important: libxml2/compat-libtiff3 security update
important
An update for libxml2/compat-libtiff3 is now available for NewStart CGSL MAIN 6.02.
NewStart Security has rated this update as having a security impact of important. A Common Vunlnerability Scoring System(CVSS)base score, which gives a detailed severity rating, is available for each vulnerability from the CVElink(s) in the References section.
libxml2:
compat-libtiff3:
Security Fix(es):
libxml2: A flaw was found in libxml2. Parsing a XML document with the XML_PARSE_HUGE option enabled can result in an integer overflow because safety checks were missing in some functions. Also, the xmlParseEntityValue function didn't have any length limitation.(CVE-2022-40303)
libxml2: A flaw was found in libxml2. When a reference cycle is detected in the XML entity cleanup function the XML entity data can be stored in a dictionary. In this case, the dictionary becomes corrupted resulting in logic errors, including memory errors like double free.(CVE-2022-40304)
libxml2: A Cross-site scripting (XSS) vulnerability was found in libxml2. A specially crafted input, when serialized and re-parsed by the libxml2 library, will result in a document with element attributes that did not exist in the original document.(CVE-2016-3709)
libxml2: A flaw was found in libxml2. This issue occurs when hashing empty strings which aren't null-terminated, xmlDictComputeFastKey could produce inconsistent results, which may lead to various logic or memory errors, including double free errors.(CVE-2023-29469)
libxml2: A NULL pointer dereference vulnerability was found in libxml2. This issue occurs when parsing (invalid) XML schemas.(CVE-2023-28484)
libxml2: bugfix
compat-libtiff3: A heap use-after-free vulnerability was found in LibTIFF's tiffcrop utility in the loadImage() function. This flaw allows an attacker to pass a crafted TIFF image file to the tiffcrop utility, which causes an out-of-bounds write access, resulting in an application crash, eventually leading to a denial of service.(CVE-2023-26965)
compat-libtiff3: bugfix
Solution:
For details on how to apply this update, which includes the changes described in this advisory, refer to:
http://security.gd-linux.com/how_to_apply_patch.html
Remember the build tag is 6.02.F2B12.
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