CVE-2022-34266: Use of Uninitialized Resource

July 19, 2022 (updated September 23, 2022)

The libtiff-4.0.3-35.amzn2.0.1 package for LibTIFF on Amazon Linux 2 allows attackers to cause a denial of service (application crash), a different vulnerability than CVE-2022-0562. When processing a malicious TIFF file, an invalid range may be passed as an argument to the memset() function within TIFFFetchStripThing() in tif_dirread.c. This will cause TIFFFetchStripThing() to segfault after use of an uninitialized resource.

References

alas.aws.amazon.com/
alas.aws.amazon.com/AL2/ALAS-2022-1814.html
nvd.nist.gov/vuln/detail/CVE-2022-34266

Code Behaviors & Features

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