Buffer overflow in Pcre Perl Compatible Regular Expression Library
CVE-2015-8389
PCRE before 8.38 mishandles the /(?:|a|){100}x/ pattern and related patterns, which allows remote attackers to cause a denial of service (infinite recursion) 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: 0.039 (90.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 90.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.039 · newest: 0.039 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.openwall.com/lists/oss-security/2015/11/29/1 (mailing-list, Mailing List, Third Party Advisory)
- www.securityfocus.com/bid/82990 (VDB Entry, Third Party Advisory, vdb-entry)
- lists.fedoraproject.org/pipermail/package-announce/2016-January/174931.html (vendor-advisory, Third Party Advisory)
- h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay (Third Party Advisory)
- bto.bluecoat.com/security-advisory/sa128 (Permissions Required, Third Party Advisory)
- vcs.pcre.org/pcre/code/trunk/ChangeLog (Release Notes, Vendor Advisory)
- security.gentoo.org/glsa/201607-02 (vendor-advisory, Third Party Advisory)
- security.netapp.com/advisory/ntap-20230216-0002/
Frequently asked questions
- What is CVE-2015-8389?
- CVE-2015-8389 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-2015-8389?
- Critical severity. CVSS v3 base score is 9.8 out of 10.