CVE-2007-5269

CVE-2007-5269 affects libpng in 1.0.x before 1.0.29 and 1.2.x before 1.2.21. An attacker can cause a crash (DoS) by crafting PNG chunks that trigger out-of-bounds reads via the affected chunk handlers: pCAL, sCAL, tEXt, iTXt, and ztXT. Public references in connected docs confirm a libpng patch wa...

png -- multiple vulnerabilities

A Secunia Advisory reports: Some vulnerabilities have been reported in libpng, which can be exploited by malicious people to cause a DoS Denial of Service. Certain errors within libpng, including a logical NOT instead of a bitwise NOT in pngtrtran.c, an error in the 16bit cheap transparency...

CVE-2007-5269

Certain chunk handlers in libpng before 1.0.29 and 1.2.x before 1.2.21 allow remote attackers to cause a denial of service crash via crafted 1 pCAL pnghandlepCAL, 2 sCAL pnghandlesCAL, 3 tEXt pngpushreadtEXt, 4 iTXt pnghandleiTXt, and 5 ztXT pnghandleztXt chunking in PNG images, which trigger...

CVE-2007-5133

Microsoft Windows Explorer explorer.exe allows user-assisted remote attackers to cause a denial of service CPU consumption via a certain PNG file with a large tEXt chunk that possibly triggers an integer overflow in PNG chunk size handling, as demonstrated by badlycrafted.png...

php chunk_split integer overflow

Multiple integer overflows in the chunksplit function in PHP 5 before 5.2.3 and PHP 4 before 4.4.8 allow remote attackers to cause a denial of service crash or execute arbitrary code via the 1 chunks, 2 srclen, and 3 chunklen arguments...

Possible Windows Explorer bad PNG file preview integer overflow handling

Hi folks, Can anyone confirm that the attached PNG file is causing Explorer to eat 100 CPU, and if this is a known issue ? Currently tested with an up-to-date Windows XP and Windows Vista The probable cause is an integer overflow in the PNG chunk size handling, which is 32-bit large, and which ca...

php chunk_split integer overflow

Multiple integer overflows in the chunksplit function in PHP 5 before 5.2.3 and PHP 4 before 4.4.8 allow remote attackers to cause a denial of service crash or execute arbitrary code via the 1 chunks, 2 srclen, and 3 chunklen arguments...

Samba lsa_io_trans_names Heap Overflow

This module triggers a heap overflow in the LSA RPC service of the Samba daemon. This module uses the TALLOC chunk overwrite method credit Ramon and Adriano, which only works with Samba versions 3.0.21-3.0.24. Additionally, this module will not work when the Samba "log level" parameter is higher...

Linux Kernel Netfilter *_conntrack_proto_sctp.c sctp_new Function Unknown Chunk Type Remote DoS

There is a flaw in the SCTP code included in Linux kernel versions before 2.6.21.4 that results in a kernel panic when an SCTP packet with an unknown chunk type is received. An attacker can leverage this flaw to crash the remote host with a single, possibly forged, packet. C Tenable Network...

PT-2007-4176 · Php +1 · Php +1

Name of the Vulnerable Software and Affected Versions: PHP versions prior to 5.2.3 PHP versions prior to 4.4.8 Description: The issue is related to multiple integer overflows in the chunk split function. This can be exploited by remote attackers to cause a denial of service crash or execute...

libpng: Denial of service

Background libpng is a free ANSI C library used to process and manipulate PNG images. Description Mats Palmgren fixed an error in file pngrutil.c in which the trans array might be not allocated because of images with a bad tRNS chunk CRC value. Impact A remote attacker could craft an image that...

FreeBSD : png -- DoS crash vulnerability (4cb9c513-03ef-11dc-a51d-0019b95d4f14)

A Libpng Security Advisory reports : A grayscale PNG image with a malformed bad CRC tRNS chunk will crash some libpng applications. This vulnerability could be used to crash a browser when a user tries to view such a malformed PNG file. It is not known whether the vulnerability could be exploited...

Moderate: Red Hat Security Advisory: libpng security update

Updated libpng packages that fix security issues are now available for Red Hat Enterprise Linux. This update has been rated as having moderate security impact by the Red Hat Security Response Team. The libpng package contains a library of functions for creating and manipulating PNG Portable Netwo...

libpng DoS

The sPLT chunk handling code pngsetsPLT function in pngset.c in libpng 1.0.6 through 1.2.12 uses a sizeof operator on the wrong data type, which allows context-dependent attackers to cause a denial of service crash via malformed sPLT chunks that trigger an out-of-bounds read...

libpng png_handle_tRNS flaw

The pnghandletRNS function in pngrutil.c in libpng before 1.0.25 and 1.2.x before 1.2.17 allows remote attackers to cause a denial of service application crash via a grayscale PNG image with a bad tRNS chunk CRC value...

libpng library DoS

Crash on invalid grauscale images tRNS chunk checksum...

DEBIAN-CVE-2007-2445

The pnghandletRNS function in pngrutil.c in libpng before 1.0.25 and 1.2.x before 1.2.17 allows remote attackers to cause a denial of service application crash via a grayscale PNG image with a bad tRNS chunk CRC value...

CVE-2007-2445

The pnghandletRNS function in pngrutil.c in libpng before 1.0.25 and 1.2.x before 1.2.17 allows remote attackers to cause a denial of service application crash via a grayscale PNG image with a bad tRNS chunk CRC value...

CVE-2007-2445

The pnghandletRNS function in pngrutil.c in libpng before 1.0.25 and 1.2.x before 1.2.17 allows remote attackers to cause a denial of service application crash via a grayscale PNG image with a bad tRNS chunk CRC value...

Security fix for the ALT Linux 5 package libpng version 1.2.13-alt3

May 16, 2007 Dmitry V. Levin 1.2.13-alt3 - Imported upstream fix for pnghandletRNS bug CVE-2007-2445: a grayscale PNG image with a malformed tRNS chunk may crash some libpng applications...