3:o:fedoraproject:fedora:13:*:*:*:*:*:*:* Versions 13 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:14:*:*:*:*:*:*:* Versions 14 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:15:*:*:*:*:*:*:* Versions 15 Vulnerable ·Fedoraproject
- cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* Versions before 10.6.8; 10.7.0 to before 10.7.2 Vulnerable ·Apple
- cpe:2.3:o:apple:mac_os_x_server:*:*:*:*:*:*:*:* Versions before 10.6.8; 10.7.0 to before 10.7.2 Vulnerable ·Apple
Remediation
Red Hat 2 advisories
- RHSA-2011:0882 Released 2011-06-16 · Red Hat rating LowRed Hat Network Satellite server jabberd security update
- Red Hat Satellite 5.4 (RHEL v.5) jabberd-2.2.8-12.el5sat, jabberd-2.2.8-12.el5sat.i386
- RHSA-2011:0881 Released 2011-06-16 · Red Hat rating LowRed Hat Network Proxy server jabberd security update
- Red Hat Satellite Proxy 5.4 (RHEL v.5) jabberd-2.2.8-12.el5sat, jabberd-2.2.8-12.el5sat.i386
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Satellite 5.4 (RHEL v.5) | Fixed | RHSA-2011:0882 |
| Red Hat Satellite Proxy 5.4 (RHEL v.5) | Fixed | RHSA-2011:0881 |
Timeline
- 2026-10-02 Threatist record created from CVE-2011-1755
- 2026-10-03 Alias added: GHSA-rpcf-xw9j-7c7j
References
Advisory 8
Sources
- CVE-2011-1755 · CVE Program
- CVE-2011-1755 · NVD
- FIRST EPSS
- GHSA-rpcf-xw9j-7c7j · GitHub Advisory Database · CC BY 4.0
- CVE-2011-1755 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences