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TI-2017-13384 Aliases CVE-2017-18199GHSA-g22c-3rrr-vfp7

realloc_symlink in rock.c in GNU libcdio before 1.0.0 allows remote attackers to cause a…

Priority LOW 35CWE-476Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Partial Red Hat: 9 fixed, 1 without a fix

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-476.

Summary

realloc_symlink in rock.c in GNU libcdio before 1.0.0 allows remote attackers to cause a denial of service (NULL Pointer Dereference) via a crafted iso file.

Why it matters now

EPSS 0.03255 88th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial Red Hat: 1 advisoryRed Hat: 9 fixed, 1 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 · 1

CPEVersionsRoleVendor
cpe:2.3:a:gnu:libcdio:*:*:*:*:*:*:*:*before 1.0.0VulnerableGNU
  • cpe:2.3:a:gnu:libcdio:*:*:*:*:*:*:*:* Versions before 1.0.0 Vulnerable ·GNU

Remediation

Red Hat 1 advisory

  • RHSA-2018:3246 Released 2018-10-30 · Red Hat rating Low
    libcdio security update
    • Red Hat Enterprise Linux Client (v. 7) libcdio-0.92-3.el7
    • Red Hat Enterprise Linux Client Optional (v. 7) libcdio-devel-0.92-3.el7
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) libcdio-0.92-3.el7, libcdio-devel-0.92-3.el7
    • Red Hat Enterprise Linux Server (v. 7) libcdio-0.92-3.el7, libcdio-0.92-3.el7.ppc
    • Red Hat Enterprise Linux Server Optional (v. 7) libcdio-devel-0.92-3.el7, libcdio-devel-0.92-3.el7.ppc
    • Red Hat Enterprise Linux Workstation (v. 7) libcdio-0.92-3.el7
    • Red Hat Enterprise Linux Workstation Optional (v. 7) libcdio-devel-0.92-3.el7
    • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) libcdio-0.92-3.el7
    • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) libcdio-devel-0.92-3.el7

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux 6AffectedNo fix yet
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2018:3246
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2018:3246
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2018:3246
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2018:3246
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2018:3246
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2018:3246
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2018:3246
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7)Fixed RHSA-2018:3246
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7)Fixed RHSA-2018:3246
Not affected: 1 product
  • Red Hat Enterprise Linux 8

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-18199
  2. 2026-10-03 Alias added: GHSA-g22c-3rrr-vfp7

References

Exploit 1

Advisory 2

  • TI-2024-24342 Buffer Overflow Vulnerability in libcdio 2.2.0 (fixed in 2.3.0) allows an attacker to… CVSS 3.1HIGH 8.4
  • TI-2017-13386 An issue was discovered in GNU libcdio before 2.0.0. CVSS 3.0CRITICAL 9.8
  • TI-2017-13383 print_iso9660_recurse in iso-info.c in GNU libcdio before 1.0.0 allows remote attackers… CVSS 3.0HIGH 8.8
  • TI-2007-06309 Stack-based buffer overflow in the print_iso9660_recurse function in iso-info… CVSS 2.0MEDIUM 5.0

Sources

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