Redhat.comRH:CVE-2020-36773CVE-2020-36773
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.4 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
26.1%
An out-of-bounds write, and a use-after-free flaw was found in Ghostscript. The flaw is present in devices/vector/gdevtxtw.c, for txtwrite, due to a single character code in a PDF document that can map to more than one Unicode code point (for example, a ligature).
Mitigation
Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
References
bugs.ghostscript.com/show_bug.cgi?id=702229
bugzilla.opensuse.org/show_bug.cgi?id=1177922
bugzilla.redhat.com/show_bug.cgi?id=2262734
git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=8c7bd787defa071c96289b7da9397f673fddb874
github.com/ArtifexSoftware/ghostpdl-downloads/releases/tag/gs9530
nvd.nist.gov/vuln/detail/CVE-2020-36773
www.cve.org/CVERecord?id=CVE-2020-36773
Related
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.4 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
26.1%