Heap overflow

In Apache HTTP Server versions 2.4.0 to 2.4.46 a specially crafted SessionHeader sent by an origin server could cause a heap overflow...

CVE-2021-30641 Unexpected URL matching with 'MergeSlashes OFF'

Apache HTTP Server versions 2.4.39 to 2.4.46 Unexpected matching behavior with 'MergeSlashes OFF'...

CVE-2021-30641

CVE-2021-30641 affects Apache HTTP Server 2.4.39–2.4.46 with unexpected matching behavior when MergeSlashes OFF. Connected sources indicate patched versions: Debian fixes in 2.4.38-based packages, AlmaLinux/RedHat advisories reference a fix in Apache 2.4.51 for supported Check Point versions, and...

CVE-2021-30641

Apache HTTP Server versions 2.4.39 to 2.4.46 Unexpected matching behavior with 'MergeSlashes OFF'...

CVE-2021-30641

Apache HTTP Server versions 2.4.39 to 2.4.46 Unexpected matching behavior with 'MergeSlashes OFF'...

CVE-2021-26691

In Apache HTTP Server versions 2.4.0 to 2.4.46 a specially crafted SessionHeader sent by an origin server could cause a heap overflow...

CVE-2021-26691

CVE-2021-26691 affects Apache HTTP Server, where a crafted SessionHeader can cause a heap overflow in 2.4.0–2.4.46. Several connected advisories indicate that updates have been released (e.g., AlmaLinux/CentOS/Red Hat ecosystems) and that newer Apache HTTP Server versions (e.g., 2.4.51 in Check P...

CVE-2021-26691 Apache HTTP Server mod_session response handling heap overflow

In Apache HTTP Server versions 2.4.0 to 2.4.46 a specially crafted SessionHeader sent by an origin server could cause a heap overflow...

CVE-2021-26691

In Apache HTTP Server versions 2.4.0 to 2.4.46 a specially crafted SessionHeader sent by an origin server could cause a heap overflow...

CVE-2021-26691

In Apache HTTP Server versions 2.4.0 to 2.4.46 a specially crafted SessionHeader sent by an origin server could cause a heap overflow...

CVE-2021-26690

Apache HTTP Server versions 2.4.0 to 2.4.46 A specially crafted Cookie header handled by modsession can cause a NULL pointer dereference and crash, leading to a possible Denial Of Service...

CVE-2021-26690

CVE-2021-26690 affects Apache HTTP Server 2.4.0–2.4.46 due to a NULL pointer dereference in mod_session when parsing a crafted Cookie header, leading to Denial of Service. Public advisories and vendor pages confirm a patch exists in newer httpd releases (e.g., 2.4.46+/2.4.51 in various distributi...

CVE-2021-26690 mod_session NULL pointer dereference

Apache HTTP Server versions 2.4.0 to 2.4.46 A specially crafted Cookie header handled by modsession can cause a NULL pointer dereference and crash, leading to a possible Denial Of Service...

CVE-2021-26690

Apache HTTP Server versions 2.4.0 to 2.4.46 A specially crafted Cookie header handled by modsession can cause a NULL pointer dereference and crash, leading to a possible Denial Of Service...

CVE-2021-26690

Apache HTTP Server versions 2.4.0 to 2.4.46 A specially crafted Cookie header handled by modsession can cause a NULL pointer dereference and crash, leading to a possible Denial Of Service...

CVE-2020-13950

CVE-2020-13950 affects Apache HTTP Server (httpd) mod_proxy_http, with versions 2.4.41–2.4.46 vulnerable to a NULL pointer dereference triggered by specially crafted requests using both Content-Length and Transfer-Encoding headers, causing Denial of Service. Connected documents confirm impact as ...

CVE-2020-13950 mod_proxy_http NULL pointer dereference

Apache HTTP Server versions 2.4.41 to 2.4.46 modproxyhttp can be made to crash NULL pointer dereference with specially crafted requests using both Content-Length and Transfer-Encoding headers, leading to a Denial of Service...

CVE-2020-13950

Apache HTTP Server versions 2.4.41 to 2.4.46 modproxyhttp can be made to crash NULL pointer dereference with specially crafted requests using both Content-Length and Transfer-Encoding headers, leading to a Denial of Service...

CVE-2020-13950

Apache HTTP Server versions 2.4.41 to 2.4.46 modproxyhttp can be made to crash NULL pointer dereference with specially crafted requests using both Content-Length and Transfer-Encoding headers, leading to a Denial of Service...

CVE-2020-35452

Apache HTTP Server versions 2.4.0 to 2.4.46 A specially crafted Digest nonce can cause a stack overflow in modauthdigest. There is no report of this overflow being exploitable, nor the Apache HTTP Server team could create one, though some particular compiler and/or compilation option might make i...