Xmlsoft Libxml2 vulnerabilities

CVE-2021-3541 [MEDIUM] CWE-776 CVE-2021-3541: A flaw was found in libxml2. Exponential entity expansion attack its possible bypassing all existing A flaw was found in libxml2. Exponential entity expansion attack its possible bypassing all existing protection mechanisms and leading to denial of service.

CVE-2021-3517 [HIGH] CWE-787 CVE-2021-3517: There is a flaw in the xml entity encoding functionality of libxml2 in versions before 2.9.11. An at There is a flaw in the xml entity encoding functionality of libxml2 in versions before 2.9.11. An attacker who is able to supply a crafted file to be processed by an application linked with the affected functionality of libxml2 could trigger an out-of-bounds read. The most likely impact of this flaw is to application availability, with some potential im

CVE-2021-3518 [HIGH] CWE-416 CVE-2021-3518: There's a flaw in libxml2 in versions before 2.9.11. An attacker who is able to submit a crafted fil There's a flaw in libxml2 in versions before 2.9.11. An attacker who is able to submit a crafted file to be processed by an application linked with libxml2 could trigger a use-after-free. The greatest impact from this flaw is to confidentiality, integrity, and availability.

CVE-2021-3537 [MEDIUM] CWE-476 CVE-2021-3537: A vulnerability found in libxml2 in versions before 2.9.11 shows that it did not propagate errors wh A vulnerability found in libxml2 in versions before 2.9.11 shows that it did not propagate errors while parsing XML mixed content, causing a NULL dereference. If an untrusted XML document was parsed in recovery mode and post-validated, the flaw could be used to crash the application. The highest threat from this vulnerability is to system availability

CVE-2020-24977 [MEDIUM] CWE-125 CVE-2020-24977: GNOME project libxml2 v2.9.10 has a global buffer over-read vulnerability in xmlEncodeEntitiesIntern GNOME project libxml2 v2.9.10 has a global buffer over-read vulnerability in xmlEncodeEntitiesInternal at libxml2/entities.c. The issue has been fixed in commit 50f06b3e.

CVE-2019-20388 [HIGH] CWE-401 CVE-2019-20388: xmlSchemaPreRun in xmlschemas.c in libxml2 2.9.10 allows an xmlSchemaValidateStream memory leak. xmlSchemaPreRun in xmlschemas.c in libxml2 2.9.10 allows an xmlSchemaValidateStream memory leak.

CVE-2020-7595 [HIGH] CWE-835 CVE-2020-7595: xmlStringLenDecodeEntities in parser.c in libxml2 2.9.10 has an infinite loop in a certain end-of-fi xmlStringLenDecodeEntities in parser.c in libxml2 2.9.10 has an infinite loop in a certain end-of-file situation.

CVE-2019-19956 [HIGH] CWE-401 CVE-2019-19956: xmlParseBalancedChunkMemoryRecover in parser.c in libxml2 before 2.9.10 has a memory leak related to xmlParseBalancedChunkMemoryRecover in parser.c in libxml2 before 2.9.10 has a memory leak related to newDoc->oldNs.

CVE-2017-15412 [HIGH] CWE-416 CVE-2017-15412: Use after free in libxml2 before 2.9.5, as used in Google Chrome prior to 63.0.3239.84 and other pro Use after free in libxml2 before 2.9.5, as used in Google Chrome prior to 63.0.3239.84 and other products, allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

CVE-2018-14567 [MEDIUM] CVE-2018-14567: libxml2 2.9.8, if --with-lzma is used, allows remote attackers to cause a denial of service (infinit libxml2 2.9.8, if --with-lzma is used, allows remote attackers to cause a denial of service (infinite loop) via a crafted XML file that triggers LZMA_MEMLIMIT_ERROR, as demonstrated by xmllint, a different vulnerability than CVE-2015-8035 and CVE-2018-9251.

CVE-2016-9596 [MEDIUM] CVE-2016-9596: libxml2, as used in Red Hat JBoss Core Services and when in recovery mode, allows context-dependent libxml2, as used in Red Hat JBoss Core Services and when in recovery mode, allows context-dependent attackers to cause a denial of service (stack consumption) via a crafted XML document. NOTE: this vulnerability exists because of an incorrect fix for CVE-2016-3627.

CVE-2016-9598 [MEDIUM] CVE-2016-9598: libxml2, as used in Red Hat JBoss Core Services, allows context-dependent attackers to cause a denia libxml2, as used in Red Hat JBoss Core Services, allows context-dependent attackers to cause a denial of service (out-of-bounds read and application crash) via a crafted XML document. NOTE: this vulnerability exists because of a missing fix for CVE-2016-4483.

CVE-2016-9597 [HIGH] CVE-2016-9597: It was found that Red Hat JBoss Core Services erratum RHSA-2016:2957 for CVE-2016-3705 did not actua It was found that Red Hat JBoss Core Services erratum RHSA-2016:2957 for CVE-2016-3705 did not actually include the fix for the issue found in libxml2, making it vulnerable to a Denial of Service attack due to a Stack Overflow. This is a regression CVE for the same issue as CVE-2016-3705.

CVE-2018-14404 [MEDIUM] CWE-476 CVE-2018-14404: A NULL pointer dereference vulnerability exists in the xpath.c:xmlXPathCompOpEval() function of libx A NULL pointer dereference vulnerability exists in the xpath.c:xmlXPathCompOpEval() function of libxml2 through 2.9.8 when parsing an invalid XPath expression in the XPATH_OP_AND or XPATH_OP_OR case. Applications processing untrusted XSL format inputs with the use of the libxml2 library may be vulnerable to a denial of service attack due to a crash

CVE-2017-18258 [MEDIUM] CWE-770 CVE-2017-18258: The xz_head function in xzlib.c in libxml2 before 2.9.6 allows remote attackers to cause a denial of The xz_head function in xzlib.c in libxml2 before 2.9.6 allows remote attackers to cause a denial of service (memory consumption) via a crafted LZMA file, because the decoder functionality does not restrict memory usage to what is required for a legitimate file.

CVE-2018-9251 [MEDIUM] CVE-2018-9251: The xz_decomp function in xzlib.c in libxml2 2.9.8, if --with-lzma is used, allows remote attackers The xz_decomp function in xzlib.c in libxml2 2.9.8, if --with-lzma is used, allows remote attackers to cause a denial of service (infinite loop) via a crafted XML file that triggers LZMA_MEMLIMIT_ERROR, as demonstrated by xmllint, a different vulnerability than CVE-2015-8035.

CVE-2017-7376 [CRITICAL] CWE-119 CVE-2017-7376: Buffer overflow in libxml2 allows remote attackers to execute arbitrary code by leveraging an incorr Buffer overflow in libxml2 allows remote attackers to execute arbitrary code by leveraging an incorrect limit for port values when handling redirects.

CVE-2017-7375 [CRITICAL] CWE-611 CVE-2017-7375: A flaw in libxml2 allows remote XML entity inclusion with default parser flags (i.e., when the calle A flaw in libxml2 allows remote XML entity inclusion with default parser flags (i.e., when the caller did not request entity substitution, DTD validation, external DTD subset loading, or default DTD attributes). Depending on the context, this may expose a higher-risk attack surface in libxml2 not usually reachable with default parser flags, and expo

CVE-2017-5130 [HIGH] CWE-787 CVE-2017-5130: An integer overflow in xmlmemory.c in libxml2 before 2.9.5, as used in Google Chrome prior to 62.0.3 An integer overflow in xmlmemory.c in libxml2 before 2.9.5, as used in Google Chrome prior to 62.0.3202.62 and other products, allowed a remote attacker to potentially exploit heap corruption via a crafted XML file.

CVE-2017-16931 [CRITICAL] CWE-119 CVE-2017-16931: parser.c in libxml2 before 2.9.5 mishandles parameter-entity references because the NEXTL macro call parser.c in libxml2 before 2.9.5 mishandles parameter-entity references because the NEXTL macro calls the xmlParserHandlePEReference function in the case of a '%' character in a DTD name.