Advisory Published
CVE Published
Updated

CVE-2023-4577

First published: Tue Aug 29 2023(Updated: )

Last updated 24 July 2024

Credit: security@mozilla.org security@mozilla.org security@mozilla.org

Affected SoftwareAffected VersionHow to fix
Mozilla Firefox ESR<115.2
115.2
Mozilla Thunderbird<115.2
115.2
Mozilla Firefox<117
117
Mozilla Firefox<117.0
Mozilla Firefox ESR<115.2
Mozilla Thunderbird<115.2
redhat/firefox<115.2
115.2
redhat/thunderbird<115.2
115.2
debian/firefox
134.0.2-3
debian/firefox-esr
115.14.0esr-1~deb11u1
128.6.0esr-1~deb11u3
128.5.0esr-1~deb12u1
128.6.0esr-1~deb12u1
128.6.0esr-4
debian/thunderbird
1:115.12.0-1~deb11u1
1:128.6.0esr-1~deb11u1
1:128.5.0esr-1~deb12u1
1:128.6.0esr-1~deb12u1
1:128.6.0esr-1

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2023-4577?

    The severity of CVE-2023-4577 is high.

  • Which software is affected by CVE-2023-4577?

    Mozilla Firefox versions up to exclusive 117, Mozilla Firefox ESR versions up to exclusive 115.2, and Mozilla Thunderbird versions up to exclusive 115.2 are affected by CVE-2023-4577.

  • How can I fix CVE-2023-4577?

    To fix CVE-2023-4577, update to a version of Mozilla Firefox or Mozilla Thunderbird that is equal to or higher than 117, update to Mozilla Firefox ESR version 115.2 or higher, or apply the necessary security patch for your operating system and package manager.

  • Where can I find more information about CVE-2023-4577?

    You can find more information about CVE-2023-4577 on the official CVE website (https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-4577), the Ubuntu Security Notices (https://ubuntu.com/security/notices/USN-6320-1), and the NIST National Vulnerability Database (https://nvd.nist.gov/vuln/detail/CVE-2023-4577).

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