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ubuntuUbuntuUSN-6087-1
HistoryMay 18, 2023 - 12:00 a.m.

Ruby vulnerabilities

2023-05-1800:00:00
ubuntu.com
29

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

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

6.4 Medium

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.002 Low

EPSS

Percentile

55.3%

Releases

  • Ubuntu 20.04 LTS
  • Ubuntu 18.04 ESM
  • Ubuntu 16.04 ESM

Packages

  • ruby2.3 - Object-oriented scripting language
  • ruby2.5 - Object-oriented scripting language
  • ruby2.7 - Object-oriented scripting language

Details

It was discovered that Ruby incorrectly handled certain regular expressions.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2023-28755)

It was discovered that Ruby incorrectly handled certain regular expressions.
An attacker could possily use this issue to cause a denial of service.
This issue only affected Ubuntu 16.04 ESM. (CVE-2023-28756)

OSVersionArchitecturePackageVersionFilename
Ubuntu20.04noarchruby2.7< 2.7.0-5ubuntu1.11UNKNOWN
Ubuntu20.04noarchlibruby2.7< 2.7.0-5ubuntu1.11UNKNOWN
Ubuntu20.04noarchlibruby2.7-dbgsym< 2.7.0-5ubuntu1.11UNKNOWN
Ubuntu20.04noarchruby2.7-dbgsym< 2.7.0-5ubuntu1.11UNKNOWN
Ubuntu20.04noarchruby2.7-dev< 2.7.0-5ubuntu1.11UNKNOWN
Ubuntu20.04noarchruby2.7-doc< 2.7.0-5ubuntu1.11UNKNOWN
Ubuntu18.04noarchruby2.5< 2.5.1-1ubuntu1.16UNKNOWN
Ubuntu18.04noarchlibruby2.5< 2.5.1-1ubuntu1.16UNKNOWN
Ubuntu18.04noarchlibruby2.5-dbgsym< 2.5.1-1ubuntu1.16UNKNOWN
Ubuntu18.04noarchruby2.5-dbgsym< 2.5.1-1ubuntu1.16UNKNOWN
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5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

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

6.4 Medium

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.002 Low

EPSS

Percentile

55.3%