6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
4.3 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P
0.004 Low
EPSS
Percentile
73.3%
Debian LTS Advisory DLA-2377-1 [email protected]
https://www.debian.org/lts/security/ Adrian Bunk
September 21, 2020 https://wiki.debian.org/LTS
Package : qt4-x11
Version : 4:4.8.7+dfsg-11+deb9u1
CVE ID : CVE-2018-15518 CVE-2018-19869 CVE-2018-19870 CVE-2018-19871
CVE-2018-19872 CVE-2018-19873 CVE-2020-17507
Debian Bug : 923003 970308
Several vulnerabilities were fixed in qt4-x11, the legacy version
of the Qt toolkit.
CVE-2018-15518
Double-free or corruption in QXmlStreamReader during parsing of a
specially crafted illegal XML document.
CVE-2018-19869
A malformed SVG image causes a segmentation fault.
CVE-2018-19870
A malformed GIF image causes a NULL pointer dereference in
QGifHandler resulting in a segmentation fault.
CVE-2018-19871
Uncontrolled Resource Consumption in QTgaFile.
CVE-2018-19872
A malformed PPM image causes a crash.
CVE-2018-19873
QBmpHandler segfault on malformed BMP file.
CVE-2020-17507
Buffer over-read in the XBM parser.
For Debian 9 stretch, these problems have been fixed in version
4:4.8.7+dfsg-11+deb9u1.
We recommend that you upgrade your qt4-x11 packages.
For the detailed security status of qt4-x11 please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/qt4-x11
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
4.3 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P
0.004 Low
EPSS
Percentile
73.3%