CVE-2020-10760: canonical ubuntu_linux Use After Free
Vulnerability summary
CVE-2020-10760 is a medium (CVSS 6.5) Use After Free vulnerability in canonical ubuntu_linux. EPSS estimates a 2.66% chance of exploitation in the next 30 days, higher than 85.7% of scored vulnerabilities.
Not severe (CVSS 6.5, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 10 · Related 8Timeline
- 06-07-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
5 scores · 4 sources · 2 versions- OSV · AlpineEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
2.66%
Chance of exploitation in the next 30 days
Percentile
86%
Versus all other CVEs
30-day change
No change 0.00 pp
From 2.66% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Alpine1 product
- samba≥ 4.5.0, < 4.10.17-r0 | ≥ 4.5.0, < 4.11.14-r0 | ≥ 4.5.0, < 4.12.5-r0
Canonical1 product
- ubuntu_linuxEOL18.04 | 19.10 | 20.04
Debian1 product
- samba< 2:4.12.5+dfsg-1
Fedoraproject1 product
- fedoraEOL31
Opensuse1 product
- leapEOL15.1 | 15.2
Samba1 product
- samba≥ 4.5.0, < 4.10.17 | ≥ 4.11.0, < 4.11.11 | ≥ 4.12.0, < 4.12.4
Ubuntu1 product
- samba< 2:4.7.6+dfsg~ubuntu-0ubuntu2.17 | < 2:4.11.6+dfsg-0ubuntu1.3
7 vendors · 7 products
References
14 links- bugzilla.redhat.com/show_bug.cgi?id=1849509%3BX Refsource MISC
- lists.opensuse.org/opensuse-security-announce/2020-07/msg00030.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2020-07/msg00054.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
