← All Advisories
Reported from OT-Advisories.com as of

CVE-2026-12290

Last refreshed2026-10-23

Status: UPDATED  |  Advisory ID: CVE-2026-12290

Key Details

CVECVE-2026-12290
CVSS Score / Version
8.1 (High) / CVSS v3.1
Updated2026-10-21
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
CVSS Prose
attack vector is network; attack complexity is low; privileges required is none; user interaction is required; scope is unchanged; confidentiality impact is high; integrity impact is high; availability impact is none.
Affected products
see table below
Classified as
CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

Affected Products, Subsystems & Sectors

VendorProductAffected VersionsPatch Status
Red HatRed Hat Enterprise Linux 10
Red HatRed Hat Enterprise Linux 10.0 Extended Update Support
Red HatRed Hat Enterprise Linux 8
Red HatRed Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
Red HatRed Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On
Red HatRed Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
Red HatRed Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On
Red HatRed Hat Enterprise Linux 8.8 Telecommunications Update Service
Red HatRed Hat Enterprise Linux 8.8 Update Services for SAP Solutions
Red HatRed Hat Enterprise Linux 9
Red HatRed Hat Enterprise Linux 9.2 Update Services for SAP Solutions
Red HatRed Hat Enterprise Linux 9.4 Update Services for SAP Solutions
Red HatRed Hat Enterprise Linux 9.6 Extended Update Support
Red HatRed Hat Enterprise Linux 7 Extended Lifecycle Support
SubsystemsOT Supporting Infrastructure
SectorsMultiple

What to Know

Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12. (NVD)

What to Do

Monitor Red Hat's web page for any future patch releases. See vendor advisory link below.

References

SourceReference
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-12290
CVEhttps://www.cve.org/CVERecord?id=CVE-2026-12290
Vendor advisoryhttps://www.mozilla.org/security/advisories/mfsa2026-57/
Report compilation © 2026 OT-Advisories.com  ·  CC BY 4.0  ·  Source materials remain the property of their respective publishers as cited.