CVE-2026-56154

A use-after-free flaw was found in the modrewrite module of Apache HTTP Server when evaluating URL lookahead expressions that reference HTTP request headers, such as %LA-U:HTTP:.... A remote attacker may be able to trigger invalid memory access in a server using an affected rewrite configuration,...

httpd: httpd: Denial of Service via mod_rewrite lookahead

A use-after-free flaw was found in the modrewrite module of Apache HTTP Server when evaluating URL lookahead expressions that reference HTTP request headers, such as %LA-U:HTTP:.... A remote attacker may be able to trigger invalid memory access in a server using an affected rewrite configuration,...

ALPINE-CVE-2026-56154

Use After Free vulnerability in Apache HTTP Server's modrewrite when using lookahead %LA-U:HTTP:... This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68...

DEBIAN-CVE-2026-56154

Use After Free vulnerability in Apache HTTP Server's modrewrite when using lookahead %LA-U:HTTP:... This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68...

CVE-2026-56154

Use After Free vulnerability in Apache HTTP Server's modrewrite when using lookahead %LA-U:HTTP:... This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68...

CVE-2026-56154

Use After Free vulnerability in Apache HTTP Server's modrewrite when using lookahead %LA-U:HTTP:... This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68...

UBUNTU-CVE-2026-56154

Use After Free vulnerability in Apache HTTP Server's modrewrite when using lookahead %LA-U:HTTP:... This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68...

CVE-2026-56154

Use After Free vulnerability in Apache HTTP Server's modrewrite when using lookahead %LA-U:HTTP:... This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68...

EUVD-2026-90894

Use After Free vulnerability in Apache HTTP Server's modrewrite when using lookahead %LA-U:HTTP:... This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68...

CVE-2026-56154

Use After Free vulnerability in Apache HTTP Server's modrewrite when using lookahead %LA-U:HTTP:... This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68...

PT-2026-103928

Name of the Vulnerable Software and Affected Versions Apache HTTP Server versions 2.4.0 through 2.4.68 Description A Use After Free issue exists in the mod rewrite module when utilizing the lookahead feature %LA-U:HTTP:.... Use After Free is a memory corruption flaw that occurs when an applicatio...

CVE-2026-56154: Use After Free

Use After Free vulnerability in Apache HTTP Server's modrewrite when using lookahead %LA-U:HTTP:... This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68...

CVE-2026-56154: Use After Free

Use After Free vulnerability in Apache HTTP Server's modrewrite when using lookahead %LA-U:HTTP:... This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68...

Updated perl-XML-Bare packages fix security vulnerabilities

XML::Bare versions through 0.53 for Perl have an unbounded character lookahead. XML::Bare versions through 0.53 for Perl will hang in an infinite loop when parsing malformed attributes...

MGASA-2026-0368 Updated perl-XML-Bare packages fix security vulnerabilities

XML::Bare versions through 0.53 for Perl have an unbounded character lookahead. XML::Bare versions through 0.53 for Perl will hang in an infinite loop when parsing malformed attributes...

CVE-2026-52737 ZEBRA: Sync restart poisoning from single unauthenticated peer via above-lookahead block

ZEBRA is a Zcash node written entirely in Rust. Prior to 4.5.0, a malicious unauthenticated P2P peer can answer Zebra's outbound getblocks or FindBlocks request with a small two-hash inventory and then serve a syntactically valid block whose coinbase height is far above the local chain tip. In...

CVE-2026-52737 ZEBRA: Sync restart poisoning from single unauthenticated peer via above-lookahead block

ZEBRA is a Zcash node written entirely in Rust. Prior to 4.5.0, a malicious unauthenticated P2P peer can answer Zebra's outbound getblocks or FindBlocks request with a small two-hash inventory and then serve a syntactically valid block whose coinbase height is far above the local chain tip. In...

CVE-2026-57074

A flaw was found in perl-XML-Bare. The parsercparse function, which handles XML parsing, contains an unbounded character lookahead vulnerability. A remote attacker could exploit this by providing a specially crafted, truncated XML string. This could cause the parser to attempt to read data beyond...

[SECURITY] [DSA 6411-1] aom security update

------------------------------------------------------------------------- Debian Security Advisory DSA-6411-1 [email protected] https://www.debian.org/security/ Aron Xu August 05, 2026 https://www.debian.org/security/faq -...

openSUSE 16 Security Update : perl-XML-Bare (openSUSE-SU-2026:21435-1)

The remote openSUSE 16 host has a package installed that is affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:21435-1 advisory. Changes in perl-XML-Bare: - CVE-2026-13401: XML:Bare would hang when parsing malformed attributes bsc1271640 - CVE-2026-57074: Fixed unbounded...