tomcat: Apache Tomcat: Access control bypass due to off-by-one error in RewriteValve [N] flag processing

A flaw was found in Apache Tomcat. An off-by-one error in the RewriteValve's N flag processing causes rewrite rules to restart at the second rule instead of the first. This vulnerability may allow an attacker to bypass intended access controls...

CVE-2022-3602

CVE−2022-3602 What is this? This document and repository is a write-up of CVE−2022-3602, a punycode buffer overflow issue in OpenSSL. It's an "anti-POC" the issue does not appear to exploitable intended for folks who maintain their own OpenSSL builds and for compiler maintainers. There is a...

tomcat: Apache Tomcat: Access control bypass due to off-by-one error in RewriteValve [N] flag processing

A flaw was found in Apache Tomcat. An off-by-one error in the RewriteValve's N flag processing causes rewrite rules to restart at the second rule instead of the first. This vulnerability may allow an attacker to bypass intended access controls...

CVE-2023-40296

CVE-2023-40296 async-sockets-cpp 0.3.1 이하에는 udpsocket.hpp의 160-167행 부근에 있는 static void ReceiveFromUDPSocket udpSocket에서 off-by-one 버퍼 오버플로 취약점이 존재합니다. 이 버퍼 오버플로는 해당하는 모든 UDP 서버에 영향을 미칩니다. 원격 버퍼 오버플로는 UDP 소켓에 연결하여 큰 바이트 버퍼를 전송함으로써 트리거될 수 있습니다...

cve-2016-6187-poc

poc for https://duasynt.com/blog/cve-2016-6187-heap-off-by-one-exploit...

OBO

Off-By-One Off-By-One 컨퍼런스의 슬라이드 모든 강연 보기 연도 ↓| 슬라이드| 유튜브 재생목록 ---|---|--- 2024| 1일차 슬라이드| Day 1 - OffByOne 2024 온라인 발표 2024| 2일차 슬라이드| Day 2 - OffByOne 2024 온라인 발표...

Important: Red Hat Security Advisory: kernel security, bug fix, and enhancement update

An update for kernel is now available for Red Hat Enterprise Linux 9.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

CVE-2006-3747

Files about my bugtraq publication and first working exploit for CVE-2006-3747 Apache modrewrite LDAP off-by-one buffer overflow. http://www.securityfocus.com/archive/1/443870 Public release date of POC/Exploit: 2006-08-20 Author: Jacobo Avariento Gimeno CVE id: CVE-2006-3747 Bugtraq id: 19204 CE...

CentOS Linux 7 [TuxCare] Security Update: libtasn1 / libtasn1-devel / libtasn1-tools (CENTOS7:CLSA-2023:1695406987)

The CentOS Linux 7 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS7:CLSA-2023:1695406987 advisory. - GNU Libtasn1 before 4.19.0 has an ETYPEOK off-by-one array size check that affects asn1encodesimpleder. CVE-2021-46848 Note that Nessus has not...

CentOS Linux 7 [TuxCare] Security Update: glib2 / glib2-devel / glib2-doc / glib2-fam / glib2-static / etc Multiple Vulnerabilities (CENTOS7:CLSA-2026:1783690752)

The CentOS Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS7:CLSA-2026:1783690752 advisory. - A flaw was found in GLib. An off-by-one error can occur in the gkeyfilegetlocalestringlist function in the gkeyfile.c file when loadin...

Linux Distros Unpatched Vulnerability : CVE-2026-100889

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A vulnerability was detected in Trusted Domain Project OpenDKIM up to 2.11.0. Affected is the function dkimqpdecode of the file util.c of the component Decoder...

FreeBSD -- Remote DoS via receive-side kernel TLS

Problem Description: TLS 1.3 embeds the actual record type as the last non-zero byte of the decrypted payload, optionally followed by zero padding. The code which searches for the inner record type had an off-by-one bug which could be triggered by an invalid frame, leading to an underflow followe...

Off-by-one Error

org.apache.tomcat, tomcat-catalina is vulnerable to an Off-by-one Error. The vulnerability is due to rewrite processing restarting at the second rule instead of the first, which allows an attacker to potentially bypass intended rewrite rules or cause unintended request processing...

CVE-2026-101014

A flaw was found in OpenDMARC. An off-by-one boundary error exists in the DMARC Domain-based Message Authentication, Reporting, and Conformance record parser during cleanup operations in the opendmarcutilcleanup function. A remote attacker could exploit this vulnerability by submitting specially...

CVE-2026-101014

A vulnerability was detected in Trusted Domain Project OpenDMARC up to 1.4.2. Affected by this vulnerability is the function opendmarcutilcleanup in the library libopendmarc/opendmarcutil.c of the component DMARC Record Parser. Performing a manipulation results in off-by-one. The attack may be...

CVE-2026-101014

A vulnerability was detected in Trusted Domain Project OpenDMARC up to 1.4.2. Affected by this vulnerability is the function opendmarcutilcleanup in the library libopendmarc/opendmarcutil.c of the component DMARC Record Parser. Performing a manipulation results in off-by-one. The attack may be...

UBUNTU-CVE-2026-101014

A vulnerability was detected in Trusted Domain Project OpenDMARC up to 1.4.2. Affected by this vulnerability is the function opendmarcutilcleanup in the library libopendmarc/opendmarcutil.c of the component DMARC Record Parser. Performing a manipulation results in off-by-one. The attack may be...

CVE-2021-3156

CVE-2021-3156 - Heap-Based Buffer Overflow in Sudo ⚠️ For educational and authorized security research purposes only Original Exploit Authors Very grateful to the original PoC author Qualys Research Team Description Sudo before 1.9.5p2 contains an off-by-one error that can result in a heap-based...

EUVD-2026-88167

A vulnerability was detected in Trusted Domain Project OpenDMARC up to 1.4.2. Affected by this vulnerability is the function opendmarcutilcleanup in the library libopendmarc/opendmarcutil.c of the component DMARC Record Parser. Performing a manipulation results in off-by-one. The attack may be...

CVE-2026-101014 Trusted Domain Project OpenDMARC DMARC Record opendmarc_util.c opendmarc_util_cleanup off-by-one

A vulnerability was detected in Trusted Domain Project OpenDMARC up to 1.4.2. Affected by this vulnerability is the function opendmarcutilcleanup in the library libopendmarc/opendmarcutil.c of the component DMARC Record Parser. Performing a manipulation results in off-by-one. The attack may be...