CVE-2023-4573: Memory corruption in IPC CanvasTranslator

Published Aug 29, 2023
·
Updated

Last updated 24 July 2024

Other sources

When receiving rendering data over IPC mStream could have been destroyed when initialized, which could have led to a use-after-free causing a potentially exploitable crash.

External Reference: https://www.mozilla.org/en-US/security/advisories/mfsa2023-36/#CVE-2023-4573

— Red Hat

When receiving rendering data over IPC mStream could have been destroyed when initialized, which could have led to a use-after-free causing a potentially exploitable crash. This vulnerability affects Firefox < 117, Firefox ESR < 102.15, Firefox ESR < 115.2, Thunderbird < 102.15, and Thunderbird < 115.2.

— Launchpad

When receiving rendering data over IPC mStream could have been destroyed when initialized, which could have led to a use-after-free causing a potentially exploitable crash.

— Mozilla

Affected Software

23 affected componentsFixes available
Mozilla Thunderbird<102.15
102.15
Mozilla Thunderbird<115.2
115.2
Mozilla Firefox<117.0
Mozilla Firefox>=115.0<115.2
Mozilla Firefox ESR<102.15
Mozilla Thunderbird<115.2
Mozilla Firefox ESR>=115.0<115.2
Mozilla Firefox<117
117
Mozilla Firefox ESR<102.15
102.15
Mozilla Firefox ESR<115.2
115.2
debian/firefox
138.0.1-1
debian/firefox-esr
115.14.0esr-1~deb11u1128.9.0esr-1~deb11u1128.8.0esr-1~deb12u1128.10.0esr-1~deb12u1128.9.0esr-2128.10.0esr-1
debian/thunderbird
1:115.12.0-1~deb11u11:128.10.0esr-1~deb11u11:128.8.0esr-1~deb12u11:128.10.0esr-1~deb12u11:128.9.0esr-11:128.10.0esr-1
redhat/firefox<102.15
102.15
redhat/thunderbird<102.15
102.15
redhat/firefox<115.2
115.2
redhat/thunderbird<115.2
115.2
alpine/firefox-esr<115.2.0-r0
115.2.0-r0
alpine/firefox-esr<115.2.0-r0
115.2.0-r0
alpine/firefox-esr<115.2.0-r0
115.2.0-r0
alpine/firefox-esr<115.2.0-r0
115.2.0-r0
alpine/firefox-esr<115.2.0-r0
115.2.0-r0
alpine/firefox-esr<115.2.0-r0
115.2.0-r0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Thunderbird to a version that resolves this vulnerability.

    Fixed in 102.15
  2. Upgrade

    Upgrade Thunderbird to a version that resolves this vulnerability.

    Fixed in 115.2
  3. Upgrade

    Upgrade Firefox to a version that resolves this vulnerability.

    Fixed in 117
  4. Upgrade

    Upgrade Firefox ESR to a version that resolves this vulnerability.

    Fixed in 102.15
  5. Upgrade

    Upgrade Firefox ESR to a version that resolves this vulnerability.

    Fixed in 115.2
  6. Upgrade

    Upgrade debian/firefox to a version that resolves this vulnerability.

    Fixed in 138.0.1-1
  7. Upgrade

    Upgrade debian/firefox-esr to a version that resolves this vulnerability.

    Fixed in 115.14.0esr-1~deb11u1Fixed in 128.9.0esr-1~deb11u1Fixed in 128.8.0esr-1~deb12u1Fixed in 128.10.0esr-1~deb12u1Fixed in 128.9.0esr-2Fixed in 128.10.0esr-1
  8. Upgrade

    Upgrade debian/thunderbird to a version that resolves this vulnerability.

    Fixed in 1:115.12.0-1~deb11u1Fixed in 1:128.10.0esr-1~deb11u1Fixed in 1:128.8.0esr-1~deb12u1Fixed in 1:128.10.0esr-1~deb12u1Fixed in 1:128.9.0esr-1Fixed in 1:128.10.0esr-1
  9. Upgrade

    Upgrade redhat/firefox to a version that resolves this vulnerability.

    Fixed in 102.15
  10. Upgrade

    Upgrade redhat/thunderbird to a version that resolves this vulnerability.

    Fixed in 102.15
  11. Upgrade

    Upgrade redhat/firefox to a version that resolves this vulnerability.

    Fixed in 115.2
  12. Upgrade

    Upgrade redhat/thunderbird to a version that resolves this vulnerability.

    Fixed in 115.2

Event History

Aug 29, 2023
CVE Published
via Mozilla·12:00 AM
Aug 30, 2023
Data Sourced
via Red Hat·09:43 AM
DescriptionSeverityAffected Software
Sep 11, 2023
CVE Published
via MITRE·07:59 AM
Data Sourced
via MITRE·07:59 AM
Description
Data Sourced
via NVD·08:15 AM
DescriptionSeverityWeaknessAffected Software
Data Sourced
via OSV·08:15 AM
DescriptionSeverityAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

What is CVE-2023-4573?

CVE-2023-4573 is a vulnerability in Mozilla Firefox and Thunderbird that could lead to a use-after-free causing a potentially exploitable crash.

2

Which software is affected by CVE-2023-4573?

CVE-2023-4573 affects Firefox versions less than 117, Firefox ESR versions less than 102.15, Thunderbird versions less than 102.15, and Thunderbird versions less than 115.2.

3

What is the severity of CVE-2023-4573?

CVE-2023-4573 has a severity rating of 6.5 (High).

4

How can I fix CVE-2023-4573?

To fix CVE-2023-4573, update your Mozilla Firefox or Thunderbird to the latest version, which is 117 or 102.15, respectively.

5

Where can I find more information about CVE-2023-4573?

You can find more information about CVE-2023-4573 on the Mozilla website and Bugzilla.

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