OESA-2026-4458

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Source
https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2026-4458
Import Source
https://repo.openeuler.org/security/data/osv/OESA-2026-4458.json
JSON Data
https://api.osv.dev/v1/vulns/OESA-2026-4458
Upstream
  • CVE-2026-103500
Published
2026-10-22T14:35:22Z
Modified
2026-10-22T14:45:06Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
thunderbird security update
Details

Mozilla Thunderbird is a standalone mail and newsgroup client.

Security Fix(es):

An attacker could cause a heap buffer overflow by getting a user to open an email that is greater than or equal to 2GB in size. This vulnerability was fixed in Thunderbird 157, Thunderbird 140.17, and Thunderbird 153.4.(CVE-2026-103500)

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

Affected packages

openEuler:24.03-LTS-SP4 / thunderbird

Package

Name
thunderbird
Purl
pkg:rpm/openEuler/thunderbird&distro=openEuler-24.03-LTS-SP4

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
140.17.0-1.oe2403sp4

Ecosystem specific 

{
    "aarch64":  [
        "thunderbird-140.17.0-1.oe2403sp4.aarch64.rpm",
        "thunderbird-debuginfo-140.17.0-1.oe2403sp4.aarch64.rpm",
        "thunderbird-debugsource-140.17.0-1.oe2403sp4.aarch64.rpm",
        "thunderbird-librnp-rnp-140.17.0-1.oe2403sp4.aarch64.rpm",
        "thunderbird-wayland-140.17.0-1.oe2403sp4.aarch64.rpm"
    ],
    "src":  [
        "thunderbird-140.17.0-1.oe2403sp4.src.rpm"
    ],
    "x86_64":  [
        "thunderbird-140.17.0-1.oe2403sp4.x86_64.rpm",
        "thunderbird-debuginfo-140.17.0-1.oe2403sp4.x86_64.rpm",
        "thunderbird-debugsource-140.17.0-1.oe2403sp4.x86_64.rpm",
        "thunderbird-librnp-rnp-140.17.0-1.oe2403sp4.x86_64.rpm",
        "thunderbird-wayland-140.17.0-1.oe2403sp4.x86_64.rpm"
    ]
}

Database specific

source 
"https://repo.openeuler.org/security/data/osv/OESA-2026-4458.json"