CLSA-2026-1784303555

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Import Source
https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1784303555.json
JSON Data
https://api.osv.dev/v1/vulns/CLSA-2026-1784303555
Upstream
CVE (2)
Published
2026-07-17T15:52:59Z
Modified
2026-10-26T09:30:09Z
Summary
Fix CVE(s): CVE-2026-13221, CVE-2026-57432
Details
  • SECURITY UPDATE: regex trie 16-bit next-offset overflow (GH#23388)
    • debian/patches/CVE-2026-13221.patch: do not build a trie when the branch-to-tail delta would overflow the 16-bit next-offset field in S_study_chunk() in regcomp.c
    • CVE-2026-13221
  • SECURITY UPDATE: integer overflow in pack/unpack structure sizing (S_measure_struct); a large repeat count wraps the signed size negative, leading to an out-of-bounds heap read
    • debian/patches/CVE-2026-57432.patch: integer overflow in pack/unpack structure sizing (S_measure_struct); a large repeat count wraps the signed size negative, leading to an out-of-bounds heap read
    • CVE-2026-57432
References

Affected packages

TuxCare:Ubuntu:18.04
libperl-dev

Package

Name
libperl-dev
Purl
pkg:deb/tuxcare/libperl-dev?distro=ubuntu-18.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
5.26.1-6ubuntu0.7+tuxcare.els3

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1784303555.json"
libperl5.26

Package

Name
libperl5.26
Purl
pkg:deb/tuxcare/libperl5.26?distro=ubuntu-18.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
5.26.1-6ubuntu0.7+tuxcare.els3

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1784303555.json"
perl

Package

Name
perl
Purl
pkg:deb/tuxcare/perl?distro=ubuntu-18.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
5.26.1-6ubuntu0.7+tuxcare.els3

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1784303555.json"
perl-base

Package

Name
perl-base
Purl
pkg:deb/tuxcare/perl-base?distro=ubuntu-18.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
5.26.1-6ubuntu0.7+tuxcare.els3

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1784303555.json"
perl-debug

Package

Name
perl-debug
Purl
pkg:deb/tuxcare/perl-debug?distro=ubuntu-18.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
5.26.1-6ubuntu0.7+tuxcare.els3

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1784303555.json"
perl-doc

Package

Name
perl-doc
Purl
pkg:deb/tuxcare/perl-doc?distro=ubuntu-18.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
5.26.1-6ubuntu0.7+tuxcare.els3

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1784303555.json"
perl-modules-5.26

Package

Name
perl-modules-5.26
Purl
pkg:deb/tuxcare/perl-modules-5.26?distro=ubuntu-18.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
5.26.1-6ubuntu0.7+tuxcare.els3

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1784303555.json"