CVE-2017-14939

Name: CVE-2017-14939
Creator: NVD / NIST
Published: 2017-09-30T01:29:02.663+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 5.94%

Last modified Jun 17, 2026

CVE-2017-14939 is a vulnerability of currently unknown severity. decode_line_info in dwarf2.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.29, mishandles a length calculation, which allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via a crafted ELF file, related to read_1_byte.. EPSS estimates a 5.94% chance of exploitation in the next 30 days.

Description

decode_line_info in dwarf2.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.29, mishandles a length calculation, which allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via a crafted ELF file, related to read_1_byte.

Metrics

EPSS Probability

5.94%

92.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-125

Affected Software

Vendor	Product	Versions
Gnu	Binutils	2.29

References

http://www.securityfocus.com/bid/101216
https://blogs.gentoo.org/ago/2017/09/26/binutils-heap-based-buffer-overflow-in-read_1_byte-dwarf2-c/Patch, Third Party Advisory, VDB Entry
https://sourceware.org/bugzilla/show_bug.cgi?id=22169Issue Tracking, Patch, Third Party Advisory
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=515f23e63c0074ab531bc954f84ca40c6281a724
https://www.exploit-db.com/exploits/42970/
http://www.securityfocus.com/bid/101216
https://blogs.gentoo.org/ago/2017/09/26/binutils-heap-based-buffer-overflow-in-read_1_byte-dwarf2-c/Patch, Third Party Advisory, VDB Entry
https://sourceware.org/bugzilla/show_bug.cgi?id=22169Issue Tracking, Patch, Third Party Advisory
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=515f23e63c0074ab531bc954f84ca40c6281a724
https://www.exploit-db.com/exploits/42970/

Timeline

Published: Sep 30, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-14939?

How severe is CVE-2017-14939?

Severity scoring for CVE-2017-14939 is pending analysis. The EPSS model estimates a 5.94% probability of exploitation in the next 30 days.

How do I fix CVE-2017-14939?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-14939?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST