Critical severity9.8NVD Advisory· Published Apr 17, 2018· Updated Jun 17, 2026
CVE-2018-6797
CVE-2018-6797
Description
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
24cpe:2.3:a:perl:perl:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:perl:perl:*:*:*:*:*:*:*:*range: >=5.18,<=5.26
- (no CPE)range: 5.18 - 5.26
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*+ 1 more
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*+ 4 more
- cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server:7.3:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server:7.4:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server:7.5:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server:7.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
- osv-coords11 versionspkg:rpm/suse/perl&distro=SUSE%20Enterprise%20Storage%204pkg:rpm/suse/perl&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP3pkg:rpm/suse/perl&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1-LTSSpkg:rpm/suse/perl&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/perl&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-LTSSpkg:rpm/suse/perl&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3pkg:rpm/suse/perl&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSSpkg:rpm/suse/perl&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/perl&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/perl&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/perl&distro=SUSE%20OpenStack%20Cloud%207
< 5.18.2-12.14.1+ 10 more
- (no CPE)range: < 5.18.2-12.14.1
- (no CPE)range: < 5.18.2-12.11.1
- (no CPE)range: < 5.18.2-12.14.1
- (no CPE)range: < 5.18.2-12.14.1
- (no CPE)range: < 5.18.2-12.14.1
- (no CPE)range: < 5.18.2-12.11.1
- (no CPE)range: < 5.18.2-12.14.1
- (no CPE)range: < 5.18.2-12.14.1
- (no CPE)range: < 5.18.2-12.14.1
- (no CPE)range: < 5.18.2-12.11.1
- (no CPE)range: < 5.18.2-12.14.1
Patches
Vulnerability mechanics
References
8- rt.perl.org/Public/Bug/Display.htmlnvdPatchVendor Advisory
- www.securitytracker.com/id/1040681nvdThird Party AdvisoryVDB Entry
- www.securitytracker.com/id/1042004nvdThird Party AdvisoryVDB Entry
- access.redhat.com/errata/RHSA-2018:1192nvdThird Party Advisory
- usn.ubuntu.com/3625-1/nvdThird Party Advisory
- www.debian.org/security/2018/dsa-4172nvdThird Party Advisory
- security.gentoo.org/glsa/201909-01nvd
- www.oracle.com/security-alerts/cpujul2020.htmlnvd
News mentions
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