CVE catalog

CVE-2011-1755

jabberd2: CVE-2011-1755

Severity: High
Published: Jun 16, 2011, 7:18:00 PM UTC
Source: [NVD] · [CVE record]
EPSS: 3.66% · Oct 25, 2026

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.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	jabberd2	sid	`2.7.0-10`	fixed
Debian	jabberd2	forky	`2.7.0-10`	fixed
Debian	jabberd2	trixie	`2.7.0-8`	fixed
Debian	jabberd2	bookworm	`2.7.0-4`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	jabberd2	source	sid	`2.2.8-2.1`	medium	Not reported	Not reported
Debian	jabberd2	source	forky	`2.2.8-2.1`	medium	Not reported	Not reported
Debian	jabberd2	source	trixie	`2.2.8-2.1`	medium	Not reported	Not reported
Debian	jabberd2	source	bookworm	`2.2.8-2.1`	medium	Not reported	Not reported

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[jabberd2]Fixed
Source package: [jabberd2]
Details (2)
- 2.7.0-4+b2 · amd64 · bookworm
  Fixed · Fixed: 2.2.8-2.1
  dsa · jabberd2 · debian · bookworm; dsa · jabberd2 · debian · 12
- 2.7.0-4+b2 · arm64 · bookworm
  Fixed · Fixed: 2.2.8-2.1
  dsa · jabberd2 · debian · bookworm; dsa · jabberd2 · debian · 12

[Debian 13 (Trixie)]

[jabberd2]Fixed
Details (2)
- 2.7.0-8 · amd64 · trixie
  Fixed · Fixed: 2.2.8-2.1
  dsa · jabberd2 · debian · 13
- 2.7.0-8 · arm64 · trixie
  Fixed · Fixed: 2.2.8-2.1
  dsa · jabberd2 · debian · 13

Observed: Oct 23, 2026, 5:05:23 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]