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Integer signedness error in the png_inflate function in pngrutil.c in libpng before 1.4.10beta01, as used in Google Chrome before 17.0.963.83 and other products, allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted PNG file, a different vulnerability than CVE-2011-3026.

CVE-2011-3045 is a high-severity vulnerability stemming from an integer signedness error in the png_inflate function within the pngrutil.c source file of the libpng library, specifically in versions prior to 1.4.10beta01. Libpng is a widely used open-source library for handling PNG (Portable Network Graphics) image files. This vulnerability affects software products that incorporate vulnerable versions of libpng, including Google Chrome versions prior to 17.0.963.83. The flaw arises because the function improperly handles signed integers, which can lead to incorrect memory allocation or buffer handling when processing crafted PNG files. An attacker can exploit this by delivering a maliciously crafted PNG image that triggers either a denial of service (application crash) or potentially enables arbitrary code execution. This vulnerability is distinct from CVE-2011-3026, indicating a separate flaw in the PNG processing code. The CVSS v3.1 base score of 8.8 reflects the high impact and ease of exploitation: the attack vector is network-based (AV:N), requires no privileges (PR:N), but does require some user interaction (UI:R), such as opening or viewing the malicious PNG image. The vulnerability affects confidentiality, integrity, and availability (C:H/I:H/A:H), meaning an attacker could fully compromise the affected system. No known exploits in the wild have been reported, but the potential for severe impact remains significant. The underlying weakness is classified under CWE-195 (Signed to Unsigned Conversion Error), which can cause unexpected behavior in memory operations. Given the widespread use of libpng in browsers, image viewers, and other applications, this vulnerability poses a broad risk to systems that process PNG images without updated libraries or patches.

Detailed information about CVE-2011-3045: n/a in n/a affecting n/a n/a. Get real-time updates, technical details, and mitigation strategies.

CVE-2011-3045: n/a in n/a - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2011-3045: n/a in n/a

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