Vulnerability CVE-2023-4577: Information

Description

When `UpdateRegExpStatics` attempted to access `initialStringHeap` it could already have been garbage collected prior to entering the function, which could potentially have led to an exploitable crash. This vulnerability affects Firefox < 117, Firefox ESR < 115.2, and Thunderbird < 115.2.

Severity: MEDIUM (6.5) Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

URL: https://nvd.nist.gov/vuln/detail/CVE-2023-4577
Published: Sept. 11, 2023
Modified: Sept. 13, 2023

Fixed packages

Package name
Branch
Fixed in version
Version from repository
Errata ID
Task #
State
firefoxsisyphus117.0-alt1127.0-alt1ALT-PU-2023-5213-2328245Fixed
firefoxsisyphus_riscv64117.0.1-alt0.port126.0-alt0.portALT-PU-2023-5803-1-Fixed
firefoxp10118.0.2-alt0.p10.1118.0.2-alt0.p10.1ALT-PU-2024-4241-4342418Fixed
firefoxp11117.0-alt1126.0.1-alt1ALT-PU-2023-5213-2328245Fixed
firefox-esrsisyphus115.2.1-alt1115.11.0-alt1ALT-PU-2023-5754-2329883Fixed
firefox-esrp10115.3.1-alt4115.11.0-alt1ALT-PU-2023-6436-2330014Fixed
firefox-esrc10f1115.8.0-alt0.c10.1115.9.1-alt0.c10.1ALT-PU-2024-3614-2340631Fixed
firefox-esrp11115.2.1-alt1115.11.0-alt1ALT-PU-2023-5754-2329883Fixed
thunderbirdsisyphus115.2.2-alt1115.9.0-alt1ALT-PU-2023-5836-3328494Fixed
thunderbirdp10115.8.1-alt1115.9.0-alt1ALT-PU-2024-3860-2342581Fixed
thunderbirdc10f1115.8.1-alt0.c10.1115.9.0-alt0.c10.1ALT-PU-2024-4748-2343092Fixed
thunderbirdp11115.2.2-alt1115.9.0-alt1ALT-PU-2023-5836-3328494Fixed

References to Advisories, Solutions, and Tools

Hyperlink
Resource
https://www.mozilla.org/security/advisories/mfsa2023-34/
  • Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-36/
  • Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1847397
  • Issue Tracking
  • Permissions Required
https://www.mozilla.org/security/advisories/mfsa2023-38/
  • Vendor Advisory

    1. Configuration 1

      cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
      End excliding
      115.2
      cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
      End excliding
      117.0
      cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
      End excliding
      115.2
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