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.
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.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| 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 |
| 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:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://lists.fedoraproject.org/pipermail/package-announce/2015-December/173700.html | Third Party Advisory |
| http://vcs.pcre.org/pcre/code/trunk/ChangeLog?view=markup | Exploit |
| http://www.openwall.com/lists/oss-security/2015/11/29/1 | Exploit |
| http://www.securityfocus.com/bid/77695 | Third Party Advisory VDB Entry |
| https://blog.fuzzing-project.org/29-Heap-Overflow-in-PCRE.html | Third Party Advisory |
| https://bto.bluecoat.com/security-advisory/sa128 | Third Party Advisory |
| https://bugs.exim.org/show_bug.cgi?id=1637 | Exploit |
| https://security.gentoo.org/glsa/201607-02 |