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CVE-2015-8394
PCRE before 8.38 mishandles the (?(<digits>) and (?(R<digits>) conditions, which allows remote attackers to cause a denial of service…
Critical9.8EPSS 4.8%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 4.8% · top 8.0% of all CVEs (4 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
Affected products
n/a
- affected n/a
References (8)
- [oss-security] 20151128 Re: Heap Overflow in PCRE (opens in a new tab)mailing-listx_transferred
- 82990 (opens in a new tab)vdb-entryx_transferred
- FEDORA-2015-eb896290d3 (opens in a new tab)vendor-advisoryx_transferred
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731 (opens in a new tab)x_transferred
- https://bto.bluecoat.com/security-advisory/sa128 (opens in a new tab)x_transferred
- http://vcs.pcre.org/pcre/code/trunk/ChangeLog?view=markup (opens in a new tab)x_transferred
- GLSA-201607-02 (opens in a new tab)vendor-advisoryx_transferred
- https://security.netapp.com/advisory/ntap-20230216-0002/ (opens in a new tab)x_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-2015-8394)Record last updated .