CVE-2018-6798 — Out-of-bounds Read in Perl

CWE-125 — Out-of-bounds Read11 documents8 sources
Severity
7.5HIGHNVD
EPSS
1.6%
top 18.25%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
6
PerlDebian PerlCanonical Ubuntu Linux+3 more
Timeline
PublishedApr 17
Latest updateMay 13

Description

An issue was discovered in Perl 5.22 through 5.26. Matching a crafted locale dependent regular expression can cause a heap-based buffer over-read and potentially information disclosure.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NExploitability: 3.9 | Impact: 3.6

Affected Packages6 packages

▶debiandebian/perl< perl 5.26.1-6 (bookworm)
▶Debianperl/perl< 5.26.1-6+3
▶Ubuntuperl/perl< 5.18.2-2ubuntu1.4+1
▶NVDperl/perl5.22 — 5.26

Also affects: Debian Linux 7.0, 8.0, 9.0, Ubuntu Linux 14.04, 16.04, 17.10

🔴Vulnerability Details

4
GHSA
GHSA-pfh3-76fp-4978: An issue was discovered in Perl 5↗2022-05-13
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OSV
CVE-2018-6798: An issue was discovered in Perl 5↗2018-04-17
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CVEList
CVE-2018-6798: An issue was discovered in Perl 5↗2018-04-17
▶
OSV
perl vulnerabilities↗2018-04-16
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📋Vendor Advisories

3
Ubuntu
Perl vulnerabilities↗2018-04-16
▶
Red Hat
perl: heap read overflow in regexec.c↗2018-04-14
▶
Debian
CVE-2018-6798: perl - An issue was discovered in Perl 5.22 through 5.26. Matching a crafted locale dep...↗2018
▶

💬Community

3
Bugzilla
CVE-2018-6798 perl: heap read overflow in regexec.c [fedora-all]↗2018-04-16
▶
Bugzilla
CVE-2018-6797 perl: heap write overflow in regcomp.c↗2018-02-21
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Bugzilla
CVE-2018-6798 perl: heap read overflow in regexec.c↗2018-02-21
▶