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ubuntuUbuntuUSN-5627-2
HistorySep 22, 2022 - 12:00 a.m.

PCRE vulnerabilities

2022-09-2200:00:00
ubuntu.com
32
pcre
vulnerabilities
ubuntu 18.04 esm
perl 5
regular expression library
memory handling
sensitive information

6.4 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

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

9.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

9.9 High

AI Score

Confidence

High

0.004 Low

EPSS

Percentile

72.1%

Releases

  • Ubuntu 18.04 ESM

Packages

  • pcre2 - Perl 5 Compatible Regular Expression Library

Details

USN-5627-1 fixed several vulnerabilities in PCRE. This update
provides the corresponding fixes for Ubuntu 18.04 ESM.

Original advisory details:

It was discovered that PCRE incorrectly handled memory when
handling certain regular expressions. An attacker could possibly
use this issue to cause applications using PCRE to expose
sensitive information.

6.4 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

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

9.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

9.9 High

AI Score

Confidence

High

0.004 Low

EPSS

Percentile

72.1%