Several vulnerabilities were discovered in WebKitGTK and WPE WebKit. CVE-2021-30934 Versions affected: WebKitGTK and WPE WebKit before 2.34.4. Credit to Dani Biro. Impact: Processing maliciously crafted web content may lead to arbitrary code execution. Description: A buffer overflow issue was addressed with improved memory handling. CVE-2021-30936 Versions affected: WebKitGTK and WPE WebKit before 2.34.4. Credit to Chijin Zhou of ShuiMuYuLin Ltd and Tsinghua wingtecher lab. Impact: Processing maliciously crafted web content may lead to arbitrary code execution. Description: A use after free issue was addressed with improved memory management. CVE-2021-30951 Versions affected: WebKitGTK and WPE WebKit before 2.34.4. Credit to Pangu. Impact: Processing maliciously crafted web content may lead to arbitrary code execution. Description: A use after free issue was addressed with improved memory management. CVE-2021-30952 Versions affected: WebKitGTK and WPE WebKit before 2.34.4. Credit to WeBin. Impact: Processing maliciously crafted web content may lead to arbitrary code execution. Description: An integer overflow was addressed with improved input validation. CVE-2021-30953 Versions affected: WebKitGTK and WPE WebKit before 2.34.4. Credit to VRIJ. Impact: Processing maliciously crafted web content may lead to arbitrary code execution. Description: An out-of-bounds read was addressed with improved bounds checking. CVE-2021-30954 Versions affected: WebKitGTK and WPE WebKit before 2.34.4. Credit to Kunlun Lab. Impact: Processing maliciously crafted web content may lead to arbitrary code execution. Description: A type confusion issue was addressed with improved memory handling. CVE-2021-30984 Versions affected: WebKitGTK and WPE WebKit before 2.34.4. Credit to Kunlun Lab. Impact: Processing maliciously crafted web content may lead to arbitrary code execution. Description: A race condition was addressed with improved state handling. CVE-2022-XXXXX Versions affected: WebKitGTK and WPE WebKit before 2.34.4. Credit to Martin Bajanik from fingerprintjs.com. Impact: A malicious website may exfiltrate data cross-origin. Description: A cross-origin issue existed with the IndexedDB. This was addressed with improved checking of security origins. Notes: There is a public PoC demonstrating this issue at https://safarileaks.com so this issue may have been actively exploited. We still don't know the CVE number that will be assigned to this issue. We will update this advisory once we know it. CVE-2021-45481 Versions affected: WebKitGTK and WPE WebKit before 2.34.0. Credit to Chijin Zhou of ShuiMuYuLin Ltd and Tsinghua wingtecher lab. Processing maliciously crafted web content may cause an application crash due to an incorrect memory allocation in WebCore::ImageBufferCairoImageSurfaceBackend::create CVE-2021-45482 Versions affected: WebKitGTK and WPE WebKit before 2.32.4. Credit to Chijin Zhou of ShuiMuYuLin Ltd and Tsinghua wingtecher lab. Processing maliciously crafted web content may cause a memory corruption issue (use-after-free) in WebCore::ContainerNode::firstChild CVE-2021-45483 Versions affected: WebKitGTK and WPE WebKit before 2.34.0. Credit to Chijin Zhou of ShuiMuYuLin Ltd and Tsinghua wingtecher lab. Processing maliciously crafted web content may cause a memory corruption issue (heap-use-after-free) in WebCore::Frame::page
Thanks! Let's handle this in bug 831739 which has most of the CVEs there already and a patch from leio. *** This bug has been marked as a duplicate of bug 831739 ***
actually, I think most of those are fixed in earlier versions, just not the first one. they're just slacking with advisories
