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CVE-2015-3217
PCRE 7.8 and 8.32 through 8.37, and PCRE2 10.10 mishandle group empty matches, which might allow remote attackers to cause a denial of…
High7.5EPSS 6.2%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
PCRE 7.8 and 8.32 through 8.37, and PCRE2 10.10 mishandle group empty matches, which might allow remote attackers to cause a denial of service (stack-based buffer overflow) via a crafted regular expression, as demonstrated by /^(?:(?(1)\\.|([^\\\\W_])?)+)+$/.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | High7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 6.2% · top 6.5% of all CVEs (4 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
Affected products
n/a
- affected n/a
References (10)
- RHSA-2016:1132 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- http://vcs.pcre.org/pcre?view=revision&revision=1566 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://bugs.exim.org/show_bug.cgi?id=1638 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- [oss-security] 20150603 CVE-2015-3217: PCRE Library Call Stack Overflow Vulnerability in match() (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- http://www-01.ibm.com/support/docview.wss?uid=isg3T1023886 (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2016:1025 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2016:2750 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=1228283 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 75018 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2015-3217)Record last updated .