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CVECVSSEPSSKEVRExplotTítuloVis.
CVE-2023-2554—98.2%
——29——CVE-2014-1201—98.2%
——29——CVE-2017-11517—98.2%
——29——CVE-2018-3252—98.2%
——29——CVE-2012-2175—98.2%
——29——CVE-2021-39172—98.2%
——29——CVE-2024-11653—98.2%
——29——CVE-2008-2254—98.2%
——29——CVE-2017-0042—98.2%
——29——CVE-2015-0208—98.2%
——29——CVE-2013-6720—98.2%
——29——CVE-2024-11658—98.2%
——29——CVE-2016-7052—98.2%
——29——CVE-2010-2742—98.2%
——29——CVE-2008-0533—98.1%
——29——CVE-2007-4954—98.1%
——29——CVE-2009-0520—98.1%
——29——CVE-2009-0549—98.1%
——29——CVE-2024-11655—98.1%
——29——CVE-2015-0008—98.1%
——29——CVE-2009-0100—98.1%
——29——CVE-2009-1545—98.1%
——29——CVE-2023-31222—98.1%
——29——CVE-2012-4914—98.1%
——29——CVE-2022-44507.5 ALT98.1%
——29The function PEM_read_bio_ex() reads a PEM file from a BIO and parses and
decodes the "name" (e.g. "CERTIFICATE"), any header data and the payload data.
If the function succeeds then the "name_out", "header" and "data" arguments are
populated with pointers to buffers containing the relevant decoded data. The
caller is responsible for freeing those buffers. It is possible to construct a
PEM file that results in 0 bytes of payload data. In this case PEM_read_bio_ex()
will return a failure code but will populate the header argument with a pointer
to a buffer that has already been freed. If the caller also frees this buffer
then a double free will occur. This will most likely lead to a crash. This
could be exploited by an attacker who has the ability to supply malicious PEM
files for parsing to achieve a denial of service attack.
The functions PEM_read_bio() and PEM_read() are simple wrappers around
PEM_read_bio_ex() and therefore these functions are also directly affected.
These functions are also called indirectly by a number of other OpenSSL
functions including PEM_X509_INFO_read_bio_ex() and
SSL_CTX_use_serverinfo_file() which are also vulnerable. Some OpenSSL internal
uses of these functions are not vulnerable because the caller does not free the
header argument if PEM_read_bio_ex() returns a failure code. These locations
include the PEM_read_bio_TYPE() functions as well as the decoders introduced in
OpenSSL 3.0.
The OpenSSL asn1parse command line application is also impacted by this issue.16dCVE-2017-0106—98.1%
——29——CVE-2007-1214—98.1%
——29——CVE-2024-43044—98.1%
——29——CVE-2018-12692—98.1%
——29——CVE-1999-0738—98.1%
——29——CVE-2018-12636—98.1%
——29——CVE-2013-3238—98.1%
——29——CVE-2016-6897—98.1%
——29——CVE-2006-1540—98.1%
——29——CVE-2023-0084—98.1%
——29——CVE-2022-31161—98.1%
——29——CVE-2020-6116—98.1%
——29——CVE-2025-32011—98.1%
——29——CVE-2024-39614—98.1%
——29——CVE-2004-1782—98.1%
——29——