CVE-2017-18199

Severity: medium (CVSS 6.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2018-02-24 · updated 2026-06-17
Weakness: CWE-476

Description

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.

Affected products

GNU Libcdio: before 1.0.0 — fixed in 1.0.0

How to fix

Upgrade to a fixed version: GNU Libcdio 1.0.0. Check the vendor advisory for mitigations.

References

http://ftp.gnu.org/gnu/libcdio/libcdio-1.0.0.tar.gz
http://www.securityfocus.com/bid/103202
https://access.redhat.com/errata/RHSA-2018:3246
https://savannah.gnu.org/bugs/?52264
http://ftp.gnu.org/gnu/libcdio/libcdio-1.0.0.tar.gz
http://www.securityfocus.com/bid/103202
https://access.redhat.com/errata/RHSA-2018:3246
https://savannah.gnu.org/bugs/?52264

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