CVE catalog
CVE-2018-6797
perl: CVE-2018-6797
- Severity
- High · CVSS 8.1
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 6.48% · Oct 25, 2026
An issue was discovered in Perl 5.18 through 5.26. A crafted regular expression can cause a heap-based buffer overflow, with control over the bytes written.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | perl | sid | 5.42.3-1 | fixed |
| Debian | perl | forky | 5.42.3-1 | fixed |
| Debian | perl | trixie | 5.40.1-6+deb13u1 | fixed |
| Debian | perl | bookworm | 5.36.0-7+deb12u3 | fixed |
| Debian | perl | bookworm-security | 5.36.0-7+deb12u4 | fixed |
| Ubuntu | perl | pro | 5.14.2-21build1 | vulnerable |
| Ubuntu | perl | pro | 5.18.1-4 | vulnerable |
| Ubuntu | perl | pro | 5.18.1-4build1 | vulnerable |
| Ubuntu | perl | pro | 5.18.1-5 | vulnerable |
| Ubuntu | perl | pro | 5.18.2-2 | vulnerable |
| Ubuntu | perl | pro | 5.18.2-2ubuntu1 | vulnerable |
| Ubuntu | perl | pro | 5.18.2-2ubuntu1.1 | vulnerable |
| Ubuntu | perl | pro | 5.18.2-2ubuntu1.3 | vulnerable |
| Ubuntu | perl | pro | 5.18.2-2ubuntu1.4 | vulnerable |
| Ubuntu | perl | pro | 5.18.2-2ubuntu1.6 | vulnerable |
| Ubuntu | perl | pro | 5.18.2-2ubuntu1.7 | vulnerable |
| Ubuntu | perl | pro | 5.18.2-2ubuntu1.7+esm3 | vulnerable |
| Ubuntu | perl | pro | 5.18.2-2ubuntu1.7+esm4 | vulnerable |
| Ubuntu | perl | pro | 5.18.2-2ubuntu1.7+esm5 | vulnerable |
| Ubuntu | perl | pro | 5.18.2-2ubuntu1.7+esm7 | vulnerable |
| Ubuntu | perl | pro | 5.18.2-2ubuntu1.7+esm8 | vulnerable |
| Ubuntu | perl | pro | 5.18.2-2ubuntu1.7+esm9 | vulnerable |
| Ubuntu | perl | 16.04 | 5.20.2-6 | vulnerable |
| Ubuntu | perl | 16.04 | 5.22.1-3 | vulnerable |
| Ubuntu | perl | 16.04 | 5.22.1-4 | vulnerable |
| Ubuntu | perl | 16.04 | 5.22.1-5 | vulnerable |
| Ubuntu | perl | 16.04 | 5.22.1-7 | vulnerable |
| Ubuntu | perl | 16.04 | 5.22.1-8 | vulnerable |
| Ubuntu | perl | 16.04 | 5.22.1-9 | vulnerable |
| Ubuntu | perl | 16.04 | 5.22.1-9ubuntu0.2 | vulnerable |
| Ubuntu | perl | 16.04 | 5.22.1-9ubuntu0.3 | fixed |
| Alpine | perl | 3.10 | 5.26.2-r0 | fixed |
| Alpine | perl | 3.11 | 5.26.2-r0 | fixed |
| Alpine | perl | 3.12 | 5.26.2-r0 | fixed |
| Alpine | perl | 3.13 | 5.26.2-r0 | fixed |
| Alpine | perl | 3.14 | 5.26.2-r0 | fixed |
| Alpine | perl | 3.15 | 5.26.2-r0 | fixed |
| Alpine | perl | 3.16 | 5.26.2-r0 | fixed |
| Alpine | perl | 3.17 | 5.26.2-r0 | fixed |
| Alpine | perl | 3.18 | 5.26.2-r0 | fixed |
| Alpine | perl | 3.19 | 5.26.2-r0 | fixed |
| Alpine | perl | 3.20 | 5.26.2-r0 | fixed |
| Alpine | perl | 3.21 | 5.26.2-r0 | fixed |
| Alpine | perl | 3.22 | 5.26.2-r0 | fixed |
| Alpine | perl | 3.23 | 5.26.2-r0 | fixed |
| Alpine | perl | 3.24 | 5.26.2-r0 | fixed |
| Alpine | perl | 3.5 | 5.24.4-r0 | fixed |
| Alpine | perl | 3.6 | 5.24.4-r0 | fixed |
| Alpine | perl | 3.7 | 5.26.2-r0 | fixed |
| Alpine | perl | 3.8 | 5.26.2-r0 | fixed |
| Alpine | perl | 3.9 | 5.26.2-r0 | fixed |
| Suse | perl | linux enterprise desktop 12 sp3 | 5.18.2-12.11.1 | fixed |
| Suse | perl | linux enterprise server 12 sp3 | 5.18.2-12.11.1 | fixed |
| Suse | perl | linux enterprise server for sap applications 12 sp3 | 5.18.2-12.11.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | perl | source | sid | 5.26.1-6 | not yet assigned | Not reported | Not reported |
| Debian | perl | source | forky | 5.26.1-6 | not yet assigned | Not reported | Not reported |
| Debian | perl | source | trixie | 5.26.1-6 | not yet assigned | Not reported | Not reported |
| Debian | perl | source | bookworm | 5.26.1-6 | not yet assigned | Not reported | Not reported |
| Ubuntu | perl | deb | 16.04 | 5.22.1-9ubuntu0.3 | Not reported | UBUNTU-CVE-2018-6797 | Not reported |
| Alpine | perl | apk | 3.10 | 5.26.2-r0 | Not reported | ALPINE-CVE-2018-6797 | Not reported |
| Alpine | perl | apk | 3.11 | 5.26.2-r0 | Not reported | ALPINE-CVE-2018-6797 | Not reported |
| Alpine | perl | apk | 3.12 | 5.26.2-r0 | Not reported | ALPINE-CVE-2018-6797 | Not reported |
| Alpine | perl | apk | 3.13 | 5.26.2-r0 | Not reported | ALPINE-CVE-2018-6797 | Not reported |
| Alpine | perl | apk | 3.14 | 5.26.2-r0 | Not reported | ALPINE-CVE-2018-6797 | Not reported |
| Alpine | perl | apk | 3.15 | 5.26.2-r0 | Not reported | ALPINE-CVE-2018-6797 | Not reported |
| Alpine | perl | apk | 3.16 | 5.26.2-r0 | Not reported | ALPINE-CVE-2018-6797 | Not reported |
| Alpine | perl | apk | 3.17 | 5.26.2-r0 | Not reported | ALPINE-CVE-2018-6797 | Not reported |
| Alpine | perl | apk | 3.18 | 5.26.2-r0 | Not reported | ALPINE-CVE-2018-6797 | Not reported |
| Alpine | perl | apk | 3.19 | 5.26.2-r0 | Not reported | ALPINE-CVE-2018-6797 | Not reported |
| Alpine | perl | apk | 3.20 | 5.26.2-r0 | Not reported | ALPINE-CVE-2018-6797 | Not reported |
| Alpine | perl | apk | 3.21 | 5.26.2-r0 | Not reported | ALPINE-CVE-2018-6797 | Not reported |
| Alpine | perl | apk | 3.22 | 5.26.2-r0 | Not reported | ALPINE-CVE-2018-6797 | Not reported |
| Alpine | perl | apk | 3.23 | 5.26.2-r0 | Not reported | ALPINE-CVE-2018-6797 | Not reported |
| Alpine | perl | apk | 3.24 | 5.26.2-r0 | Not reported | ALPINE-CVE-2018-6797 | Not reported |
| Alpine | perl | apk | 3.5 | 5.24.4-r0 | Not reported | ALPINE-CVE-2018-6797 | Not reported |
| Alpine | perl | apk | 3.6 | 5.24.4-r0 | Not reported | ALPINE-CVE-2018-6797 | Not reported |
| Alpine | perl | apk | 3.7 | 5.26.2-r0 | Not reported | ALPINE-CVE-2018-6797 | Not reported |
| Alpine | perl | apk | 3.8 | 5.26.2-r0 | Not reported | ALPINE-CVE-2018-6797 | Not reported |
| Alpine | perl | apk | 3.9 | 5.26.2-r0 | Not reported | ALPINE-CVE-2018-6797 | Not reported |
| Suse | perl | rpm | linux enterprise desktop 12 sp3 | 5.18.2-12.11.1 | Not reported | SUSE-SU-2018:1074-1 | Not reported |
| Suse | perl | rpm | linux enterprise server 12 sp3 | 5.18.2-12.11.1 | Not reported | SUSE-SU-2018:1074-1 | Not reported |
| Suse | perl | rpm | linux enterprise server for sap applications 12 sp3 | 5.18.2-12.11.1 | Not reported | SUSE-SU-2018:1074-1 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libperl5.36]Fixed
Source package: [perl]
Details (4)
5.36.0-7+deb12u3· amd64 · bookwormFixed · Fixed:
5.26.1-6dsa · perl · debian · bookworm; dsa · perl · debian · 12
5.36.0-7+deb12u3· arm64 · bookwormFixed · Fixed:
5.26.1-6dsa · perl · debian · bookworm; dsa · perl · debian · 12
5.36.0-7+deb12u2· amd64 · bookworm-securityFixed · Fixed:
5.26.1-6dsa · perl · debian · bookworm; dsa · perl · debian · 12
5.36.0-7+deb12u2· arm64 · bookworm-securityFixed · Fixed:
5.26.1-6dsa · perl · debian · bookworm; dsa · perl · debian · 12
- [libperl-dev]Fixed
Source package: [perl]
Details (4)
5.36.0-7+deb12u3· amd64 · bookwormFixed · Fixed:
5.26.1-6dsa · perl · debian · bookworm; dsa · perl · debian · 12
5.36.0-7+deb12u3· arm64 · bookwormFixed · Fixed:
5.26.1-6dsa · perl · debian · bookworm; dsa · perl · debian · 12
5.36.0-7+deb12u2· amd64 · bookworm-securityFixed · Fixed:
5.26.1-6dsa · perl · debian · bookworm; dsa · perl · debian · 12
5.36.0-7+deb12u2· arm64 · bookworm-securityFixed · Fixed:
5.26.1-6dsa · perl · debian · bookworm; dsa · perl · debian · 12
- [perl]Fixed
Details (4)
5.36.0-7+deb12u3· amd64 · bookwormFixed · Fixed:
5.26.1-6dsa · perl · debian · bookworm; dsa · perl · debian · 12
5.36.0-7+deb12u3· arm64 · bookwormFixed · Fixed:
5.26.1-6dsa · perl · debian · bookworm; dsa · perl · debian · 12
5.36.0-7+deb12u2· amd64 · bookworm-securityFixed · Fixed:
5.26.1-6dsa · perl · debian · bookworm; dsa · perl · debian · 12
5.36.0-7+deb12u2· arm64 · bookworm-securityFixed · Fixed:
5.26.1-6dsa · perl · debian · bookworm; dsa · perl · debian · 12
- [perl-base]Fixed
Source package: [perl]
Details (4)
5.36.0-7+deb12u3· amd64 · bookwormFixed · Fixed:
5.26.1-6dsa · perl · debian · bookworm; dsa · perl · debian · 12
5.36.0-7+deb12u3· arm64 · bookwormFixed · Fixed:
5.26.1-6dsa · perl · debian · bookworm; dsa · perl · debian · 12
5.36.0-7+deb12u2· amd64 · bookworm-securityFixed · Fixed:
5.26.1-6dsa · perl · debian · bookworm; dsa · perl · debian · 12
5.36.0-7+deb12u2· arm64 · bookworm-securityFixed · Fixed:
5.26.1-6dsa · perl · debian · bookworm; dsa · perl · debian · 12
- [perl-debug]Fixed
Source package: [perl]
Details (4)
5.36.0-7+deb12u3· amd64 · bookwormFixed · Fixed:
5.26.1-6dsa · perl · debian · bookworm; dsa · perl · debian · 12
5.36.0-7+deb12u3· arm64 · bookwormFixed · Fixed:
5.26.1-6dsa · perl · debian · bookworm; dsa · perl · debian · 12
5.36.0-7+deb12u2· amd64 · bookworm-securityFixed · Fixed:
5.26.1-6dsa · perl · debian · bookworm; dsa · perl · debian · 12
5.36.0-7+deb12u2· arm64 · bookworm-securityFixed · Fixed:
5.26.1-6dsa · perl · debian · bookworm; dsa · perl · debian · 12
- [perl-doc]Fixed
Source package: [perl]
Details (4)
5.36.0-7+deb12u3· all · bookwormFixed · Fixed:
5.26.1-6dsa · perl · debian · bookworm; dsa · perl · debian · 12
5.36.0-7+deb12u3· all · bookwormFixed · Fixed:
5.26.1-6dsa · perl · debian · bookworm; dsa · perl · debian · 12
5.36.0-7+deb12u2· all · bookworm-securityFixed · Fixed:
5.26.1-6dsa · perl · debian · bookworm; dsa · perl · debian · 12
5.36.0-7+deb12u2· all · bookworm-securityFixed · Fixed:
5.26.1-6dsa · perl · debian · bookworm; dsa · perl · debian · 12
- [perl-modules-5.36]Fixed
Source package: [perl]
Details (4)
5.36.0-7+deb12u3· all · bookwormFixed · Fixed:
5.26.1-6dsa · perl · debian · bookworm; dsa · perl · debian · 12
5.36.0-7+deb12u3· all · bookwormFixed · Fixed:
5.26.1-6dsa · perl · debian · bookworm; dsa · perl · debian · 12
5.36.0-7+deb12u2· all · bookworm-securityFixed · Fixed:
5.26.1-6dsa · perl · debian · bookworm; dsa · perl · debian · 12
5.36.0-7+deb12u2· all · bookworm-securityFixed · Fixed:
5.26.1-6dsa · perl · debian · bookworm; dsa · perl · debian · 12
[Debian 13 (Trixie)]
- [libperl5.40]Fixed
Source package: [perl]
Details (2)
5.40.1-6· amd64 · trixieFixed · Fixed:
5.26.1-6dsa · perl · debian · 13
5.40.1-6· arm64 · trixieFixed · Fixed:
5.26.1-6dsa · perl · debian · 13
- [libperl-dev]Fixed
Source package: [perl]
Details (2)
5.40.1-6· amd64 · trixieFixed · Fixed:
5.26.1-6dsa · perl · debian · 13
5.40.1-6· arm64 · trixieFixed · Fixed:
5.26.1-6dsa · perl · debian · 13
- [perl]Fixed
Details (2)
5.40.1-6· amd64 · trixieFixed · Fixed:
5.26.1-6dsa · perl · debian · 13
5.40.1-6· arm64 · trixieFixed · Fixed:
5.26.1-6dsa · perl · debian · 13
- [perl-base]Fixed
Source package: [perl]
Details (2)
5.40.1-6· amd64 · trixieFixed · Fixed:
5.26.1-6dsa · perl · debian · 13
5.40.1-6· arm64 · trixieFixed · Fixed:
5.26.1-6dsa · perl · debian · 13
- [perl-debug]Fixed
Source package: [perl]
Details (2)
5.40.1-6· amd64 · trixieFixed · Fixed:
5.26.1-6dsa · perl · debian · 13
5.40.1-6· arm64 · trixieFixed · Fixed:
5.26.1-6dsa · perl · debian · 13
- [perl-doc]Fixed
Source package: [perl]
Details (2)
5.40.1-6· all · trixieFixed · Fixed:
5.26.1-6dsa · perl · debian · 13
5.40.1-6· all · trixieFixed · Fixed:
5.26.1-6dsa · perl · debian · 13
- [perl-modules-5.40]Fixed
Source package: [perl]
Details (2)
5.40.1-6· all · trixieFixed · Fixed:
5.26.1-6dsa · perl · debian · 13
5.40.1-6· all · trixieFixed · Fixed:
5.26.1-6dsa · perl · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/suse-su-2018_1074-1.json]
- [https://osv.dev/vulnerability/ALPINE-CVE-2018-6797]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2018-6797]
- [https://osv.dev/vulnerability/SUSE-SU-2018:1074-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2018-6797]
- [https://security-tracker.debian.org/tracker/CVE-2018-6797]
- [https://security.access.redhat.com/data/csaf/v2/vex/2018/cve-2018-6797.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2018/wid-sec-w-2024-1102.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]