tornado: Tornado Quadratic DoS via Repeated Header Coalescing

A denial of service flaw has been discovered in the Tornado networking library. In Tornado, a single maliciously crafted HTTP request can block the server's event loop for an extended period, caused by the HTTPHeaders.add method. The function accumulates values using string concatenation when the...

tornado: Tornado Quadratic DoS via Repeated Header Coalescing

A denial of service flaw has been discovered in the Tornado networking library. In Tornado, a single maliciously crafted HTTP request can block the server's event loop for an extended period, caused by the HTTPHeaders.add method. The function accumulates values using string concatenation when the...

tornado: Tornado Quadratic DoS via Repeated Header Coalescing

A denial of service flaw has been discovered in the Tornado networking library. In Tornado, a single maliciously crafted HTTP request can block the server's event loop for an extended period, caused by the HTTPHeaders.add method. The function accumulates values using string concatenation when the...

AZL-77460 CVE-2026-25646 affecting package libpng12 1.2.57-16

LIBPNG is a reference library for use in applications that read, create, and manipulate PNG Portable Network Graphics raster image files. Prior to 1.6.55, an out-of-bounds read vulnerability exists in the pngsetquantize API function. When the function is called with no histogram and the number of...

AZL-77463 CVE-2026-25646 affecting package libpng15 1.5.30-15

LIBPNG is a reference library for use in applications that read, create, and manipulate PNG Portable Network Graphics raster image files. Prior to 1.6.55, an out-of-bounds read vulnerability exists in the pngsetquantize API function. When the function is called with no histogram and the number of...

AZL-77474 CVE-2026-25646 affecting package libpng15 1.5.30-15

LIBPNG is a reference library for use in applications that read, create, and manipulate PNG Portable Network Graphics raster image files. Prior to 1.6.55, an out-of-bounds read vulnerability exists in the pngsetquantize API function. When the function is called with no histogram and the number of...

AZL-77457 CVE-2026-25646 affecting package fltk 1.3.5-4

LIBPNG is a reference library for use in applications that read, create, and manipulate PNG Portable Network Graphics raster image files. Prior to 1.6.55, an out-of-bounds read vulnerability exists in the pngsetquantize API function. When the function is called with no histogram and the number of...

AZL-77471 CVE-2026-25646 affecting package libpng12 1.2.57-16

LIBPNG is a reference library for use in applications that read, create, and manipulate PNG Portable Network Graphics raster image files. Prior to 1.6.55, an out-of-bounds read vulnerability exists in the pngsetquantize API function. When the function is called with no histogram and the number of...

AZL-77441 CVE-2026-25646 affecting package libpng for versions less than 1.6.55-1

LIBPNG is a reference library for use in applications that read, create, and manipulate PNG Portable Network Graphics raster image files. Prior to 1.6.55, an out-of-bounds read vulnerability exists in the pngsetquantize API function. When the function is called with no histogram and the number of...

AZL-77477 CVE-2026-25646 affecting package openjpeg2 2.3.1-12

LIBPNG is a reference library for use in applications that read, create, and manipulate PNG Portable Network Graphics raster image files. Prior to 1.6.55, an out-of-bounds read vulnerability exists in the pngsetquantize API function. When the function is called with no histogram and the number of...

AZL-77409 CVE-2026-25646 affecting package libpng for versions less than 1.6.55-1

LIBPNG is a reference library for use in applications that read, create, and manipulate PNG Portable Network Graphics raster image files. Prior to 1.6.55, an out-of-bounds read vulnerability exists in the pngsetquantize API function. When the function is called with no histogram and the number of...

CVE-2026-25646

LIBPNG is a reference library for use in applications that read, create, and manipulate PNG Portable Network Graphics raster image files. Prior to 1.6.55, an out-of-bounds read vulnerability exists in the pngsetquantize API function. When the function is called with no histogram and the number of...

AZL-77466 CVE-2026-25646 affecting package openjpeg2 2.3.1-12

LIBPNG is a reference library for use in applications that read, create, and manipulate PNG Portable Network Graphics raster image files. Prior to 1.6.55, an out-of-bounds read vulnerability exists in the pngsetquantize API function. When the function is called with no histogram and the number of...

ALPINE-CVE-2026-25646

LIBPNG is a reference library for use in applications that read, create, and manipulate PNG Portable Network Graphics raster image files. Prior to 1.6.55, an out-of-bounds read vulnerability exists in the pngsetquantize API function. When the function is called with no histogram and the number of...

AZL-77468 CVE-2026-25646 affecting package fltk 1.3.8-1

LIBPNG is a reference library for use in applications that read, create, and manipulate PNG Portable Network Graphics raster image files. Prior to 1.6.55, an out-of-bounds read vulnerability exists in the pngsetquantize API function. When the function is called with no histogram and the number of...

AZL-77480 CVE-2026-25646 affecting package optipng 0.7.8-5

LIBPNG is a reference library for use in applications that read, create, and manipulate PNG Portable Network Graphics raster image files. Prior to 1.6.55, an out-of-bounds read vulnerability exists in the pngsetquantize API function. When the function is called with no histogram and the number of...

UBUNTU-CVE-2026-25646

LIBPNG is a reference library for use in applications that read, create, and manipulate PNG Portable Network Graphics raster image files. Prior to 1.6.55, an out-of-bounds read vulnerability exists in the pngsetquantize API function. When the function is called with no histogram and the number of...

CVE-2026-25646

LIBPNG is a reference library for use in applications that read, create, and manipulate PNG Portable Network Graphics raster image files. Prior to 1.6.55, an out-of-bounds read vulnerability exists in the pngsetquantize API function. When the function is called with no histogram and the number of...

CVE-2025-27560

Loop with unreachable exit condition 'infinite loop' for some IntelR Platform within Ring 0: Kernel may allow a denial of service. System software adversary with a privileged user combined with a low complexity attack may enable denial of service. This result may potentially occur via local acces...

CVE-2026-25646 LIBPNG has a heap buffer overflow in png_set_quantize

LIBPNG is a reference library for use in applications that read, create, and manipulate PNG Portable Network Graphics raster image files. Prior to 1.6.55, an out-of-bounds read vulnerability exists in the pngsetquantize API function. When the function is called with no histogram and the number of...