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debianDebianDEBIAN:DSA-4530-1:939B7
HistorySep 22, 2019 - 7:41 a.m.

[SECURITY] [DSA 4530-1] expat security update

2019-09-2207:41:45
lists.debian.org
190

CVSS2

5

Attack Vector

NETWORK

Attack 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

CVSS3

7.5

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

AI Score

8.6

Confidence

High

EPSS

0.005

Percentile

75.7%


Debian Security Advisory DSA-4530-1 [email protected]
https://www.debian.org/security/ Salvatore Bonaccorso
September 22, 2019 https://www.debian.org/security/faq


Package : expat
CVE ID : CVE-2019-15903
Debian Bug : 939394

It was discovered that Expat, an XML parsing C library, did not properly
handled internal entities closing the doctype, potentially resulting in
denial of service or information disclosure if a malformed XML file is
processed.

For the oldstable distribution (stretch), this problem has been fixed
in version 2.2.0-2+deb9u3.

For the stable distribution (buster), this problem has been fixed in
version 2.2.6-2+deb10u1.

We recommend that you upgrade your expat packages.

For the detailed security status of expat please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/expat

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: [email protected]

CVSS2

5

Attack Vector

NETWORK

Attack 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

CVSS3

7.5

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

AI Score

8.6

Confidence

High

EPSS

0.005

Percentile

75.7%