CVE-2017-14939

Public Exploit

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.

Category

5.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 1.36% Top 25%
Third-Party Advisory gentoo.org Third-Party Advisory sourceware.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.exploit-db.com/exploits/42970/ exploit
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
http://www.securityfocus.com/bid/101216 vdb entry
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=515f23e63c0074ab531bc954f84ca40c6281a724
https://sourceware.org/bugzilla/show_bug.cgi?id=22169 patch third party advisory issue tracking

Frequently Asked Questions

What is the severity of CVE-2017-14939?
CVE-2017-14939 has been scored as a medium severity vulnerability.
How to fix CVE-2017-14939?
To fix CVE-2017-14939, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-14939 being actively exploited in the wild?
It is possible that CVE-2017-14939 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.