Ubuntu 5643-1: Ghostscript vulnerabilities | LinuxSecurity.com
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Ubuntu Security Notice USN-5643-1
September 27, 2022

ghostscript vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

Several security issues were fixed in Ghostscript.

Software Description:
- ghostscript: PostScript and PDF interpreter

Details:

It was discovered that GhostScript incorrectly handled certain PDF files.
If a user or automated system were tricked into opening a specially crafted
PDF file, a remote attacker could use this issue to cause GhostScript to
crash, resulting in a denial of service, or possibly execute arbitrary
code. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS.
(CVE-2020-27792)

It was discovered that GhostScript incorrectly handled certain PDF files.
If a user or automated system were tricked into opening a specially crafted
PDF file, a remote attacker could use this issue to cause GhostScript to
crash, resulting in a denial of service, or possibly execute arbitrary
code. This issue only affected Ubuntu 22.04 LTS. (CVE-2022-2085)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 22.04 LTS:
  ghostscript                     9.55.0~dfsg1-0ubuntu5.1

Ubuntu 20.04 LTS:
  ghostscript                     9.50~dfsg-5ubuntu4.6

Ubuntu 18.04 LTS:
  ghostscript                     9.26~dfsg+0-0ubuntu0.18.04.17

In general, a standard system update will make all the necessary changes.

References:
  https://ubuntu.com/security/notices/USN-5643-1
  CVE-2020-27792, CVE-2022-2085

Package Information:
  https://launchpad.net/ubuntu/+source/ghostscript/9.55.0~dfsg1-0ubuntu5.1
  https://launchpad.net/ubuntu/+source/ghostscript/9.50~dfsg-5ubuntu4.6
  https://launchpad.net/ubuntu/+source/ghostscript/9.26~dfsg+0-0ubuntu0.18.04.17

Ubuntu 5643-1: Ghostscript vulnerabilities

September 27, 2022

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS Summary: Several security issues were fixed in Ghostscript. Software Description: - ghostscript: PostScript and PDF interpreter Details: It was discovered that GhostScript incorrectly handled certain PDF files. If a user or automated system were tricked into opening a specially crafted PDF file, a remote attacker could use this issue to cause GhostScript to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2020-27792) It was discovered that GhostScript incorrectly handled certain PDF files. If a user or automated system were tricked into opening a specially crafted PDF file, a remote attacker could use this issue to cause GhostScript to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 22.04 LTS. (CVE-2022-2085)

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 22.04 LTS: ghostscript 9.55.0~dfsg1-0ubuntu5.1 Ubuntu 20.04 LTS: ghostscript 9.50~dfsg-5ubuntu4.6 Ubuntu 18.04 LTS: ghostscript 9.26~dfsg+0-0ubuntu0.18.04.17 In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-5643-1

CVE-2020-27792, CVE-2022-2085

Severity
Ubuntu Security Notice USN-5643-1

Package Information

https://launchpad.net/ubuntu/+source/ghostscript/9.55.0~dfsg1-0ubuntu5.1 https://launchpad.net/ubuntu/+source/ghostscript/9.50~dfsg-5ubuntu4.6 https://launchpad.net/ubuntu/+source/ghostscript/9.26~dfsg+0-0ubuntu0.18.04.17

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