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GHSA-g2pr-qxjg-7r2w
No affected components available
Summary
In ReadSTEGANOImage() (coders/stegano.c), the watermark Image object is not freed on three early-return paths, resulting in a definite memory leak (~13.5KB+ per invocation) that can be exploited for denial of service.
Direct leak of 13512 byte(s) in 1 object(s) allocated from:
#0 0x7f5c11e27887 in __interceptor_malloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:145
#1 0x55cdc38f65c4 in AcquireMagickMemory MagickCore/memory.c:536
#2 0x55cdc38f65eb in AcquireCriticalMemory MagickCore/memory.c:612
#3 0x55cdc3899e91 in AcquireImage MagickCore/image.c:154
The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker does not need any special privileges or access rights. No user interaction is needed for the attacker to exploit this vulnerability. The impact is confined to the system where the vulnerability exists. There is a low impact on the availability of the system.
Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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