peter bassill · operator
$ cve CVE-2015-8394 JSON

CVE-2015-8394

9.8
CRITICAL · CVSS 3.1 · EPSS 4.8% (pctl 92)

In your normal cycle

Critical by CVSS (9.8), but no sign of active exploitation.

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.

Scoring

CVSS9.8 (CRITICAL, v3.1)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS4.82% — more likely to be exploited than 92% of all CVEs
WeaknessCWE-190
On CISA KEVno
Public exploitnone known
Published2015-12-02
Last modified2026-06-17

Affected (2)

VendorProduct
pcreperl compatible regular expression library
phpphp

References

→ the Explorer  ·  watch your stack  ·  NVD