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TI-2020-10115 Aliases CVE-2020-12723

regcomp.c in Perl before 5.30.3 allows a buffer overflow via a crafted regular expression…

Priority MEDIUM 42CWE-120Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Partial Red Hat: 28 fixed, 3 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-120 and the CVSS impact.

Summary

regcomp.c in Perl before 5.30.3 allows a buffer overflow via a crafted regular expression because of recursive S_study_chunk calls.

Why it matters now

EPSS 0.05971 93rd percentileScored 2026-11-07
Fix Partial Red Hat: 7 advisoriesRed Hat: 28 fixed, 3 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 20

CPEVersionsRoleVendor
cpe:2.3:a:perl:perl:*:*:*:*:*:*:*:*before 5.30.3VulnerablePerl
cpe:2.3:a:netapp:oncommand_workflow_automation:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:a:netapp:snap_creator_framework:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*31VulnerableFedoraproject
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*15.1VulnerableopenSUSE
cpe:2.3:a:oracle:communications_billing_and_revenue_management:12.0.0.2.0:*:*:*:*:*:*:*12.0.0.2.0VulnerableOracle
cpe:2.3:a:oracle:communications_billing_and_revenue_management:12.0.0.3.0:*:*:*:*:*:*:*12.0.0.3.0VulnerableOracle
cpe:2.3:a:oracle:communications_diameter_signaling_router:*:*:*:*:*:*:*:*8.0.0 – 8.5.0VulnerableOracle
cpe:2.3:a:oracle:communications_eagle_application_processor:*:*:*:*:*:*:*:*16.1.0 – 16.4.0VulnerableOracle
cpe:2.3:a:oracle:communications_eagle_lnp_application_processor:10.1:*:*:*:*:*:*:*10.1VulnerableOracle
  • cpe:2.3:a:perl:perl:*:*:*:*:*:*:*:* Versions before 5.30.3 Vulnerable ·Perl
  • cpe:2.3:a:netapp:oncommand_workflow_automation:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:a:netapp:snap_creator_framework:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* Versions 31 Vulnerable ·Fedoraproject
  • cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* Versions 15.1 Vulnerable ·openSUSE
  • cpe:2.3:a:oracle:communications_billing_and_revenue_management:12.0.0.2.0:*:*:*:*:*:*:* Versions 12.0.0.2.0 Vulnerable ·Oracle
  • cpe:2.3:a:oracle:communications_billing_and_revenue_management:12.0.0.3.0:*:*:*:*:*:*:* Versions 12.0.0.3.0 Vulnerable ·Oracle
  • cpe:2.3:a:oracle:communications_diameter_signaling_router:*:*:*:*:*:*:*:* Versions 8.0.0 – 8.5.0 Vulnerable ·Oracle
  • cpe:2.3:a:oracle:communications_eagle_application_processor:*:*:*:*:*:*:*:* Versions 16.1.0 – 16.4.0 Vulnerable ·Oracle
  • cpe:2.3:a:oracle:communications_eagle_lnp_application_processor:10.1:*:*:*:*:*:*:* Versions 10.1 Vulnerable ·Oracle
Show 10 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:oracle:communications_eagle_lnp_application_processor:10.2:*:*:*:*:*:*:*10.2VulnerableOracle
cpe:2.3:a:oracle:communications_lsms:*:*:*:*:*:*:*:*13.1 – 13.4VulnerableOracle
cpe:2.3:a:oracle:communications_offline_mediation_controller:12.0.0.3.0:*:*:*:*:*:*:*12.0.0.3.0VulnerableOracle
cpe:2.3:a:oracle:communications_performance_intelligence_center:*:*:*:*:*:*:*:*10.3.0.0.0 – 10.3.0.2.1; 10.4.0.1.0 – 10.4.0.3.1VulnerableOracle
cpe:2.3:a:oracle:configuration_manager:12.1.2.0.8:*:*:*:*:*:*:*12.1.2.0.8VulnerableOracle
cpe:2.3:a:oracle:enterprise_manager_base_platform:13.4.0.0:*:*:*:*:*:*:*13.4.0.0VulnerableOracle
cpe:2.3:a:oracle:sd-wan_edge:8.2:*:*:*:*:*:*:*8.2VulnerableOracle
cpe:2.3:a:oracle:sd-wan_edge:9.0:*:*:*:*:*:*:*9.0VulnerableOracle
cpe:2.3:a:oracle:sd-wan_edge:9.1:*:*:*:*:*:*:*9.1VulnerableOracle
cpe:2.3:a:oracle:tekelec_platform_distribution:*:*:*:*:*:*:*:*7.4.0 – 7.7.1VulnerableOracle
  • cpe:2.3:a:oracle:communications_eagle_lnp_application_processor:10.2:*:*:*:*:*:*:* Versions 10.2 Vulnerable ·Oracle
  • cpe:2.3:a:oracle:communications_lsms:*:*:*:*:*:*:*:* Versions 13.1 – 13.4 Vulnerable ·Oracle
  • cpe:2.3:a:oracle:communications_offline_mediation_controller:12.0.0.3.0:*:*:*:*:*:*:* Versions 12.0.0.3.0 Vulnerable ·Oracle
  • cpe:2.3:a:oracle:communications_performance_intelligence_center:*:*:*:*:*:*:*:* Versions 10.3.0.0.0 – 10.3.0.2.1; 10.4.0.1.0 – 10.4.0.3.1 Vulnerable ·Oracle
  • cpe:2.3:a:oracle:configuration_manager:12.1.2.0.8:*:*:*:*:*:*:* Versions 12.1.2.0.8 Vulnerable ·Oracle
  • cpe:2.3:a:oracle:enterprise_manager_base_platform:13.4.0.0:*:*:*:*:*:*:* Versions 13.4.0.0 Vulnerable ·Oracle
  • cpe:2.3:a:oracle:sd-wan_edge:8.2:*:*:*:*:*:*:* Versions 8.2 Vulnerable ·Oracle
  • cpe:2.3:a:oracle:sd-wan_edge:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Oracle
  • cpe:2.3:a:oracle:sd-wan_edge:9.1:*:*:*:*:*:*:* Versions 9.1 Vulnerable ·Oracle
  • cpe:2.3:a:oracle:tekelec_platform_distribution:*:*:*:*:*:*:*:* Versions 7.4.0 – 7.7.1 Vulnerable ·Oracle

Remediation

Red Hat 7 advisories

  • RHSA-2026:7604 Released 2026-04-10 · Red Hat rating Important
    Red Hat Hardened Images RPMs bug fix and enhancement update
    • Red Hat Hardened Images perl-5.42.2-524.1.hum1@aarch64, perl-5.42.2-524.1.hum1@src, perl-5.42.2-524.1.hum1@x86_64 +47
  • RHSA-2021:2184 Released 2021-06-02 · Red Hat rating Moderate
    perl security update
    • Red Hat Enterprise Linux AppStream EUS (v. 8.2) perl-4:5.26.3-417.el8_2, perl-Attribute-Handlers-0.99-417.el8_2, perl-Devel-Peek-1.26-417.el8_2 +16
    • Red Hat Enterprise Linux BaseOS EUS (v. 8.2) perl-4:5.26.3-417.el8_2, perl-Errno-1.28-417.el8_2, perl-IO-1.38-417.el8_2 +5
  • RHSA-2021:1266 Released 2021-04-20 · Red Hat rating Moderate
    perl security update
    • Red Hat Enterprise Linux Server AUS (v. 7.4) perl-4:5.16.3-292.el7_4.2, perl-CPAN-1.9800-292.el7_4.2, perl-ExtUtils-CBuilder-1:0.28.2.6-292.el7_4.2 +14
    • Red Hat Enterprise Linux Server E4S (v. 7.4) perl-4:5.16.3-292.el7_4.2, perl-CPAN-1.9800-292.el7_4.2, perl-ExtUtils-CBuilder-1:0.28.2.6-292.el7_4.2 +14
    • Red Hat Enterprise Linux Server Optional AUS (v. 7.4) perl-tests-4:5.16.3-292.el7_4.2
    • Red Hat Enterprise Linux Server Optional E4S (v. 7.4) perl-tests-4:5.16.3-292.el7_4.2
    • Red Hat Enterprise Linux Server Optional TUS (v. 7.4) perl-tests-4:5.16.3-292.el7_4.2
    • Red Hat Enterprise Linux Server TUS (v. 7.4) perl-4:5.16.3-292.el7_4.2, perl-CPAN-1.9800-292.el7_4.2, perl-ExtUtils-CBuilder-1:0.28.2.6-292.el7_4.2 +14
Show 4 more Red Hat advisories
  • RHSA-2021:1032 Released 2021-03-30 · Red Hat rating Moderate
    perl security update
    • Red Hat Enterprise Linux ComputeNode EUS (v. 7.7) perl-4:5.16.3-294.el7_7.1, perl-CPAN-1.9800-294.el7_7.1, perl-ExtUtils-CBuilder-1:0.28.2.6-294.el7_7.1 +14
    • Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.7) perl-tests-4:5.16.3-294.el7_7.1
    • Red Hat Enterprise Linux Server EUS (v. 7.7) perl-4:5.16.3-294.el7_7.1, perl-CPAN-1.9800-294.el7_7.1, perl-ExtUtils-CBuilder-1:0.28.2.6-294.el7_7.1 +16
    • Red Hat Enterprise Linux Server Optional EUS (v. 7.7) perl-tests-4:5.16.3-294.el7_7.1
  • RHSA-2021:0883 Released 2021-03-16 · Red Hat rating Moderate
    perl security update
    • Red Hat Enterprise Linux ComputeNode EUS (v. 7.6) perl-4:5.16.3-294.el7_6.1, perl-CPAN-1.9800-294.el7_6.1, perl-ExtUtils-CBuilder-1:0.28.2.6-294.el7_6.1 +14
    • Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6) perl-tests-4:5.16.3-294.el7_6.1
    • Red Hat Enterprise Linux Server EUS (v. 7.6) perl-4:5.16.3-294.el7_6.1, perl-CPAN-1.9800-294.el7_6.1, perl-ExtUtils-CBuilder-1:0.28.2.6-294.el7_6.1 +16
    • Red Hat Enterprise Linux Server Optional EUS (v. 7.6) perl-tests-4:5.16.3-294.el7_6.1
    • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) perl-4:5.16.3-294.el7_6.1, perl-CPAN-1.9800-294.el7_6.1, perl-ExtUtils-CBuilder-1:0.28.2.6-294.el7_6.1 +14
    • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) perl-tests-4:5.16.3-294.el7_6.1
  • RHSA-2021:0557 Released 2021-02-16 · Red Hat rating Moderate
    perl security update
    • Red Hat Enterprise Linux AppStream (v. 8) perl-4:5.26.3-417.el8_3, perl-Attribute-Handlers-0.99-417.el8_3, perl-Devel-Peek-1.26-417.el8_3 +16
    • Red Hat Enterprise Linux BaseOS (v. 8) perl-4:5.26.3-417.el8_3, perl-Errno-1.28-417.el8_3, perl-IO-1.38-417.el8_3 +5
  • RHSA-2021:0343 Released 2021-02-02 · Red Hat rating Moderate
    perl security update
    • Red Hat Enterprise Linux Client (v. 7) perl-4:5.16.3-299.el7_9, perl-CPAN-1.9800-299.el7_9, perl-ExtUtils-CBuilder-1:0.28.2.6-299.el7_9 +14
    • Red Hat Enterprise Linux Client Optional (v. 7) perl-tests-4:5.16.3-299.el7_9
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) perl-tests-4:5.16.3-299.el7_9
    • Red Hat Enterprise Linux Server (v. 7) perl-4:5.16.3-299.el7_9, perl-CPAN-1.9800-299.el7_9, perl-ExtUtils-CBuilder-1:0.28.2.6-299.el7_9 +16
    • Red Hat Enterprise Linux Server Optional (v. 7) perl-tests-4:5.16.3-299.el7_9
    • Red Hat Enterprise Linux Workstation (v. 7) perl-4:5.16.3-299.el7_9, perl-CPAN-1.9800-299.el7_9, perl-ExtUtils-CBuilder-1:0.28.2.6-299.el7_9 +14
    • Red Hat Enterprise Linux Workstation Optional (v. 7) perl-tests-4:5.16.3-299.el7_9

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 5AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 8AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2021:0557
Red Hat Enterprise Linux AppStream EUS (v. 8.2)Fixed RHSA-2021:2184
Red Hat Enterprise Linux BaseOS (v. 8)Fixed RHSA-2021:0557
Red Hat Enterprise Linux BaseOS EUS (v. 8.2)Fixed RHSA-2021:2184
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2021:0343
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2021:0343
Red Hat Enterprise Linux ComputeNode EUS (v. 7.6)Fixed RHSA-2021:0883
Red Hat Enterprise Linux ComputeNode EUS (v. 7.7)Fixed RHSA-2021:1032
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2021:0343
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6)Fixed RHSA-2021:0883
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.7)Fixed RHSA-2021:1032
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2021:0343
Red Hat Enterprise Linux Server AUS (v. 7.4)Fixed RHSA-2021:1266
Red Hat Enterprise Linux Server E4S (v. 7.4)Fixed RHSA-2021:1266
Red Hat Enterprise Linux Server EUS (v. 7.6)Fixed RHSA-2021:0883
Red Hat Enterprise Linux Server EUS (v. 7.7)Fixed RHSA-2021:1032
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2021:0343
Red Hat Enterprise Linux Server Optional AUS (v. 7.4)Fixed RHSA-2021:1266
Red Hat Enterprise Linux Server Optional E4S (v. 7.4)Fixed RHSA-2021:1266
Red Hat Enterprise Linux Server Optional EUS (v. 7.6)Fixed RHSA-2021:0883
Red Hat Enterprise Linux Server Optional EUS (v. 7.7)Fixed RHSA-2021:1032
Red Hat Enterprise Linux Server Optional TUS (v. 7.4)Fixed RHSA-2021:1266
Red Hat Enterprise Linux Server TUS (v. 7.4)Fixed RHSA-2021:1266
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2021:0343
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2021:0343
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7)Fixed RHSA-2021:0883
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7)Fixed RHSA-2021:0883
Red Hat Hardened ImagesFixed RHSA-2026:7604

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-12723

References

Patch 9

Advisory 7

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences