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Fencer Intel
high 8.8

CVE-2017-18198 json

print_iso9660_recurse in iso-info.c in GNU libcdio before 1.0.0 allows remote attackers to cause a denial of service (heap-based buffer ove…

published 8y ago modified 4mo ago also EUVD-2017-9331

cvss
8.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.3%
EPSS 3.3% chance of exploitation in 30 days, percentile 88%
public exploits
0
none known

Summary

print_iso9660_recurse in iso-info.c in GNU libcdio before 1.0.0 allows remote attackers to cause a denial of service (heap-based buffer over-read) or possibly have unspecified other impact via a crafted iso file.

Patch / fix

  • gnu libcdio 1.0.0
  • libcdio Debian 14, Debian 13, Debian 12 1.0.0-1

debian advisories DEBIAN-CVE-2017-18198

  • libcdio Ubuntu Pro 14.04 LTS 0.83-4.1ubuntu1+esm1
  • libcdio Ubuntu Pro 16.04 LTS 0.83-4.2ubuntu1+esm1

ubuntu advisories UBUNTU-CVE-2017-18198

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • libcdio RHEL 7 0.92-3.el7

red hat advisories RHSA-2018:3246

  • libcdio Arch Linux 1.0.0-1

arch linux advisories AVG-638

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2017-18198 updated cvss 3.9

libcdio: Heap-based buffer over-read in print_iso9660_recurse function in iso-info.c

  • Red Hat Enterprise Linux 6 libcdio
    affected: no fix available
  • 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, libcdio-debuginfo 0.92-3.el7 Red Hat Enterprise Linux ComputeNode Optional (v. 7) libcdio 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, libcdio-debuginfo 0.92-3.el7 Red Hat Enterprise Linux Server (v. 7) libcdio 0.92-3.el7
    +3 more products
    Red Hat Enterprise Linux Server Optional (v. 7) libcdio-devel 0.92-3.el7, libcdio-debuginfo 0.92-3.el7 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, libcdio-debuginfo 0.92-3.el7
    fixed: vendor fix RHSA-2018:3246
  • Red Hat Enterprise Linux 8 libcdio
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

3.35% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 8.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.