What is CVE-2017-15955?

CVE-2017-15955 is a medium-severity vulnerability in Bchunk Project, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2017-10-28.

How severe is CVE-2017-15955?

Medium severity. CVSS v3 base score is 5.5 out of 10.

NULL pointer dereference in Bchunk Project

CVE-2017-15955

bchunk (related to BinChunker) 1.2.0 and 1.2.1 is vulnerable to an "Access violation near NULL on destination operand" and crash when processing a malformed CUE (.cue) file.

Published 2017-10-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.009 (58.4th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Bchunk Project — versions 1.2.0, 1.2.1
Debian Linux — versions 8.0

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

github.com/hessu/bchunk/issues/2
lists.debian.org/debian-lts-announce/2017/11/msg00001.html (mailing-list)
www.debian.org/security/2017/dsa-4026 (vendor-advisory, Third Party Advisory)
github.com/extramaster/bchunk/issues/4 (Patch, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2017-15955?: CVE-2017-15955 is a medium-severity vulnerability in Bchunk Project, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2017-10-28.
How severe is CVE-2017-15955?: Medium severity. CVSS v3 base score is 5.5 out of 10.