What is CVE-2017-15939?

CVE-2017-15939 is a medium-severity vulnerability in Gnu Binutils, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2017-10-27.

How severe is CVE-2017-15939?

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

Is CVE-2017-15939 known to be exploited?

4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

NULL pointer dereference in Gnu Binutils

CVE-2017-15939

dwarf2.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.29, mishandles NULL files in a .debug_line file table, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted ELF file, related to concat_filename. NOTE: this issue is caused by an incomplete fix for CVE-2017-15023.

EPSS: 0.017 (74.9th percentile) — read the EPSS interpretation.

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.

Affected products

Gnu Binutils — versions 2.29
N/a — versions n/a

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

Public proof-of-concept exploits

References

cve@mitre.org (vendor-advisory, x_refsource_GENTOO)
cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
cve@mitre.org (x_refsource_MISC)
cve@mitre.org (vdb-entry, x_refsource_BID)
cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2017-15939?: CVE-2017-15939 is a medium-severity vulnerability in Gnu Binutils, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2017-10-27.
How severe is CVE-2017-15939?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2017-15939 known to be exploited?: 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.