NULL pointer dereference in Gnu Libextractor

CVE-2017-17440

GNU Libextractor 1.6 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted GIF, IT (Impulse Tracker), NSFE, S3M (Scream Tracker 3), SID, or XM (eXtended Module) file, as demonstrated by the EXTRACTOR_xm_extract_method function in plugins/xm_extractor.c.

EPSS: 0.024 (82.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2017-17440?
CVE-2017-17440 is a medium-severity vulnerability in Gnu Libextractor, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2017-12-06.
How severe is CVE-2017-17440?
Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2017-17440 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.