CVE-2018-18314
Perl before 5.26.3 has a buffer overflow via a crafted regular expression that triggers invalid write operations.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (6.06%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Perl before 5.26.3 has a buffer overflow via a crafted regular expression that triggers invalid write operations.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 6.06% probability · 93th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- perl/perl · canonical/ubuntu linux · debian/debian linux · netapp/e-series santricity os controller · netapp/snap creator framework · netapp/snapcenter · netapp/snapdrive · redhat/enterprise linux
- Source
- cve@mitre.org
EPSS 6.1% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.securityfocus.com/bid/106145Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1042181Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2019:0001Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:0010Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1646751Issue Tracking, Patch, Third Party Advisory
- https://github.com/Perl/perl5/commit/19a498a461d7c81ae3507c450953d1148efecf4fPatch, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RWQGEB543QN7SSBRKYJM6PSOC3RLYGSM/
- https://metacpan.org/changes/release/SHAY/perl-5.26.3Third Party Advisory
- https://rt.perl.org/Ticket/Display.html?id=131649Exploit, Patch, Third Party Advisory
- https://security.gentoo.org/glsa/201909-01
- https://security.netapp.com/advisory/ntap-20190221-0003/Patch, Third Party Advisory
- https://usn.ubuntu.com/3834-1/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4347Third Party Advisory
- https://www.oracle.com/security-alerts/cpujul2020.html
- http://www.securityfocus.com/bid/106145Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1042181Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2019:0001Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:0010Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1646751Issue Tracking, Patch, Third Party Advisory
- https://github.com/Perl/perl5/commit/19a498a461d7c81ae3507c450953d1148efecf4fPatch, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RWQGEB543QN7SSBRKYJM6PSOC3RLYGSM/
- https://metacpan.org/changes/release/SHAY/perl-5.26.3Third Party Advisory
- https://rt.perl.org/Ticket/Display.html?id=131649Exploit, Patch, Third Party Advisory
- https://security.gentoo.org/glsa/201909-01
- https://security.netapp.com/advisory/ntap-20190221-0003/Patch, Third Party Advisory
- https://usn.ubuntu.com/3834-1/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4347Third Party Advisory
- https://www.oracle.com/security-alerts/cpujul2020.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.