perl: ambiguous environment variables handling
Published Apr 8, 2016
7.5
HIGHCVSS 3.1
EPSS 9.08%
Description
Perl might allow context-dependent attackers to bypass the taint protection mechanism in a child process via duplicate environment variables in envp.
Affected products
No data.
Configuration 2
- 7.0
- 8.0
Configuration 3
- 7.5
- < 12.1.2.0.4
- 12.1.2.0.6
- 11.2.0.4
- 12.1.0.2
- 12.2.0.1
- 18c
- 19c
- 13.2.0.0.0
- 13.3.0.0.0
- < 18.1.2.1.0
- 11.3
Configuration 5
- 12.04
- 14.04
- 15.10
No data.
Red Hat Hardened Images
perl-main-1.03-524.hum1
Fixed · RHSA-2026:6206
Red Hat Directory Server 8
perl
Will not fix
Red Hat Enterprise Linux 5
perl
Will not fix
Red Hat Enterprise Linux 6
perl
Will not fix
Red Hat Enterprise Linux 7
perl
Will not fix
Red Hat Software Collections
perl516-perl
Will not fix
Red Hat Software Collections
rh-perl520-perl
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Hardened Images | perl-main-1.03-524.hum1 | Fixed | RHSA-2026:6206 |
| Red Hat Directory Server 8 | perl | Will not fix | n/a |
| Red Hat Enterprise Linux 5 | perl | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | perl | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | perl | Will not fix | n/a |
| Red Hat Software Collections | perl516-perl | Will not fix | n/a |
| Red Hat Software Collections | rh-perl520-perl | Will not fix | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (19 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 9.08% (0.09080) | 95.15th | v5 (v2026.06.15) |
| Jun 15, 2026 | 9.08% (0.09080) | 94.62th | v5 (v2026.06.15) |
| Apr 26, 2026 | 27.44% (0.27444) | 96.43th | v4 (v2025.03.14) |
| Dec 10, 2025 | 19.47% (0.19468) | 95.18th | v4 (v2025.03.14) |
| Oct 28, 2025 | 18.02% (0.18017) | 94.87th | v4 (v2025.03.14) |
| Oct 27, 2025 | 19.95% (0.19945) | 95.23th | v4 (v2025.03.14) |
| Oct 1, 2025 | 18.02% (0.18017) | 94.96th | v4 (v2025.03.14) |
| Jul 30, 2025 | 19.95% (0.19945) | 95.23th | v4 (v2025.03.14) |
| Jul 12, 2025 | 18.02% (0.18017) | 94.85th | v4 (v2025.03.14) |
| Jul 9, 2025 | 25.63% (0.25627) | 95.98th | v4 (v2025.03.14) |
| Jun 19, 2025 | 30.22% (0.30216) | 96.42th | v4 (v2025.03.14) |
| Mar 17, 2025 | 12.11% (0.12110) | 93.25th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.43% (0.00425) | 75.13th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.43% (0.00425) | 73.63th | v3 (v2023.03.01) |
| Nov 25, 2023 | 0.43% (0.00425) | 71.50th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.44% (0.00437) | 70.74th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.69% (0.02686) | 82.85th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.69% (0.02686) | 81.17th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.69% (0.02686) | 62.66th | v2 (v2022.01.01) |
References (17)
- http://lists.opensuse.org/opensuse-updates/2016-03/msg00112.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://perl5.git.perl.org/perl.git/commitdiff/ae37b791a73a9e78dedb89fb2429d2628cf58076 x_refsource_CONFIRMVendor Advisory
- http://www.debian.org/security/2016/dsa-3501 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.gossamer-threads.com/lists/perl/porters/326387 mailing-listx_refsource_MLISTThird Party Advisory
- http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html x_refsource_CONFIRMThird Party Advisory
- http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html x_refsource_CONFIRMThird Party Advisory
- http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html x_refsource_CONFIRMThird Party Advisory
- http://www.securityfocus.com/bid/83802 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/USN-2916-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2016-2381 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1309214 Issue Tracking
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731 x_refsource_CONFIRMThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2016-2381
- https://security.gentoo.org/glsa/201701-75 vendor-advisoryx_refsource_GENTOOThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2016-2381
- https://www.oracle.com/security-alerts/cpuapr2020.html x_refsource_MISCThird Party Advisory
- https://www.oracle.com/security-alerts/cpujul2020.html x_refsource_MISCThird Party Advisory
Change history (0)
No recorded changes yet.