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ubuntuUbuntuUSN-1527-1
HistoryAug 10, 2012 - 12:00 a.m.

Expat vulnerabilities

2012-08-1000:00:00
ubuntu.com
34

7.2 High

AI Score

Confidence

High

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

0.009 Low

EPSS

Percentile

82.6%

Releases

  • Ubuntu 12.04
  • Ubuntu 11.10
  • Ubuntu 11.04
  • Ubuntu 10.04
  • Ubuntu 8.04

Packages

  • expat - XML parsing C library - example application

Details

It was discovered that Expat computed hash values without restricting the
ability to trigger hash collisions predictably. If a user or application linked
against Expat were tricked into opening a crafted XML file, an attacker could
cause a denial of service by consuming excessive CPU resources. (CVE-2012-0876)

Tim Boddy discovered that Expat did not properly handle memory reallocation
when processing XML files. If a user or application linked against Expat were
tricked into opening a crafted XML file, an attacker could cause a denial of
service by consuming excessive memory resources. This issue only affected
Ubuntu 8.04 LTS, 10.04 LTS, 11.04 and 11.10. (CVE-2012-1148)

OSVersionArchitecturePackageVersionFilename
Ubuntu8.04noarchlib64expat1< 2.0.1-0ubuntu1.2UNKNOWN
Ubuntu8.04noarchexpat< 2.0.1-0ubuntu1.2UNKNOWN
Ubuntu8.04noarchlibexpat1< 2.0.1-0ubuntu1.2UNKNOWN
Ubuntu8.04noarchlibexpat1-dev< 2.0.1-0ubuntu1.2UNKNOWN
Ubuntu8.04noarchlibexpat1-udeb< 2.0.1-0ubuntu1.2UNKNOWN
Ubuntu12.04noarchlib64expat1< 2.0.1-7.2ubuntu1.1UNKNOWN
Ubuntu12.04noarchexpat< 2.0.1-7.2ubuntu1.1UNKNOWN
Ubuntu12.04noarchlibexpat1< 2.0.1-7.2ubuntu1.1UNKNOWN
Ubuntu12.04noarchlibexpat1-dev< 2.0.1-7.2ubuntu1.1UNKNOWN
Ubuntu12.04noarchlibexpat1-udeb< 2.0.1-7.2ubuntu1.1UNKNOWN
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1-10 of 251

7.2 High

AI Score

Confidence

High

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

0.009 Low

EPSS

Percentile

82.6%