CVE-2016-2381: canonical ubuntu_linux Improper Input Validation
Vulnerability summary
CVE-2016-2381 is a high (CVSS 7.5) Improper Input Validation vulnerability in canonical ubuntu_linux. EPSS estimates a 9.08% chance of exploitation in the next 30 days, higher than 95.3% of scored vulnerabilities.
Severe, CVSS 7.5 (NVD); no exploitation reported by the 5 checked sources; EPSS 9% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 4 · Related 3Timeline
- 08-04-2016PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
Perl might allow context-dependent attackers to bypass the taint protection mechanism in a child process via duplicate environment variables in envp.
CVSS metrics
5 scores · 3 sources · 3 versions- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS trend
Probability
9.08%
Chance of exploitation in the next 30 days
Percentile
95%
Versus all other CVEs
30-day change
No change 0.00 pp
From 9.08% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Oracle6 products
- communications_billing_and_revenue_management7.5
- configuration_manager< 12.1.2.0.4 | 12.1.2.0.6
- database_server11.2.0.4 | 12.1.0.2 | 12.2.0.1 | 18c | 19c
- enterprise_manager_base_platform13.2.0.0.0 | 13.3.0.0.0
- solarisEOL11.3
Debian2 products
- perl< 5.22.1-8 | < 5.14.2-21+deb7u3 | < 5.20.2-3+deb8u4
- debian_linuxEOL7.0 | 8.0
Canonical1 product
- ubuntu_linuxEOL12.04 | 14.04 | 15.10
Mageia1 product
- perl< 5.20.1-8.2.mga5
Opensuse1 product
- opensuseEOL13.2
Perl1 product
- perl< 5.23.9
Ubuntu1 product
- perl< 5.18.2-2ubuntu1.1
7 vendors · 13 products
References
20 links
- lists.opensuse.org/opensuse-updates/2016-03/msg00112.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731X Refsource CONFIRMThird Party Advisory
- www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.htmlX Refsource CONFIRMThird Party Advisory
Show all 20 references
- www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.htmlX Refsource CONFIRMThird Party Advisory
- www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.htmlX Refsource CONFIRMThird Party Advisory
- perl5.git.perl.org/perl.git/commitdiff/ae37b791a73a9e78dedb89fb2429d2628cf58076X Refsource CONFIRMVendor Advisory