CVE-2018-18313
Perl before 5.26.3 has a buffer over-read via a crafted regular expression that triggers disclosure of sensitive information from process memory.
02 Description
Perl before 5.26.3 has a buffer over-read via a crafted regular expression that triggers disclosure of sensitive information from process memory.
03 Exploitation and scoring
- 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
- 9.52% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 95.2% of scored records. A rank, not a probability.
- NVD base score
- 9.1 (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:N/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Low. 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.
04 Metadata
- 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-125Out-of-bounds ReadBase
- Data version
- 5.1
- Document digest
- 49d8828bb3d30dd3bce75fb47388f5e6d798ca9d78c11de2390a4d2fbeded169
05 Affected products
06 References
- www.debian.orgDSA-4347https://www.debian.org/security/2018/dsa-4347
- www.securitytracker.com1042181http://www.securitytracker.com/id/1042181
- access.redhat.comRHSA-2019:0010https://access.redhat.com/errata/RHSA-2019:0010
- usn.ubuntu.comUSN-3834-2https://usn.ubuntu.com/3834-2/
- lists.fedoraproject.orgFEDORA-2018-9dbe983805https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RWQGEB543QN7SSBRKYJM6PSOC3RLYGSM/
- access.redhat.comRHSA-2019:0001https://access.redhat.com/errata/RHSA-2019:0001
- usn.ubuntu.comUSN-3834-1https://usn.ubuntu.com/3834-1/
- 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/42
- 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/49
- security.gentoo.orgGLSA-201909-01https://security.gentoo.org/glsa/201909-01
- www.oracle.comhttps://www.oracle.com/security-alerts/cpujul2020.html
- support.apple.comhttps://support.apple.com/kb/HT209600
- security.netapp.comhttps://security.netapp.com/advisory/ntap-20190221-0003/
- metacpan.orghttps://metacpan.org/changes/release/SHAY/perl-5.26.3
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1646738
- rt.perl.orghttps://rt.perl.org/Ticket/Display.html?id=133192
- github.comhttps://github.com/Perl/perl5/commit/43b2f4ef399e2fd7240b4eeb0658686ad95f8e62
07 Fixed in
Debian 12
- perl Fixed in 5.28.0-3
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- perl Fixed in 5.28.0-3
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- perl Fixed in 5.28.0-3
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- perl Fixed in 5.18.2-2ubuntu1.7
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- perl Fixed in 5.22.1-9ubuntu0.6
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- perl Fixed in 5.26.1-6ubuntu0.3
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.