CVE-2020-10760
A use-after-free flaw was found in all samba LDAP server versions before 4.10.17, before 4.11.11, before 4.12.4 used in a AC DC configuration. A Samba LDAP user could use this flaw to crash samba.
02 Description
A use-after-free flaw was found in all samba LDAP server versions before 4.10.17, before 4.11.11, before 4.12.4 used in a AC DC configuration. A Samba LDAP user could use this flaw to crash samba.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 2.65% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 85.4% of scored records. A rank, not a probability.
- NVD base score
- 6.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2020-07-06 18:02Z6 YR AGO
- Last updated
- 2024-08-04 11:14Z2 YR AGO
- Reserved
- 2020-03-20
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-416Use After FreeVariant
- Data version
- 5.1
- Document digest
- 15dca3e8ec6476fe0d3adcfb478cf99023132154fef576fd78b621c11368e9e4
05 Affected products
06 References
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1849509%3B
- www.samba.orghttps://www.samba.org/samba/security/CVE-2020-10760.html
- usn.ubuntu.comUSN-4409-1https://usn.ubuntu.com/4409-1/
- lists.fedoraproject.orgFEDORA-2020-5131d30947https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6YLNQ5GRXUKYRUAOFZ4DUBVN4SMTL6Q2/
- lists.opensuse.orgopenSUSE-SU-2020:0984http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00030.html
- lists.opensuse.orgopenSUSE-SU-2020:1023http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00054.html
- security.gentoo.orgGLSA-202007-15https://security.gentoo.org/glsa/202007-15
- lists.opensuse.orgopenSUSE-SU-2020:1313http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00002.html
- lists.debian.org[debian-lts-announce] 20201123 [SECURITY] [DLA 2463-1] samba security updatehttps://lists.debian.org/debian-lts-announce/2020/11/msg00041.html
07 Fixed in
Arch Linux
- samba Fixed in 4.12.6-1
Source: Arch Linux Security Tracker, the Arch Linux security team. Reformatted by exploit.cc.
Debian 12
- samba Fixed in 2:4.12.5+dfsg-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- samba Fixed in 2:4.12.5+dfsg-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- samba Fixed in 2:4.12.5+dfsg-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- samba Fixed in 2:4.7.6+dfsg~ubuntu-0ubuntu2.17
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 20.04 LTS
- samba Fixed in 2:4.11.6+dfsg-0ubuntu1.3
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.