nginx: ngx_http_rewrite_module: code execution and denial of service

A flaw was found in the ngxhttprewritemodule module of NGINX. When a rewrite directive uses a regex pattern with distinct, overlapping Perl-Compatible Regular Expression PCRE captures and a replacement string that references multiple such captures in a redirect or arguments context, an...

CVE-2026-54257

CVE-2026-54257 affects Electron 42.3.1 through 42.3.2 where the Node.js Buffer API uses incorrect byte-length calculations, causing heap underflow/overflow. This can lead to crashes and, in some cases, incorrect buffer allocations (truncation or misallocation). The issue is fixed in Electron 42.3...

CVE-2026-8358

A heap-based buffer overflow vulnerability was discovered in LibreOffice Calc's spreadsheet importer. When processing tracked changes from a spreadsheet document, the application fails to properly handle duplicate change identifiers. By reusing the same change identifier for two distinct types of...

Apache HTTP Server: mod_proxy_ajp: Apache HTTP Server mod_proxy_ajp: Arbitrary code execution via heap-based buffer overflow

A flaw was found in modproxyajp of Apache HTTP Server. This heap-based buffer overflow vulnerability allows a remote attacker, by connecting to a malicious AJP Apache JServ Protocol server, to send a specially crafted message. This message can cause modproxyajp to write attacker-controlled data...

Apache HTTP Server: mod_proxy_ajp: Apache HTTP Server mod_proxy_ajp: Arbitrary code execution via heap-based buffer overflow

A flaw was found in modproxyajp of Apache HTTP Server. This heap-based buffer overflow vulnerability allows a remote attacker, by connecting to a malicious AJP Apache JServ Protocol server, to send a specially crafted message. This message can cause modproxyajp to write attacker-controlled data...

CVE-2026-12725 Dnsmasq: dnsmasq: heap buffer overflow in log_query() when logging unsupported ds/dnskey replies

A heap-based buffer overflow was found in dnsmasq. When DNSSEC validation and query logging are both enabled, logging of DS or DNSKEY replies containing unsupported algorithm or digest types can cause dnsmasq to write past the end of an internal logging buffer. A remote attacker able to supply su...

CVE-2026-12725

CVE-2026-12725 affects dnsmasq. The flaw is a heap-based buffer overflow in the log_query() path when DNSSEC validation and query logging are both enabled and DNS responses contain DS/DNSKEY records with unsupported algorithm or digest types. This can cause dnsmasq to write past the end of an int...

CVE-2026-12725

A heap-based buffer overflow was found in dnsmasq. When DNSSEC validation and query logging are both enabled, logging of DS or DNSKEY replies containing unsupported algorithm or digest types can cause dnsmasq to write past the end of an internal logging buffer. A remote attacker able to supply su...

EUVD-2026-38278

A heap-based buffer overflow was found in dnsmasq. When DNSSEC validation and query logging are both enabled, logging of DS or DNSKEY replies containing unsupported algorithm or digest types can cause dnsmasq to write past the end of an internal logging buffer. A remote attacker able to supply su...

CVE-2026-12805

A flaw was found in OFFIS DCMTK. A remote attacker could exploit this vulnerability by manipulating input to the XMLNode::parseFile function. This can lead to a heap-based buffer overflow, a type of memory corruption, which may result in information disclosure or denial of service. Mitigation Use...

poppler: Integer overflow in Poppler SplashOutputDev::tilingPatternFill leads to heap buffer overflow via unchecked dimension multiplication

A flaw was found in Poppler's Splash backend. A remote attacker could exploit this vulnerability by crafting a malicious PDF file that, when rendered, triggers an integer overflow in the tilingPatternFill function. This overflow leads to an undersized heap memory allocation, allowing a subsequent...

poppler: Integer overflow in Poppler SplashOutputDev::tilingPatternFill leads to heap buffer overflow via unchecked dimension multiplication

A flaw was found in Poppler's Splash backend. A remote attacker could exploit this vulnerability by crafting a malicious PDF file that, when rendered, triggers an integer overflow in the tilingPatternFill function. This overflow leads to an undersized heap memory allocation, allowing a subsequent...

Important: Red Hat Security Advisory: poppler security update

An update for poppler is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerabili...

poppler: Integer overflow in Poppler SplashOutputDev::tilingPatternFill leads to heap buffer overflow via unchecked dimension multiplication

A flaw was found in Poppler's Splash backend. A remote attacker could exploit this vulnerability by crafting a malicious PDF file that, when rendered, triggers an integer overflow in the tilingPatternFill function. This overflow leads to an undersized heap memory allocation, allowing a subsequent...

PT-2026-51382

Multiple remote code execution RCE and control-flow corruption vulnerabilities have been identified in FastStone Image Viewer 8.3 and earlier, stemming from flaws in its JPEG 2000 JP2 and PSD file parsers. Attackers can exploit these by tricking the application into processing specially crafted...

Linux Distros Unpatched Vulnerability : CVE-2026-12725

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A heap-based buffer overflow was found in dnsmasq. When DNSSEC validation and query logging are both enabled, logging of DS or DNSKEY replies containing...

CVE-2026-12805

A flaw has been found in OFFIS DCMTK up to 3.7.0. The affected element is the function XMLNode::parseFile in the library ofstd/libsrc/ofxml.cc. Executing a manipulation can lead to heap-based buffer overflow. The attack may be performed from remote. The exploit has been published and may be used...

CVE-2026-12805 OFFIS DCMTK ofxml.cc parseFile heap-based overflow

A flaw has been found in OFFIS DCMTK up to 3.7.0. The affected element is the function XMLNode::parseFile in the library ofstd/libsrc/ofxml.cc. Executing a manipulation can lead to heap-based buffer overflow. The attack may be performed from remote. The exploit has been published and may be used...

CVE-2026-12805 OFFIS DCMTK ofxml.cc parseFile heap-based overflow

A flaw has been found in OFFIS DCMTK up to 3.7.0. The affected element is the function XMLNode::parseFile in the library ofstd/libsrc/ofxml.cc. Executing a manipulation can lead to heap-based buffer overflow. The attack may be performed from remote. The exploit has been published and may be used...

CVE-2026-12805

The vulnerability CVE-2026-12805 affects OFFIS DCMTK up to 3.7.0, specifically the XMLNode::parseFile function in ofstd/libsrc/ofxml.cc. A heap-based buffer overflow can be triggered remotely via manipulation. An exploit has been published and may be used. The patch is tracked by commit 1d4b3815c...