7.8 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:N/I:N/A:C
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
7.8 High
AI Score
Confidence
High
0.582 Medium
EPSS
Percentile
97.7%
Debian Security Advisory DSA-4472-1 [email protected]
https://www.debian.org/security/ Salvatore Bonaccorso
June 28, 2019 https://www.debian.org/security/faq
Package : expat
CVE ID : CVE-2018-20843
Debian Bug : 931031
It was discovered that Expat, an XML parsing C library, did not properly
handled XML input including XML names that contain a large number of
colons, potentially resulting in denial of service.
For the stable distribution (stretch), this problem has been fixed in
version 2.2.0-2+deb9u2.
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]
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 9 | mips64el | libexpat1-dbgsym | < 2.2.0-2+deb9u2 | libexpat1-dbgsym_2.2.0-2+deb9u2_mips64el.deb |
Debian | 9 | mipsel | libexpat1 | < 2.2.0-2+deb9u2 | libexpat1_2.2.0-2+deb9u2_mipsel.deb |
Debian | 9 | mips | expat-dbgsym | < 2.2.0-2+deb9u2 | expat-dbgsym_2.2.0-2+deb9u2_mips.deb |
Debian | 9 | ppc64el | libexpat1-dev | < 2.2.0-2+deb9u2 | libexpat1-dev_2.2.0-2+deb9u2_ppc64el.deb |
Debian | 8 | armhf | libexpat1-udeb | < 2.1.0-6+deb8u5 | libexpat1-udeb_2.1.0-6+deb8u5_armhf.deb |
Debian | 9 | mips64el | libexpat1-udeb | < 2.2.0-2+deb9u2 | libexpat1-udeb_2.2.0-2+deb9u2_mips64el.deb |
Debian | 9 | i386 | expat-dbgsym | < 2.2.0-2+deb9u2 | expat-dbgsym_2.2.0-2+deb9u2_i386.deb |
Debian | 8 | i386 | libexpat1-udeb | < 2.1.0-6+deb8u5 | libexpat1-udeb_2.1.0-6+deb8u5_i386.deb |
Debian | 9 | mipsel | expat-dbgsym | < 2.2.0-2+deb9u2 | expat-dbgsym_2.2.0-2+deb9u2_mipsel.deb |
Debian | 9 | arm64 | libexpat1-udeb | < 2.2.0-2+deb9u2 | libexpat1-udeb_2.2.0-2+deb9u2_arm64.deb |
7.8 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:N/I:N/A:C
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
7.8 High
AI Score
Confidence
High
0.582 Medium
EPSS
Percentile
97.7%