CVE-2017-6004
Publication date 16 February 2017
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
The compile_bracket_matchingpath function in pcre_jit_compile.c in PCRE through 8.x before revision 1680 (e.g., the PHP 7.1.1 bundled version) allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via a crafted regular expression.
Status
Package | Ubuntu Release | Status |
---|---|---|
pcre3 | ||
22.04 LTS jammy |
Not affected
|
|
20.04 LTS focal |
Not affected
|
|
18.04 LTS bionic |
Not affected
|
|
16.04 LTS xenial |
Fixed 2:8.38-3.1ubuntu0.1~esm2
|
|
14.04 LTS trusty |
Not affected
|
|
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Package | Patch details |
---|---|
pcre3 |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.5 · High |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
References
Related Ubuntu Security Notices (USN)
- USN-5665-1
- PCRE vulnerabilities
- 10 October 2022