AZL-96950 CVE-2026-63387 affecting package libevent 2.1.12-1

Libevent is an event notification library. Prior to 2.1.13 and 2.2.2-alpha, libevent has an off-by-one stack buffer overflow in evdns.c when dnsnametolabels formats a name-bearing DNS record at the end of the 64 KB stack buffer allocated by evdnsserverrequestformatresponse. The final-label check...

DEBIAN-CVE-2026-63381

Libevent is an event notification library. Prior to 2.1.13 and 2.2.2-alpha, libevent has a use-after-free in buffer.c when evbufferaddbufferreference processes an output buffer whose outtotallen is zero. evbufferfreeallchains frees the initial empty chain without resetting outbuf-first,...

CVE-2026-63380 Libevent: Null Pointer Dereference in `evws_new_session`

Libevent is an event notification library. Prior to 2.2.2-alpha, libevent can dereference invalid list pointers in ws.c when evwsnewsession enters its error path after evhttpstartws succeeds but buffereventenablelocking fails. evwsconnectionfree sees a non-null httpserver and unconditionally call...

CVE-2026-63380 Libevent: Null Pointer Dereference in `evws_new_session`

Libevent is an event notification library. Prior to 2.2.2-alpha, libevent can dereference invalid list pointers in ws.c when evwsnewsession enters its error path after evhttpstartws succeeds but buffereventenablelocking fails. evwsconnectionfree sees a non-null httpserver and unconditionally call...

EUVD-2026-63506

Libevent is an event notification library. Prior to 2.2.2-alpha, libevent can dereference invalid list pointers in ws.c when evwsnewsession enters its error path after evhttpstartws succeeds but buffereventenablelocking fails. evwsconnectionfree sees a non-null httpserver and unconditionally call...

CVE-2026-63381

Libevent is an event notification library. Prior to 2.1.13 and 2.2.2-alpha, libevent has a use-after-free in buffer.c when evbufferaddbufferreference processes an output buffer whose outtotallen is zero. evbufferfreeallchains frees the initial empty chain without resetting outbuf-first,...

CVE-2026-63381

Libevent (event notification library) contains a use-after-free in buffer.c when evbuffer_add_buffer_reference processes an output buffer whose out_total_len is zero. The function evbuffer_free_all_chains frees the initial empty chain without resetting outbuf->first, outbuf->last, or outbuf...

CVE-2026-63381 Libevent: Dangling Pointer in `evbuffer_add_buffer_reference`

Libevent is an event notification library. Prior to 2.1.13 and 2.2.2-alpha, libevent has a use-after-free in buffer.c when evbufferaddbufferreference processes an output buffer whose outtotallen is zero. evbufferfreeallchains frees the initial empty chain without resetting outbuf-first,...

webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash

A flaw was found in WebKitGTK. Processing maliciously crafted web content can trigger a use-after-free due to improper memory handling, resulting in an unexpected process crash...

webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash

A flaw was found in WebKitGTK. Processing maliciously crafted web content can trigger a use-after-free due to improper memory management, resulting in an unexpected process crash...

webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash

A flaw was found in WebKitGTK. Processing maliciously crafted web content can trigger a use-after-free due to improper memory handling, resulting in an unexpected process crash...

webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash

A flaw was found in WebKitGTK. Processing maliciously crafted web content can trigger a use-after-free due to improper memory management, resulting in an unexpected process crash...

webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash

A flaw was found in WebKitGTK. Processing maliciously crafted web content can trigger memory corruption due to improper memory handling, resulting in an unexpected process crash...

webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash

A flaw was found in WebKitGTK. Processing maliciously crafted web content can trigger an out-of-bounds read due to improper bounds checking, resulting in an unexpected process crash...

Important: Red Hat Security Advisory: webkit2gtk3 security update

An update for webkit2gtk3 is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Important. A Common...

webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash

A flaw was found in WebKitGTK. Processing maliciously crafted web content can trigger a use-after-free due to improper memory management, resulting in an unexpected process crash...

webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash

A flaw was found in WebKitGTK. Processing maliciously crafted web content can trigger a use-after-free due to improper memory management, resulting in an unexpected process crash...

webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash

A flaw was found in WebKitGTK. Processing maliciously crafted web content can trigger an out-of-bounds write due to improper input validation, resulting in an unexpected process crash...

webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash

A flaw was found in WebKitGTK. Processing maliciously crafted web content can trigger an out-of-bounds write due to improper memory handling, resulting in an unexpected process crash...

webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash

A flaw was found in WebKitGTK. Processing maliciously crafted web content can trigger a use-after-free due to improper memory handling, resulting in an unexpected process crash...