CVE-2015-2326
CVSS V2 Medium 4.3
CVSS V3 Medium 5.5
Description
The pcre_compile2 function in PCRE before 8.37 allows context-dependent attackers to compile incorrect code and cause a denial of service (out-of-bounds read) via regular expression with a group containing both a forward referencing subroutine call and a recursive back reference, as demonstrated by "((?+1)(\1))/".
Overview
- CVE ID
- CVE-2015-2326
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2020-01-14T17:15:12
- Last Modified Date
- 2023-01-19T16:38:17
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:pcre:pcre:*:*:*:*:*:*:*:* | 1 | OR | 8.37 | |
| cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:* | 1 | OR | 10.0.0 | 10.0.18 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:N/C:N/I:N/A:P
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- PARTIAL
- Base Score
- 4.3
- Severity
- MEDIUM
- Exploitability Score
- 8.6
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- Attack Vector
- LOCAL
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 5.5
- Base Severity
- MEDIUM
- Exploitability Score
- 1.8
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://bugs.exim.org/show_bug.cgi?id=1592 | Exploit Issue Tracking Third Party Advisory |
| https://fortiguard.com/zeroday/FG-VD-15-016 | Third Party Advisory |
| http://lists.opensuse.org/opensuse-updates/2015-05/msg00014.html | Mailing List Third Party Advisory |
| https://www.pcre.org/original/changelog.txt | Release Notes |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2015-2326 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-2326 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 16:52:35 | Added to TrackCVE | |||
| 2022-12-04 09:22:27 | 2020-01-14T17:15Z | 2020-01-14T17:15:12 | CVE Published Date | updated |
| 2022-12-04 09:22:27 | 2022-08-04T19:59:43 | CVE Modified Date | updated | |
| 2022-12-04 09:22:27 | Undergoing Analysis | Vulnerability Status | updated | |
| 2023-01-19 17:09:20 | 2023-01-19T16:38:17 | CVE Modified Date | updated | |
| 2023-01-19 17:09:20 | Undergoing Analysis | Analyzed | Vulnerability Status | updated |