Vulnerabilities (CVE)

Filtered by vendor Debian Subscribe
Filtered by product Debian Linux
Total 8822 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2021-33560 4 Debian, Fedoraproject, Gnupg and 1 more 8 Debian Linux, Fedora, Libgcrypt and 5 more 2023-11-07 5.0 MEDIUM 7.5 HIGH
Libgcrypt before 1.8.8 and 1.9.x before 1.9.3 mishandles ElGamal encryption because it lacks exponent blinding to address a side-channel attack against mpi_powm, and the window size is not chosen appropriately. This, for example, affects use of ElGamal in OpenPGP.
CVE-2021-33515 3 Debian, Dovecot, Fedoraproject 3 Debian Linux, Dovecot, Fedora 2023-11-07 5.8 MEDIUM 4.8 MEDIUM
The submission service in Dovecot before 2.3.15 allows STARTTLS command injection in lib-smtp. Sensitive information can be redirected to an attacker-controlled address.
CVE-2021-33477 6 Debian, Eterm Project, Fedoraproject and 3 more 6 Debian Linux, Eterm, Fedora and 3 more 2023-11-07 6.5 MEDIUM 8.8 HIGH
rxvt-unicode 9.22, rxvt 2.7.10, mrxvt 0.5.4, and Eterm 0.9.7 allow (potentially remote) code execution because of improper handling of certain escape sequences (ESC G Q). A response is terminated by a newline.
CVE-2021-33289 3 Debian, Fedoraproject, Tuxera 3 Debian Linux, Fedora, Ntfs-3g 2023-11-07 6.9 MEDIUM 7.8 HIGH
In NTFS-3G versions < 2021.8.22, when a specially crafted MFT section is supplied in an NTFS image a heap buffer overflow can occur and allow for code execution.
CVE-2021-33287 3 Debian, Fedoraproject, Tuxera 3 Debian Linux, Fedora, Ntfs-3g 2023-11-07 6.9 MEDIUM 7.8 HIGH
In NTFS-3G versions < 2021.8.22, when specially crafted NTFS attributes are read in the function ntfs_attr_pread_i, a heap buffer overflow can occur and allow for writing to arbitrary memory or denial of service of the application.
CVE-2021-33285 4 Debian, Fedoraproject, Redhat and 1 more 4 Debian Linux, Fedora, Enterprise Linux and 1 more 2023-11-07 6.9 MEDIUM 7.8 HIGH
In NTFS-3G versions < 2021.8.22, when a specially crafted NTFS attribute is supplied to the function ntfs_get_attribute_value, a heap buffer overflow can occur allowing for memory disclosure or denial of service. The vulnerability is caused by an out-of-bound buffer access which can be triggered by mounting a crafted ntfs partition. The root cause is a missing consistency check after reading an MFT record : the "bytes_in_use" field should be less than the "bytes_allocated" field. When it is not, the parsing of the records proceeds into the wild.
CVE-2021-33037 4 Apache, Debian, Mcafee and 1 more 22 Tomcat, Tomee, Debian Linux and 19 more 2023-11-07 5.0 MEDIUM 5.3 MEDIUM
Apache Tomcat 10.0.0-M1 to 10.0.6, 9.0.0.M1 to 9.0.46 and 8.5.0 to 8.5.66 did not correctly parse the HTTP transfer-encoding request header in some circumstances leading to the possibility to request smuggling when used with a reverse proxy. Specifically: - Tomcat incorrectly ignored the transfer encoding header if the client declared it would only accept an HTTP/1.0 response; - Tomcat honoured the identify encoding; and - Tomcat did not ensure that, if present, the chunked encoding was the final encoding.
CVE-2021-33034 3 Debian, Fedoraproject, Linux 3 Debian Linux, Fedora, Linux Kernel 2023-11-07 4.6 MEDIUM 7.8 HIGH
In the Linux kernel before 5.12.4, net/bluetooth/hci_event.c has a use-after-free when destroying an hci_chan, aka CID-5c4c8c954409. This leads to writing an arbitrary value.
CVE-2021-32921 4 Debian, Fedoraproject, Lua and 1 more 4 Debian Linux, Fedora, Lua and 1 more 2023-11-07 4.3 MEDIUM 5.9 MEDIUM
An issue was discovered in Prosody before 0.11.9. It does not use a constant-time algorithm for comparing certain secret strings when running under Lua 5.2 or later. This can potentially be used in a timing attack to reveal the contents of secret strings to an attacker.
CVE-2021-32920 3 Debian, Fedoraproject, Prosody 3 Debian Linux, Fedora, Prosody 2023-11-07 7.8 HIGH 7.5 HIGH
Prosody before 0.11.9 allows Uncontrolled CPU Consumption via a flood of SSL/TLS renegotiation requests.
CVE-2021-32919 3 Debian, Fedoraproject, Prosody 3 Debian Linux, Fedora, Prosody 2023-11-07 4.3 MEDIUM 7.5 HIGH
An issue was discovered in Prosody before 0.11.9. The undocumented dialback_without_dialback option in mod_dialback enables an experimental feature for server-to-server authentication. It does not correctly authenticate remote server certificates, allowing a remote server to impersonate another server (when this option is enabled).
CVE-2021-32918 4 Debian, Fedoraproject, Lua and 1 more 4 Debian Linux, Fedora, Lua and 1 more 2023-11-07 5.0 MEDIUM 7.5 HIGH
An issue was discovered in Prosody before 0.11.9. Default settings are susceptible to remote unauthenticated denial-of-service (DoS) attacks via memory exhaustion when running under Lua 5.2 or Lua 5.3.
CVE-2021-32917 3 Debian, Fedoraproject, Prosody 3 Debian Linux, Fedora, Prosody 2023-11-07 4.3 MEDIUM 5.3 MEDIUM
An issue was discovered in Prosody before 0.11.9. The proxy65 component allows open access by default, even if neither of the users has an XMPP account on the local server, allowing unrestricted use of the server's bandwidth.
CVE-2021-32762 5 Debian, Fedoraproject, Netapp and 2 more 6 Debian Linux, Fedora, Management Services For Element Software and 3 more 2023-11-07 9.0 HIGH 8.8 HIGH
Redis is an open source, in-memory database that persists on disk. The redis-cli command line tool and redis-sentinel service may be vulnerable to integer overflow when parsing specially crafted large multi-bulk network replies. This is a result of a vulnerability in the underlying hiredis library which does not perform an overflow check before calling the calloc() heap allocation function. This issue only impacts systems with heap allocators that do not perform their own overflow checks. Most modern systems do and are therefore not likely to be affected. Furthermore, by default redis-sentinel uses the jemalloc allocator which is also not vulnerable. The problem is fixed in Redis versions 6.2.6, 6.0.16 and 5.0.14.
CVE-2021-32761 3 Debian, Fedoraproject, Redislabs 3 Debian Linux, Fedora, Redis 2023-11-07 6.0 MEDIUM 7.5 HIGH
Redis is an in-memory database that persists on disk. A vulnerability involving out-of-bounds read and integer overflow to buffer overflow exists starting with version 2.2 and prior to versions 5.0.13, 6.0.15, and 6.2.5. On 32-bit systems, Redis `*BIT*` command are vulnerable to integer overflow that can potentially be exploited to corrupt the heap, leak arbitrary heap contents or trigger remote code execution. The vulnerability involves changing the default `proto-max-bulk-len` configuration parameter to a very large value and constructing specially crafted commands bit commands. This problem only affects Redis on 32-bit platforms, or compiled as a 32-bit binary. Redis versions 5.0.`3m 6.0.15, and 6.2.5 contain patches for this issue. An additional workaround to mitigate the problem without patching the `redis-server` executable is to prevent users from modifying the `proto-max-bulk-len` configuration parameter. This can be done using ACL to restrict unprivileged users from using the CONFIG SET command.
CVE-2021-32687 5 Debian, Fedoraproject, Netapp and 2 more 6 Debian Linux, Fedora, Management Services For Element Software and 3 more 2023-11-07 6.0 MEDIUM 7.5 HIGH
Redis is an open source, in-memory database that persists on disk. An integer overflow bug affecting all versions of Redis can be exploited to corrupt the heap and potentially be used to leak arbitrary contents of the heap or trigger remote code execution. The vulnerability involves changing the default set-max-intset-entries configuration parameter to a very large value and constructing specially crafted commands to manipulate sets. The problem is fixed in Redis versions 6.2.6, 6.0.16 and 5.0.14. An additional workaround to mitigate the problem without patching the redis-server executable is to prevent users from modifying the set-max-intset-entries configuration parameter. This can be done using ACL to restrict unprivileged users from using the CONFIG SET command.
CVE-2021-32675 5 Debian, Fedoraproject, Netapp and 2 more 6 Debian Linux, Fedora, Management Services For Element Software and 3 more 2023-11-07 5.0 MEDIUM 7.5 HIGH
Redis is an open source, in-memory database that persists on disk. When parsing an incoming Redis Standard Protocol (RESP) request, Redis allocates memory according to user-specified values which determine the number of elements (in the multi-bulk header) and size of each element (in the bulk header). An attacker delivering specially crafted requests over multiple connections can cause the server to allocate significant amount of memory. Because the same parsing mechanism is used to handle authentication requests, this vulnerability can also be exploited by unauthenticated users. The problem is fixed in Redis versions 6.2.6, 6.0.16 and 5.0.14. An additional workaround to mitigate this problem without patching the redis-server executable is to block access to prevent unauthenticated users from connecting to Redis. This can be done in different ways: Using network access control tools like firewalls, iptables, security groups, etc. or Enabling TLS and requiring users to authenticate using client side certificates.
CVE-2021-32672 6 Debian, Fedoraproject, Netapp and 3 more 8 Debian Linux, Fedora, Management Services For Element Software and 5 more 2023-11-07 4.0 MEDIUM 4.3 MEDIUM
Redis is an open source, in-memory database that persists on disk. When using the Redis Lua Debugger, users can send malformed requests that cause the debugger’s protocol parser to read data beyond the actual buffer. This issue affects all versions of Redis with Lua debugging support (3.2 or newer). The problem is fixed in versions 6.2.6, 6.0.16 and 5.0.14.
CVE-2021-32628 5 Debian, Fedoraproject, Netapp and 2 more 6 Debian Linux, Fedora, Management Services For Element Software and 3 more 2023-11-07 6.0 MEDIUM 7.5 HIGH
Redis is an open source, in-memory database that persists on disk. An integer overflow bug in the ziplist data structure used by all versions of Redis can be exploited to corrupt the heap and potentially result with remote code execution. The vulnerability involves modifying the default ziplist configuration parameters (hash-max-ziplist-entries, hash-max-ziplist-value, zset-max-ziplist-entries or zset-max-ziplist-value) to a very large value, and then constructing specially crafted commands to create very large ziplists. The problem is fixed in Redis versions 6.2.6, 6.0.16, 5.0.14. An additional workaround to mitigate the problem without patching the redis-server executable is to prevent users from modifying the above configuration parameters. This can be done using ACL to restrict unprivileged users from using the CONFIG SET command.
CVE-2021-32627 5 Debian, Fedoraproject, Netapp and 2 more 6 Debian Linux, Fedora, Management Services For Element Software and 3 more 2023-11-07 6.0 MEDIUM 7.5 HIGH
Redis is an open source, in-memory database that persists on disk. In affected versions an integer overflow bug in Redis can be exploited to corrupt the heap and potentially result with remote code execution. The vulnerability involves changing the default proto-max-bulk-len and client-query-buffer-limit configuration parameters to very large values and constructing specially crafted very large stream elements. The problem is fixed in Redis 6.2.6, 6.0.16 and 5.0.14. For users unable to upgrade an additional workaround to mitigate the problem without patching the redis-server executable is to prevent users from modifying the proto-max-bulk-len configuration parameter. This can be done using ACL to restrict unprivileged users from using the CONFIG SET command.