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Description

A flaw was found in WebKitGTK. Processing malicious web content can cause an unexpected process crash due to improper memory handling.

PUBLISHED Reserved 2025-11-26 | Published 2025-12-04 | Updated 2025-12-22 | Assigner redhat




HIGH: 8.8CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Problem types

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Product status

Default status
unaffected

Any version before 2.50.3
affected

Default status
affected

0:2.50.3-2.el7_9 (rpm) before *
unaffected

Default status
affected

0:2.50.3-1.el8_10 (rpm) before *
unaffected

Default status
affected

0:2.50.3-2.el8_2 (rpm) before *
unaffected

Default status
affected

0:2.50.3-2.el8_4 (rpm) before *
unaffected

Default status
affected

0:2.50.3-2.el8_4 (rpm) before *
unaffected

Default status
affected

0:2.50.3-2.el8_6 (rpm) before *
unaffected

Default status
affected

0:2.50.3-2.el8_6 (rpm) before *
unaffected

Default status
affected

0:2.50.3-2.el8_6 (rpm) before *
unaffected

Default status
affected

0:2.50.3-2.el8_8 (rpm) before *
unaffected

Default status
affected

0:2.50.3-2.el8_8 (rpm) before *
unaffected

Default status
affected

0:2.50.3-1.el9_7 (rpm) before *
unaffected

Default status
affected

0:2.50.3-1.el9_0 (rpm) before *
unaffected

Default status
affected

0:2.50.3-1.el9_2 (rpm) before *
unaffected

Default status
affected

0:2.50.3-1.el9_4 (rpm) before *
unaffected

Default status
affected

0:2.50.3-1.el9_6 (rpm) before *
unaffected

Default status
unknown

Default status
affected

Timeline

2025-12-04:Reported to Red Hat.
2025-12-04:Made public.

References

access.redhat.com/errata/RHSA-2025:22789 (RHSA-2025:22789) vendor-advisory

access.redhat.com/errata/RHSA-2025:22790 (RHSA-2025:22790) vendor-advisory

access.redhat.com/errata/RHSA-2025:23110 (RHSA-2025:23110) vendor-advisory

access.redhat.com/errata/RHSA-2025:23433 (RHSA-2025:23433) vendor-advisory

access.redhat.com/errata/RHSA-2025:23434 (RHSA-2025:23434) vendor-advisory

access.redhat.com/errata/RHSA-2025:23451 (RHSA-2025:23451) vendor-advisory

access.redhat.com/errata/RHSA-2025:23452 (RHSA-2025:23452) vendor-advisory

access.redhat.com/errata/RHSA-2025:23583 (RHSA-2025:23583) vendor-advisory

access.redhat.com/errata/RHSA-2025:23591 (RHSA-2025:23591) vendor-advisory

access.redhat.com/errata/RHSA-2025:23742 (RHSA-2025:23742) vendor-advisory

access.redhat.com/errata/RHSA-2025:23743 (RHSA-2025:23743) vendor-advisory

access.redhat.com/security/cve/CVE-2025-66287 vdb-entry

bugzilla.redhat.com/show_bug.cgi?id=2418857 (RHBZ#2418857) issue-tracking

webkitgtk.org/security/WSA-2025-0009.html

cve.org (CVE-2025-66287)

nvd.nist.gov (CVE-2025-66287)

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