Buffer overflow in Pcre Perl Compatible Regular Expression Library

CVE-2015-8383

PCRE before 8.38 mishandles certain repeated conditional groups, which allows remote attackers to cause a denial of service (buffer overflow) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.061 (93.2th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 93.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2015-8383: held from 0.061 to 0.061.

EPSS over last 30 days · oldest: 0.061 · newest: 0.061 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2015-8383?
CVE-2015-8383 is a critical-severity vulnerability in Pcre Perl Compatible Regular Expression Library, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2015-12-02.
How severe is CVE-2015-8383?
Critical severity. CVSS v3 base score is 9.8 out of 10.