Red Hat Security Advisory: webkit2gtk3 security update
WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform. Security Fix(es): * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash (CVE-2025-43343) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
AI Analysis
Technical Summary
CVE-2025-43343 is a vulnerability in WebKitGTK+ (webkitgtk4) where processing maliciously crafted web content may lead to an unexpected process crash. This vulnerability is classified under CWE-119, indicating a possible memory safety issue. Red Hat has issued an important security advisory (RHSA-2025:19920) providing updated packages for Red Hat Enterprise Linux 7 Extended Lifecycle Support to fix this issue.
Potential Impact
The vulnerability may cause an unexpected process crash when handling specially crafted web content, potentially leading to denial of service conditions in applications using the affected WebKitGTK+ version. There is no indication of known exploits in the wild or further impact such as code execution.
Mitigation Recommendations
Red Hat has released updated webkitgtk4 packages for Red Hat Enterprise Linux 7 Extended Lifecycle Support that address this vulnerability. Users should apply the security update as described in Red Hat advisory RHSA-2025:19920 and the referenced article https://access.redhat.com/articles/11258. No additional mitigation steps are indicated by the vendor.
Red Hat Security Advisory: webkit2gtk3 security update
Description
WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform. Security Fix(es): * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash (CVE-2025-43343) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2025-43343 is a vulnerability in WebKitGTK+ (webkitgtk4) where processing maliciously crafted web content may lead to an unexpected process crash. This vulnerability is classified under CWE-119, indicating a possible memory safety issue. Red Hat has issued an important security advisory (RHSA-2025:19920) providing updated packages for Red Hat Enterprise Linux 7 Extended Lifecycle Support to fix this issue.
Potential Impact
The vulnerability may cause an unexpected process crash when handling specially crafted web content, potentially leading to denial of service conditions in applications using the affected WebKitGTK+ version. There is no indication of known exploits in the wild or further impact such as code execution.
Mitigation Recommendations
Red Hat has released updated webkitgtk4 packages for Red Hat Enterprise Linux 7 Extended Lifecycle Support that address this vulnerability. Users should apply the security update as described in Red Hat advisory RHSA-2025:19920 and the referenced article https://access.redhat.com/articles/11258. No additional mitigation steps are indicated by the vendor.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2025:19920
- Cve Count
- 1
Threat ID: 6a3da1de4853345fc182a9ab
Added to database: 06/25/2026, 21:47:10 UTC
Last enriched: 06/25/2026, 22:24:17 UTC
Last updated: 09/10/2026, 19:36:50 UTC
Views: 30
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