F5-K000159856: Buffer Overflow
Published Feb 3, 2026
·Updated
A buffer overflow vulnerability in function gnuspecial in file cplus-dem.c in BinUtils 2.26 allows attackers to cause a denial of service via crafted PE file.
Affected Software
2 affected components
F5 F5OS-A>=1.8.0<=1.8.3, >=1.5.1<=1.5.4
F5 F5OS-C>=1.8.0<=1.8.2, >=1.6.0<=1.6.4
Event History
Feb 3, 2026
Advisory Published
via F5·04:32 PM
Data Sourced
via F5·04:32 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of F5-K000159856?
The severity of F5-K000159856 is high due to the potential for denial of service.
2
How do I fix F5-K000159856?
To fix F5-K000159856, upgrade F5OS-A to version 1.8.4 or later, or F5OS-C to version 1.8.3 or later.
3
What is the impact of F5-K000159856?
The impact of F5-K000159856 is that attackers can exploit the vulnerability to cause a denial of service.
4
Which versions are affected by F5-K000159856?
F5-K000159856 affects F5OS-A versions 1.5.1 to 1.5.4 and 1.8.0 to 1.8.3, and F5OS-C versions 1.6.0 to 1.6.4 and 1.8.0 to 1.8.2.
5
What product does F5-K000159856 involve?
F5-K000159856 involves vulnerabilities in the F5 products F5OS-A and F5OS-C.