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TI-2023-00583 Aliases CVE-2023-0616GHSA-w7wv-wm72-g6pr

Resource allocation without limits in Mozilla Thunderbird

Priority LOW 29CWE-770Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Partial Red Hat: 12 fixed, 1 without a fix

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-770.

Summary

If a MIME email combines OpenPGP and OpenPGP MIME data in a certain way Thunderbird repeatedly attempts to process and display the message, which could cause Thunderbird's user interface to lock up and no longer respond to the user's actions. An attacker could send a crafted message with this structure to attempt a DoS attack. This vulnerability affects Thunderbird < 102.8.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0049 42nd percentileScored 2026-11-07
Fix Partial Thunderbird (Mozilla): 102.8Red Hat: 8 advisoriesRed Hat: 12 fixed, 1 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MozillaThunderbirdbefore 102.8102.8Patch availableCNA
  • Thunderbird VendorMozilla Affected before 102.8 Fixed in 102.8 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*before 102.8VulnerableMozilla
  • cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* Versions before 102.8 Vulnerable ·Mozilla

Remediation

  • Fix · CNA Thunderbird (Mozilla) Fixed in 102.8

Red Hat 8 advisories

  • RHSA-2023:0820 Released 2023-02-20 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream EUS (v.8.4) thunderbird-102.8.0-2.el8_4
  • RHSA-2023:0822 Released 2023-02-20 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream EUS (v.8.6) thunderbird-102.8.0-2.el8_6
  • RHSA-2023:0821 Released 2023-02-20 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream (v. 8) thunderbird-102.8.0-2.el8_7
Show 5 more Red Hat advisories
  • RHSA-2023:0817 Released 2023-02-20 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux Client (v. 7) thunderbird-102.8.0-2.el7_9
    • Red Hat Enterprise Linux Server Optional (v. 7) thunderbird-102.8.0-2.el7_9
    • Red Hat Enterprise Linux Workstation (v. 7) thunderbird-102.8.0-2.el7_9
  • RHSA-2023:0823 Released 2023-02-20 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream EUS (v.9.0) thunderbird-102.8.0-2.el9_0
  • RHSA-2023:0824 Released 2023-02-20 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream (v. 9) thunderbird-102.8.0-2.el9_1
  • RHSA-2023:0819 Released 2023-02-20 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream AUS (v. 8.2) thunderbird-102.8.0-2.el8_2
    • Red Hat Enterprise Linux AppStream E4S (v. 8.2) thunderbird-102.8.0-2.el8_2
    • Red Hat Enterprise Linux AppStream TUS (v. 8.2) thunderbird-102.8.0-2.el8_2
  • RHSA-2023:0818 Released 2023-02-20 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream E4S (v. 8.1) thunderbird-102.8.0-2.el8_1

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Mozilla Thunderbird 102.8

    13 records Highest priority Priority HIGH 6 HIGH, 5 MEDIUM, 2 LOW

    Other records, highest priority first

    • TI-2023-11011 Use after free in Mozilla FirefoxPriority HIGH 73
    • TI-2023-11009 Incorrect type conversion in Mozilla FirefoxPriority HIGH 73
    • TI-2023-11007 Use after free in Mozilla FirefoxPriority HIGH 73
    Show all 13 records →

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2023:0821
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2023:0824
Red Hat Enterprise Linux AppStream AUS (v. 8.2)Fixed RHSA-2023:0819
Red Hat Enterprise Linux AppStream E4S (v. 8.1)Fixed RHSA-2023:0818
Red Hat Enterprise Linux AppStream E4S (v. 8.2)Fixed RHSA-2023:0819
Red Hat Enterprise Linux AppStream EUS (v.8.4)Fixed RHSA-2023:0820
Red Hat Enterprise Linux AppStream EUS (v.8.6)Fixed RHSA-2023:0822
Red Hat Enterprise Linux AppStream EUS (v.9.0)Fixed RHSA-2023:0823
Red Hat Enterprise Linux AppStream TUS (v. 8.2)Fixed RHSA-2023:0819
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2023:0817
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2023:0817
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2023:0817

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-0616
  2. 2026-10-03 Alias added: GHSA-w7wv-wm72-g6pr

References

Advisory 2

  • TI-2024-08981 Use after free in Mozilla Firefox KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-09832 Use after free in Mozilla Firefox KEVCVSS 3.1CRITICAL 9.6
  • TI-2019-08769 Improper input validation in Mozilla Firefox ESR KEVCVSS 3.1CRITICAL 10.0
  • TI-2010-03577 Mozilla Firefox 3.5.x through 3.5.14 and 3.6.x through 3.6.11, Thunderbird 3.1.6 before… KEVCVSS 3.1CRITICAL 9.8
  • TI-2023-04799 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
  • TI-2023-04477 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
See all 2067 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences