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CVE-2015-8394

Publication date 1 December 2015

Last updated 24 July 2024

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

PCRE before 8.38 mishandles the (?(<digits>) and (?(R<digits>) conditions, which allows remote attackers to cause a denial of service (integer overflow) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror.

Read the notes from the security team

Status

Package Ubuntu Release Status
pcre2 17.04 zesty
Not affected
16.10 yakkety
Not affected
16.04 LTS xenial
Not affected
15.10 wily Not in release
15.04 vivid Not in release
14.04 LTS trusty Not in release
12.04 LTS precise Not in release
pcre3 17.04 zesty
Not affected
16.10 yakkety
Not affected
16.04 LTS xenial
Not affected
15.10 wily
Fixed 2:8.35-7.1ubuntu1.3
15.04 vivid Ignored end of life
14.04 LTS trusty
Fixed 1:8.31-2ubuntu2.2
12.04 LTS precise
Fixed 8.12-4ubuntu0.2

Notes

tyhicks

Issue affects PCRE3 only Marking 'low' since it requires PCRE to operate on untrusted regular expressions which is not very likely

mdeslaur

0001-Add-missing-integer-overflow-checks.patch in jessie

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
pcre3

Severity score breakdown

Parameter Value
Base score 9.8 · Critical
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H