CVE-2020-36225 Use after free in n/a
A double free vulnerability in OpenLDAP's saslAuthzTo processing allows attackers to crash the slapd service, causing denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-36225?
CVE-2020-36225 is a high-severity use after free vulnerability in Apple Macos, published on 25 Jan 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A flaw was discovered in OpenLDAP before 2.4.57 leading to a double free and slapd crash in the saslAuthzTo processing, resulting in denial of service.
Weakness: CWE-415
Which versions are affected by CVE-2020-36225?
1 open source package ship an affected version, including openldap. It affects 3 products.
| Package | Affected | Fixed in |
|---|---|---|
openldap Bitnami | All versions | 2.4.57 |
Products include Apple Macos, Debian Debian Linux, Openldap Openldap.
How do I fix CVE-2020-36225?
Upgrade openldap to 2.4.57 or later.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2020-36225 being exploited?
There is no known exploitation of CVE-2020-36225 in the wild and no public exploit code.
Other vulnerabilities in Apple Macos
Sources
Also known as ALPINE-CVE-2020-36225, BIT-openldap-2020-36225, CLEANSTART-2026-LF09803, DEBIAN-CVE-2020-36225, GHSA-whx8-g4mc-7mcq, JLSEC-2026-167 and 1 more.