CVE-2011-1753

expat_erl.c in ejabberd before 2.1.7 and 3.x before 3.0.0-alpha-3, and exmpp before 0.9.7, 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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5 UNKNOWN
NETWORK
LOW
AV:N/AC:L/Au:N/C:N/I:N/A:P
redhatCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 82%
VendorProductVersion
process-oneejabberd
𝑥
≤ 2.1.6
process-oneejabberd
0.9
process-oneejabberd
0.9.1
process-oneejabberd
0.9.8
process-oneejabberd
1.0.0
process-oneejabberd
1.1.0
process-oneejabberd
1.1.1
process-oneejabberd
1.1.1.0
process-oneejabberd
1.1.1.1
process-oneejabberd
1.1.2
process-oneejabberd
1.1.3
process-oneejabberd
1.1.14
process-oneejabberd
2.0.0
process-oneejabberd
2.0.0:beta1
process-oneejabberd
2.0.0:rc1
process-oneejabberd
2.0.1_2:_2
process-oneejabberd
2.0.2
process-oneejabberd
2.0.3
process-oneejabberd
2.0.4
process-oneejabberd
2.0.5
process-oneejabberd
2.1.0
process-oneejabberd
2.1.1
process-oneejabberd
2.1.2
process-oneejabberd
2.1.3
process-oneejabberd
2.1.4
process-oneejabberd
2.1.5
process-oneejabberd
3.0.0:alpha1
process-oneejabberd
3.0.0:alpha2
process-oneexmpp
𝑥
≤ 0.9.6
process-oneexmpp
0.9.1
process-oneexmpp
0.9.2
process-oneexmpp
0.9.3
process-oneexmpp
0.9.4
process-oneexmpp
0.9.5
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
ejabberd
bullseye
21.01-2
fixed
bookworm
23.01-1
fixed
trixie
23.10-1
fixed
sid
24.07-2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
ejabberd
saucy
not-affected
raring
not-affected
quantal
not-affected
precise
not-affected
oneiric
not-affected
natty
Fixed 2.1.5-3+squeeze1build0.11.04.1
released
maverick
ignored
lucid
ignored
hardy
ignored
Common Weakness Enumeration