| Name | CVE-2019-12435 | 
| Description | Samba 4.9.x before 4.9.9 and 4.10.x before 4.10.5 has a NULL pointer dereference, leading to Denial of Service. This is related to the AD DC DNS management server (dnsserver) RPC server process. | 
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) | 
| Debian Bugs | 930748 | 
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status | 
|---|
| samba (PTS) | bullseye (security), bullseye | 2:4.13.13+dfsg-1~deb11u6 | fixed | 
 | bookworm | 2:4.17.12+dfsg-0+deb12u2 | fixed | 
 | bookworm (security) | 2:4.17.12+dfsg-0+deb12u1 | fixed | 
 | trixie | 2:4.22.4+dfsg-1~deb13u1 | fixed | 
 | forky, sid | 2:4.23.2+dfsg-1 | fixed | 
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs | 
|---|
| samba | source | jessie | (not affected) |  |  |  | 
| samba | source | stretch | (not affected) |  |  |  | 
| samba | source | (unstable) | 2:4.9.5+dfsg-5 |  |  | 930748 | 
Notes
[stretch] - samba <not-affected> (Only affects Samba since 4.9)
[jessie] - samba <not-affected> (Only affects Samba since 4.9)
https://www.samba.org/samba/security/CVE-2019-12435.html