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debianDebianDEBIAN:DLA-3582-1:322A1
HistorySep 25, 2023 - 12:52 p.m.

[SECURITY] [DLA 3582-1] ghostscript security update

2023-09-2512:52:13
lists.debian.org
9
buffer overflow
version 9.27~dfsg-2+deb10u9
debian lts advisory
cve-2020-21710
denial of service
cve-2020-21890
remote attackers
ghostscript

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

7.3 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

40.8%


Debian LTS Advisory DLA-3582-1 [email protected]
https://www.debian.org/lts/security/ Abhijith PA
September 25, 2023 https://wiki.debian.org/LTS


Package : ghostscript
Version : 9.27~dfsg-2+deb10u9
CVE ID : CVE-2020-21710 CVE-2020-21890

Vulnerabilities were found in ghostscript, an interpreter for pdf
PostScript language, which allows remote attackers to cause denial of
service.

CVE-2020-21710

Divide by zero caused by custom resolution being too low

CVE-2020-21890

Buffer Overflow vulnerability in clj_media_size function.

For Debian 10 buster, these problems have been fixed in version
9.27~dfsg-2+deb10u9.

We recommend that you upgrade your ghostscript packages.

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

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

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

7.3 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

40.8%