Is CVE-2015-2328 in the CISA KEV catalog?

No. CVE-2015-2328 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2015-2328?

CVE-2015-2328 has a CVSS v2 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2015-2328?

CVE-2015-2328 has an EPSS score of 5.24% (91th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2015-2328?

Upgrade pcre3 on debian 11 to 2:8.35-7.2 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2015-2328

HIGHEPSS 91th pctl

7.5

CVSS v2

NVD

Description

PCRE before 8.36 mishandles the /((?(R)a|(?1)))+/ pattern and related patterns with certain recursion, which allows remote attackers to cause a denial of service (segmentation fault) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror.

CWE-19

How to fix

Remediation Available

pcre3Debian

Fixed in:2:8.35-7.2CVE-2015-2328

libpcre3Ubuntu

Fixed in:1:8.31-2ubuntu2.2USN-2943-1

pcre3Ubuntu

Fixed in:1:8.31-2ubuntu2.2USN-2943-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

5.24%probability of exploitation in 30 days

91stpercentile

High risk: more likely to be exploited than 91% of all known CVEs.

References

Exploit2

Third-Party Advisory4

Other references4

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.