CVE-2018-18311

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

11.67% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 95.8% of scored records. A rank, not a probability.

NVD base score

9.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Important. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2018-12-07 21:00Z7 YR AGO

Last updated

2024-08-05 11:08Z2 YR AGO

Reserved

2018-10-14

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-190Integer Overflow or WraparoundBase
• CWE-787Out-of-bounds WriteBase

Data version

5.1

Document digest

621ea184b741438c6a998afaba19e281a6ba0083fc3688caf41c2909fd15e5eb

• lists.debian.org[debian-lts-announce] 20181130 [SECURITY] [DLA 1601-1] perl security updatehttps://lists.debian.org/debian-lts-announce/2018/11/msg00039.htmlmailing-listx_refsource_MLIST
• www.debian.orgDSA-4347https://www.debian.org/security/2018/dsa-4347vendor-advisoryx_refsource_DEBIAN
• www.securityfocus.com106145http://www.securityfocus.com/bid/106145vdb-entryx_refsource_BID
• www.securitytracker.com1042181http://www.securitytracker.com/id/1042181vdb-entryx_refsource_SECTRACK
• access.redhat.comRHSA-2019:0010https://access.redhat.com/errata/RHSA-2019:0010vendor-advisoryx_refsource_REDHAT
• usn.ubuntu.comUSN-3834-2https://usn.ubuntu.com/3834-2/vendor-advisoryx_refsource_UBUNTU
• lists.fedoraproject.orgFEDORA-2018-9dbe983805https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RWQGEB543QN7SSBRKYJM6PSOC3RLYGSM/vendor-advisoryx_refsource_FEDORA
• access.redhat.comRHSA-2019:0001https://access.redhat.com/errata/RHSA-2019:0001vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2019:0109https://access.redhat.com/errata/RHSA-2019:0109vendor-advisoryx_refsource_REDHAT
• usn.ubuntu.comUSN-3834-1https://usn.ubuntu.com/3834-1/vendor-advisoryx_refsource_UBUNTU
• seclists.org20190326 APPLE-SA-2019-3-25-2 macOS Mojave 10.14.4, Security Update 2019-002 High Sierra, Security Update 2019-002 Sierrahttps://seclists.org/bugtraq/2019/Mar/42mailing-listx_refsource_BUGTRAQ
• seclists.org20190326 APPLE-SA-2019-3-25-2 macOS Mojave 10.14.4, Security Update 2019-002 High Sierra, Security Update 2019-002 Sierrahttp://seclists.org/fulldisclosure/2019/Mar/49mailing-listx_refsource_FULLDISC
• access.redhat.comRHBA-2019:0327https://access.redhat.com/errata/RHBA-2019:0327vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2019:1790https://access.redhat.com/errata/RHSA-2019:1790vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2019:1942https://access.redhat.com/errata/RHSA-2019:1942vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2019:2400https://access.redhat.com/errata/RHSA-2019:2400vendor-advisoryx_refsource_REDHAT
• security.gentoo.orgGLSA-201909-01https://security.gentoo.org/glsa/201909-01vendor-advisoryx_refsource_GENTOO
• www.oracle.comhttps://www.oracle.com/security-alerts/cpuapr2020.htmlx_refsource_MISC
• www.oracle.comhttps://www.oracle.com/security-alerts/cpujul2020.htmlx_refsource_MISC
• www.oracle.comhttps://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.htmlx_refsource_MISC
• support.apple.comhttps://support.apple.com/kb/HT209600x_refsource_CONFIRM
• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1646730x_refsource_CONFIRM
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20190221-0003/x_refsource_CONFIRM
• metacpan.orghttps://metacpan.org/changes/release/SHAY/perl-5.26.3x_refsource_CONFIRM
• metacpan.orghttps://metacpan.org/changes/release/SHAY/perl-5.28.1x_refsource_CONFIRM
• rt.perl.orghttps://rt.perl.org/Ticket/Display.html?id=133204x_refsource_CONFIRM
• github.comhttps://github.com/Perl/perl5/commit/34716e2a6ee2af96078d62b065b7785c001194bex_refsource_CONFIRM
• kc.mcafee.comhttps://kc.mcafee.com/corporate/index?page=content&id=SB10278x_refsource_CONFIRM