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Fencer Vulns
medium 4.3

CVE-2023-32205 json

In multiple cases browser prompts could have been obscured by popups controlled by content.

published 2023-06-02 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-36463

cvss
4.3
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 50%
public exploits
0
none known

Summary

In multiple cases browser prompts could have been obscured by popups controlled by content. These could have led to potential user confusion and spoofing attacks. This vulnerability affects Firefox < 113, Firefox ESR < 102.11, and Thunderbird < 102.11.

Patch / fix

  • Mozilla Firefox 113
  • Mozilla Firefox ESR 102.11
  • Mozilla Thunderbird 102.11
  • firefox-esr Debian 14, Debian 13, Debian 12 102.11.0esr-1
  • thunderbird Debian 14, Debian 13, Debian 12 1:102.11.0-1

debian advisories DEBIAN-CVE-2023-32205

  • firefox Ubuntu 18.04 LTS 113.0+build2-0ubuntu0.18.04.1
  • firefox Ubuntu 20.04 LTS 113.0+build2-0ubuntu0.20.04.1
  • thunderbird Ubuntu 18.04 LTS 1:102.11.0+build1-0ubuntu0.18.04.1
  • thunderbird Ubuntu 20.04 LTS 1:102.11.0+build1-0ubuntu0.20.04.1
  • thunderbird Ubuntu 22.04 LTS 1:102.11.0+build1-0ubuntu0.22.04.1

ubuntu advisories UBUNTU-CVE-2023-32205

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • thunderbird RHEL 7 102.11.0-1.el7_9
  • thunderbird RHEL 9 102.11.0-1.el9_2
  • thunderbird RHEL 8 102.11.0-1.el8_7
  • firefox RHEL 8 102.11.0-2.el8_7
  • firefox RHEL 9 102.11.0-2.el9_2
  • firefox-x11 RHEL 9 102.11.0-2.el9_2
  • firefox RHEL 7 102.11.0-2.el7_9
  • firefox RHEL 8.6 EUS 102.11.0-2.el8_6

red hat advisories RHSA-2023:3151RHSA-2023:3150RHSA-2023:3141RHSA-2023:3142RHSA-2023:3221RHSA-2023:3149

  • MozillaThunderbird SLE Workstation Extension 15 SP4, SLE Module for Package Hub 15 SP4, openSUSE Leap 15.4 102.11.0-150200.8.116.1
  • MozillaFirefox SLES for SAP 12 SP5, SLES for SAP 12 SP4, SLES 12 SP5 +6 more 102.11.0-112.159.1
  • MozillaFirefox SLES for SAP 15 SP3, SLES for SAP 15 SP2, SLES 15 SP3-LTSS +9 more 102.11.0-150200.152.87.1
  • MozillaFirefox SLES for SAP 15 SP1, SLES 15 SP1-LTSS, SLE High Performance Computing 15 SP1-LTSS 102.11.0-150000.150.85.1

suse advisories SUSE-SU-2023:2211-1SUSE-SU-2023:2176-1SUSE-SU-2023:2175-1SUSE-SU-2023:2173-1

  • firefox-esr openSUSE Tumbleweed 128.5.1-1.1
  • MozillaFirefox openSUSE Tumbleweed 113.0-1.1
  • MozillaThunderbird openSUSE Tumbleweed 102.11.0-1.1

opensuse advisories openSUSE-SU-2024:14572-1openSUSE-SU-2024:12920-1openSUSE-SU-2024:12921-1

  • firefox AlmaLinux 8 102.11.0-2.el8_7.alma
  • thunderbird AlmaLinux 8 102.11.0-1.el8_7.alma
  • firefox AlmaLinux 9 102.11.0-2.el9_2.alma
  • firefox-x11 AlmaLinux 9 102.11.0-2.el9_2.alma
  • thunderbird AlmaLinux 9 102.11.0-1.el9_2.alma

almalinux advisories ALSA-2023:3220ALSA-2023:3221ALSA-2023:3143ALSA-2023:3150

  • firefox Rocky Linux 8 102.11.0-2.el8_7
  • thunderbird Rocky Linux 8 102.11.0-1.el8_7

rocky linux advisories RLSA-2023:3220RLSA-2023:3221

  • firefox-esr Alpine 3.23, Alpine 3.22, Alpine 3.21 +3 more 102.11.0-r0

alpine advisories ALPINE-CVE-2023-32205

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2023-32205 updated cvss 7.5

Mozilla: Browser prompts could have been obscured by popups

  • Red Hat Enterprise Linux 6 firefox, thunderbird
    affected: no fix planned “Out of support scope”
  • Red Hat Enterprise Linux AppStream (v. 8) firefox 102.11.0-2.el8_7, thunderbird 102.11.0-1.el8_7
    fixed: vendor fix RHSA-2023:3220
  • Red Hat Enterprise Linux AppStream (v. 9) firefox 102.11.0-2.el9_2, firefox-x11 102.11.0-2.el9_2, thunderbird 102.11.0-1.el9_2
    fixed: vendor fix RHSA-2023:3143
  • Red Hat Enterprise Linux AppStream AUS (v. 8.2) firefox 102.11.0-2.el8_2, thunderbird 102.11.0-1.el8_2
    fixed: vendor fix RHSA-2023:3139
  • Red Hat Enterprise Linux AppStream E4S (v. 8.1) firefox 102.11.0-2.el8_1, thunderbird 102.11.0-1.el8_1
    fixed: vendor fix RHSA-2023:3138
  • Red Hat Enterprise Linux AppStream E4S (v. 8.2) firefox 102.11.0-2.el8_2, thunderbird 102.11.0-1.el8_2
    fixed: vendor fix RHSA-2023:3139
  • Red Hat Enterprise Linux AppStream EUS (v.8.4) firefox 102.11.0-2.el8_4, thunderbird 102.11.0-1.el8_4
    fixed: vendor fix RHSA-2023:3140
  • Red Hat Enterprise Linux AppStream EUS (v.8.6) firefox 102.11.0-2.el8_6, thunderbird 102.11.0-1.el8_6
    fixed: vendor fix RHSA-2023:3141
show 3 more
  • Red Hat Enterprise Linux AppStream EUS (v.9.0) firefox 102.11.0-2.el9_0, thunderbird 102.11.0-1.el9_0
    fixed: vendor fix RHSA-2023:3142
  • Red Hat Enterprise Linux AppStream TUS (v. 8.2) firefox 102.11.0-2.el8_2, thunderbird 102.11.0-1.el8_2
    fixed: vendor fix RHSA-2023:3139
  • Red Hat Enterprise Linux Client (v. 7) firefox 102.11.0-2.el7_9, thunderbird 102.11.0-1.el7_9 Red Hat Enterprise Linux Client Optional (v. 7) firefox 102.11.0-2.el7_9 Red Hat Enterprise Linux Server (v. 7) firefox 102.11.0-2.el7_9 Red Hat Enterprise Linux Server Optional (v. 7) firefox 102.11.0-2.el7_9, thunderbird 102.11.0-1.el7_9 Red Hat Enterprise Linux Workstation (v. 7) firefox 102.11.0-2.el7_9, thunderbird 102.11.0-1.el7_9 Red Hat Enterprise Linux Workstation Optional (v. 7) firefox 102.11.0-2.el7_9
    fixed: vendor fix RHSA-2023:3137

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.63% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Affected products

  • Mozilla Firefox
  • Mozilla Firefox ESR
  • Mozilla Thunderbird

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.