CVE-2015-8380

Exp

The pcre_exec function in pcre_exec.c in PCRE before 8.38 mishandles a // pattern with a \01 string, which allows remote attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror.

Published: 2015-12-02 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2015-8380 is rated High Exploit Risk (72.6/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.24%). Core evidence: 3 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2015-8380

EDB-ID Source Kind Published Link
nvd_ref exploit_tag Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2015-8380

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-06-29 1.05% 1.24% +0.19%
2 2025-03-30 2.11% 1.05% -1.06%
3 2025-03-29 2.11%

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-8380

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 6.4 [email protected]

Weakness enumeration for CVE-2015-8380

OS Trackers for CVE-2015-8380

vendor priority summary link
debian unimportant CVE-2015-8380 unimportant priority: Debian including 2 source packages (pcre2, pcre3), 7 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 7. https://security-tracker.debian.org/tracker/CVE-2015-8380
gentoo normal CVE-2015-8380: 1 GLSA(s) (201607-02), 1 atom(s) (dev-libs/libpcre); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2015-8380
redhat https://access.redhat.com/security/cve/CVE-2015-8380
suse high CVE-2015-8380 severity important: SUSE including 42 source package names (0.9.1:libpcre1-8.39-7.1, 1.0.0:libpcre1-8.39-7.1, …), 258 product×package rows across 94 product lines (Container caasp/v4/default-http-backend, Container caasp/v4/dnsmasq-nanny, … (94 product lines)): Fixed 145, Known Not Affected 113. https://www.suse.com/security/cve/CVE-2015-8380/
ubuntu low CVE-2015-8380 low priority: Ubuntu including 2 source packages (pcre2, pcre3), 16 status rows across 8 suites (precise, trusty, upstream, vivid, wily, xenial, yakkety, zesty): not-affected 8, DNE 4, released 3, ignored 1. https://ubuntu.com/security/CVE-2015-8380

Affected software / configurations for CVE-2015-8380

Vendor Product Version Raw CPE
pcre perl_compatible_regular_expression_library <= 8.37 cpe:2.3:a:pcre:perl_compatible_regular_expression_library:*:*:*:*:*:*:*:*
fedoraproject fedora 22 cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:*

References for CVE-2015-8380

cvelogic Threat Intelligence