49374 : libpng pngrutil.c png_handle_tEXt Function Crafted PNG File Handling Memory Leak DoS
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Disclosure Date


libpng contains a flaw in the 'png_handle_tEXt()' function that may allow a remote denial of service. The issue is due to a memory leak error within the 'png_handle_tEXt()' function in pngrutil.c. With a specially crafted PNG file, a context-dependent attacker can cause the program to exhaust all available memory.


Location: Context Dependent
Impact: Loss of Availability
Solution: Upgrade
Exploit: Exploit Unknown
Disclosure: Vendor Verified


Upgrade to version 1.2.33rc02, 1.4.0beta36 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.





CVSSv2 Score

CVSSv2 Base Score = 7.1
Source: nvd.nist.gov | Generated: 2009-02-23 | Disagree?

Access_vector_2 Access_complexity_1 Authentication_2 Confidentiality_impact_0 Integrity_impact_0 Availability_impact_2


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