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Fencer Intel
high 7.8

CVE-2016-6185 json

The XSLoader::load method in XSLoader in Perl does not properly locate .so files when called in a string eval, which might allow local user…

published 2016-08-02 10 y ago modified 2026-06-17 4 mo ago also EUVD-2016-7119

cvss
7.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 56%
public exploits
0
none known

Summary

The XSLoader::load method in XSLoader in Perl does not properly locate .so files when called in a string eval, which might allow local users to execute arbitrary code via a Trojan horse library under the current working directory.

Patch / fix

  • perl perl 5.24.1, 5.25.3
  • perl Debian 14, Debian 13, Debian 12 5.22.2-2

debian advisories DEBIAN-CVE-2016-6185

  • perl Ubuntu 14.04 LTS 5.18.2-2ubuntu1.4
  • perl Ubuntu 16.04 LTS 5.22.1-9ubuntu0.3

ubuntu advisories UBUNTU-CVE-2016-6185

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • perl SLES for SAP 12 SP1, SLES 12 SP1, SLED 12 SP1 5.18.2-11.1
  • perl SLES for SAP 11 SP4, SLES 11 SP4, SLE Software Development Kit 11 SP4 5.10.0-64.80.1

suse advisories SUSE-SU-2016:2263-1SUSE-SU-2016:2246-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2016-6185 updated cvss 7.3

perl: XSLoader loads relative paths not included in @INC

  • Red Hat Enterprise Linux 5 perl Red Hat Enterprise Linux 6 perl, perl-CGI, perl-core, perl-CPAN, perl-libs, perl-parent, +39 more Red Hat Enterprise Linux 7 perl, perl-core, perl-CPAN, perl-libs, perl-tests, perl-macros, +11 more Red Hat Software Collections rh-perl520-perl, rh-perl524-perl, rh-perl524-perl-IO, rh-perl520-perl-core, rh-perl520-perl-libs, rh-perl524-perl-core, +34 more
    affected: no fix planned “Will not fix”

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.79% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • rt.cpan.org https://rt.cpan.org/Public/Bug/Display.html?id=115808 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 4.6 AV:L/AC:L/Au:N/C:P/I:P/A:P

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.