Lucene search

K
ubuntucveUbuntu.comUB:CVE-2019-19956
HistoryDec 24, 2019 - 12:00 a.m.

CVE-2019-19956

2019-12-2400:00:00
ubuntu.com
ubuntu.com
9

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.004 Low

EPSS

Percentile

74.3%

xmlParseBalancedChunkMemoryRecover in parser.c in libxml2 before 2.9.10 has
a memory leak related to newDoc->oldNs.

Bugs

Notes

Author Note
ccdm94 the fix for this issue, made available with commit 5a02583c, was reverted in version 2.9.11 with commit a0a8059b, since it seems like the fix introduced various memory issues in libxml2. More information regarding this choice made by upstream can be seen at: https://gitlab.gnome.org/GNOME/libxml2/-/issues/161
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlibxml2< 2.9.4+dfsg1-6.1ubuntu1.3UNKNOWN
ubuntu19.10noarchlibxml2< 2.9.4+dfsg1-7ubuntu3.1UNKNOWN
ubuntu20.04noarchlibxml2< 2.9.10+dfsg-1ubuntu2UNKNOWN
ubuntu14.04noarchlibxml2< 2.9.1+dfsg1-3ubuntu4.13+esm1) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu16.04noarchlibxml2< 2.9.3+dfsg1-1ubuntu0.7UNKNOWN

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.004 Low

EPSS

Percentile

74.3%