Processing maliciously crafted web content may lead to memory corruption
Summary
Processing maliciously crafted web content may lead to memory corruption. Red Hat rates this important (CVSS 8.8). Weakness: CWE-120. Affected package(s): webkit2gtk3, webkitgtk4. Resolved in Red Hat advisory RHSA-2025:19157 — update the affected packages (`sudo dnf update`).
CISA Known Exploited Vulnerability
- Listed:
- Mar 20, 2026 · federal remediation due Apr 3, 2026
- Required action:
- Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- Ransomware use:
- Unknown
KEV is a prioritization signal from CISA — remediation detail still comes from the vendor advisory.
- webkit2gtk3-0:2.50.0-1.el8_6
- webkit2gtk3-0:2.50.0-2.el9_4
- webkit2gtk3-0:2.50.0-1.el8_10
- webkit2gtk3-0:2.50.0-1.el8_8.1
- webkit2gtk3-0:2.50.0-2.el9_2
- webkit2gtk3-0:2.50.0-2.el9_0
- webkit2gtk3-0:2.50.0-1.el8_2
- webkit2gtk3-0:2.50.0-1.el8_4
- webkit2gtk3-0:2.50.1-0.el9_6
- webkitgtk4-0:2.50.0-1.el7_9
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
- RHSA-2025:19157
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Mitigation checklist
- Update the affected package(s) to the fixed version shipped in RHSA-2025:19157 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Discussion(0)
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