View Issue Details

IDProjectCategoryView StatusLast Update
0008262Kali Linux[All Projects] Kali Package Bugpublic2023-04-18 20:08
Reporter[email protected] Assigned To 
Status newResolutionopen 
Product Version2023.1 
Target VersionFixed in Version 
Summary0008262: Nmap munmap_chunk(): invalid pointer
DescriptionWhen running a script scan with ssh-publickey-acceptance sometimes free() is thrown but nearly every time munmap_chunk() is thrown.
Seems to happen when scanning more than 2 IPs

[email protected]:~/Projects/Office_Access$ nmap --version
Nmap version 7.93 ( )
Platform: x86_64-pc-linux-gnu
Compiled with: liblua-5.3.6 openssl-3.0.8 libssh2-1.10.0 libz-1.2.13 libpcre-8.39 nmap-libpcap-1.7.3 nmap-libdnet-1.12 ipv6
Compiled without:
Available nsock engines: epoll poll select

Steps To ReproduceRun a public key acceptance script with minimum /30


nmap -R \
    --open \
    -oX Key_Access.xml \
    -p 22 --script ssh-publickey-acceptance \
    --script-args "ssh.usernames={$UsersNmap}, ssh.publickeys={$PubKeysNmap}" \



2023-04-18 20:08

reporter   ~0017814

Better raise an issue for the nmap devs:

Unlikely that the Kali team can do much about this

Issue History

Date Modified Username Field Change
2023-04-13 17:48 [email protected] New Issue
2023-04-18 20:08 kali-bugreport Note Added: 0017814