OESA-2026-1264

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Source
https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2026-1264
Import Source
https://repo.openeuler.org/security/data/osv/OESA-2026-1264.json
JSON Data
https://api.osv.dev/v1/vulns/OESA-2026-1264
Upstream
  • CVE-2025-14321
  • CVE-2025-14322
  • CVE-2025-14323
  • CVE-2025-14324
  • CVE-2025-14325
  • CVE-2025-14327
  • CVE-2025-14328
  • CVE-2025-14329
  • CVE-2025-14330
  • CVE-2025-14331
  • CVE-2025-14333
  • CVE-2026-0877
  • CVE-2026-0878
  • CVE-2026-0879
  • CVE-2026-0880
  • CVE-2026-0882
  • CVE-2026-0883
  • CVE-2026-0884
  • CVE-2026-0885
  • CVE-2026-0886
  • CVE-2026-0887
  • CVE-2026-0890
  • CVE-2026-0891
Published
2026-01-30T12:28:20Z
Modified
2026-01-30T13:00:14.723321Z
Summary
thunderbird security update
Details

Mozilla Thunderbird is a standalone mail and newsgroup client.

Security Fix(es):

Use-after-free in the WebRTC: Signaling component. This vulnerability affects Firefox < 146, Firefox ESR < 140.6, Thunderbird < 146, and Thunderbird < 140.6.(CVE-2025-14321)

Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability affects Firefox < 146, Firefox ESR < 115.31, Firefox ESR < 140.6, Thunderbird < 146, and Thunderbird < 140.6.(CVE-2025-14322)

Privilege escalation in the DOM: Notifications component. This vulnerability affects Firefox < 146, Firefox ESR < 115.31, Firefox ESR < 140.6, Thunderbird < 146, and Thunderbird < 140.6.(CVE-2025-14323)

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability affects Firefox < 146, Firefox ESR < 115.31, Firefox ESR < 140.6, Thunderbird < 146, and Thunderbird < 140.6.(CVE-2025-14324)

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability affects Firefox < 146, Firefox ESR < 140.6, Thunderbird < 146, and Thunderbird < 140.6.(CVE-2025-14325)

Spoofing issue in the Downloads Panel component. This vulnerability affects Firefox < 146, Thunderbird < 146, Firefox ESR < 140.7, and Thunderbird < 140.7.(CVE-2025-14327)

Privilege escalation in the Netmonitor component. This vulnerability affects Firefox < 146, Firefox ESR < 140.6, Thunderbird < 146, and Thunderbird < 140.6.(CVE-2025-14328)

Privilege escalation in the Netmonitor component. This vulnerability affects Firefox < 146, Firefox ESR < 140.6, Thunderbird < 146, and Thunderbird < 140.6.(CVE-2025-14329)

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability affects Firefox < 146, Firefox ESR < 140.6, Thunderbird < 146, and Thunderbird < 140.6.(CVE-2025-14330)

Same-origin policy bypass in the Request Handling component. This vulnerability affects Firefox < 146, Firefox ESR < 115.31, Firefox ESR < 140.6, Thunderbird < 146, and Thunderbird < 140.6.(CVE-2025-14331)

Memory safety bugs present in Firefox ESR 140.5, Thunderbird ESR 140.5, Firefox 145 and Thunderbird 145. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 146, Firefox ESR < 140.6, Thunderbird < 146, and Thunderbird < 140.6.(CVE-2025-14333)

Mitigation bypass in the DOM: Security component. This vulnerability affects Firefox < 147, Firefox ESR < 115.32, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.(CVE-2026-0877)

Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability affects Firefox < 147, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.(CVE-2026-0878)

Sandbox escape due to incorrect boundary conditions in the Graphics component. This vulnerability affects Firefox < 147, Firefox ESR < 115.32, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.(CVE-2026-0879)

Sandbox escape due to integer overflow in the Graphics component. This vulnerability affects Firefox < 147, Firefox ESR < 115.32, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.(CVE-2026-0880)

Use-after-free in the IPC component. This vulnerability affects Firefox < 147, Firefox ESR < 115.32, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.(CVE-2026-0882)

Information disclosure in the Networking component. This vulnerability affects Firefox < 147, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.(CVE-2026-0883)

Use-after-free in the JavaScript Engine component. This vulnerability affects Firefox < 147, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.(CVE-2026-0884)

Use-after-free in the JavaScript: GC component. This vulnerability affects Firefox < 147, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.(CVE-2026-0885)

Incorrect boundary conditions in the Graphics component. This vulnerability affects Firefox < 147, Firefox ESR < 115.32, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.(CVE-2026-0886)

Clickjacking issue, information disclosure in the PDF Viewer component. This vulnerability affects Firefox < 147, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.(CVE-2026-0887)

Spoofing issue in the DOM: Copy & Paste and Drag & Drop component. This vulnerability affects Firefox < 147, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.(CVE-2026-0890)

Memory safety bugs present in Firefox ESR 140.6, Thunderbird ESR 140.6, Firefox 146 and Thunderbird 146. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 147, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.(CVE-2026-0891)

Database specific 
{
    "severity": "Critical"
}
References

Affected packages

openEuler:24.03-LTS-SP3 / thunderbird

Package

Name
thunderbird
Purl
pkg:rpm/openEuler/thunderbird&distro=openEuler-24.03-LTS-SP3

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
140.7.0-1.oe2403sp3

Ecosystem specific 

{
    "aarch64": [
        "thunderbird-140.7.0-1.oe2403sp3.aarch64.rpm",
        "thunderbird-debuginfo-140.7.0-1.oe2403sp3.aarch64.rpm",
        "thunderbird-debugsource-140.7.0-1.oe2403sp3.aarch64.rpm",
        "thunderbird-librnp-rnp-140.7.0-1.oe2403sp3.aarch64.rpm",
        "thunderbird-wayland-140.7.0-1.oe2403sp3.aarch64.rpm"
    ],
    "src": [
        "thunderbird-140.7.0-1.oe2403sp3.src.rpm"
    ],
    "x86_64": [
        "thunderbird-140.7.0-1.oe2403sp3.x86_64.rpm",
        "thunderbird-debuginfo-140.7.0-1.oe2403sp3.x86_64.rpm",
        "thunderbird-debugsource-140.7.0-1.oe2403sp3.x86_64.rpm",
        "thunderbird-librnp-rnp-140.7.0-1.oe2403sp3.x86_64.rpm",
        "thunderbird-wayland-140.7.0-1.oe2403sp3.x86_64.rpm"
    ]
}

Database specific

source 
"https://repo.openeuler.org/security/data/osv/OESA-2026-1264.json"