7.5
Advisory Published
Updated

CVE-2020-36226

First published: Mon Jan 25 2021(Updated: )

A flaw was discovered in OpenLDAP before 2.4.57 leading to a memch->bv_len miscalculation and slapd crash in the saslAuthzTo processing, resulting in denial of service.

Credit: CVE-2020-36226 CVE-2020-36229 CVE-2020-36225 CVE-2020-36224 CVE-2020-36223 CVE-2020-36227 CVE-2020-36228 CVE-2020-36221 CVE-2020-36222 CVE-2020-36230 CVE-2020-36226 CVE-2020-36229 CVE-2020-36225 CVE-2020-36224 CVE-2020-36223 CVE-2020-36227 CVE-2020-36228 CVE-2020-36221 CVE-2020-36222 CVE-2020-36230 cve@mitre.org CVE-2020-36226 CVE-2020-36227 CVE-2020-36223 CVE-2020-36224 CVE-2020-36225 CVE-2020-36221 CVE-2020-36228 CVE-2020-36222 CVE-2020-36230 CVE-2020-36229

Affected SoftwareAffected VersionHow to fix
debian/openldap
2.4.47+dfsg-3+deb10u7
2.4.57+dfsg-3+deb11u1
2.5.13+dfsg-5
Apple macOS<11.4
11.4
macOS Catalina
macOS Mojave
OpenLDAP<2.4.57
Debian=9.0
Debian=10.0
Apple iOS and macOS>=10.14.0<10.14.6
Apple iOS and macOS=10.14.6
Apple iOS and macOS=10.14.6-security_update_2019-004
Apple iOS and macOS=10.14.6-security_update_2019-005
Apple iOS and macOS=10.14.6-security_update_2019-006
Apple iOS and macOS=10.14.6-security_update_2019-007
Apple iOS and macOS=10.14.6-security_update_2020-001
Apple iOS and macOS=10.14.6-security_update_2020-002
Apple iOS and macOS=10.14.6-security_update_2020-003
Apple iOS and macOS=10.14.6-security_update_2020-004
Apple iOS and macOS=10.14.6-security_update_2020-005
Apple iOS and macOS=10.14.6-security_update_2020-006
Apple iOS and macOS=10.14.6-security_update_2020-007
Apple iOS and macOS=10.14.6-security_update_2021-001
Apple iOS and macOS=10.14.6-security_update_2021-002
Apple iOS and macOS=10.14.6-security_update_2021-003
Apple iOS and macOS=10.14.6-supplemental_update
Apple iOS and macOS=10.14.6-supplemental_update_2
Apple iOS and macOS>=11.1<11.4

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the vulnerability ID for this issue?

    The vulnerability ID for this issue is CVE-2020-36226.

  • What software products are affected by this vulnerability?

    The macOS Big Sur 11.4, Mojave, and Catalina versions of Apple's operating system are affected by this vulnerability.

  • What is the severity of this vulnerability?

    The severity of this vulnerability is not specified in the provided information.

  • How was this vulnerability addressed?

    This vulnerability was addressed with improved checks.

  • Where can I find more information about this vulnerability and its fixes?

    You can find more information about this vulnerability and its fixes on the Apple support website. Here are the links: [Link 1](https://support.apple.com/en-us/HT212530), [Link 2](https://support.apple.com/en-us/HT212529), [Link 3](https://support.apple.com/en-us/HT212531).

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