Debian Linux vulnerabilities

CVE-2021-3449 [MEDIUM] CWE-476 CVE-2021-3449: An OpenSSL TLS server may crash if sent a maliciously crafted renegotiation ClientHello message from An OpenSSL TLS server may crash if sent a maliciously crafted renegotiation ClientHello message from a client. If a TLSv1.2 renegotiation ClientHello omits the signature_algorithms extension (where it was present in the initial ClientHello), but includes a signature_algorithms_cert extension then a NULL pointer dereference will result, leading to a cr

CVE-2021-21346 [CRITICAL] CWE-434 CVE-2021-21346: XStream is a Java library to serialize objects to XML and back again. In XStream before version 1.4. XStream is a Java library to serialize objects to XML and back again. In XStream before version 1.4.16, there is a vulnerability which may allow a remote attacker to load and execute arbitrary code from a remote host only by manipulating the processed input stream. No user is affected, who followed the recommendation to setup XStream's security fr

CVE-2021-21350 [CRITICAL] CWE-434 CVE-2021-21350: XStream is a Java library to serialize objects to XML and back again. In XStream before version 1.4. XStream is a Java library to serialize objects to XML and back again. In XStream before version 1.4.16, there is a vulnerability which may allow a remote attacker to execute arbitrary code only by manipulating the processed input stream. No user is affected, who followed the recommendation to setup XStream's security framework with a whitelist lim

CVE-2021-21344 [CRITICAL] CWE-434 CVE-2021-21344: XStream is a Java library to serialize objects to XML and back again. In XStream before version 1.4. XStream is a Java library to serialize objects to XML and back again. In XStream before version 1.4.16, there is a vulnerability which may allow a remote attacker to load and execute arbitrary code from a remote host only by manipulating the processed input stream. No user is affected, who followed the recommendation to setup XStream's security fr

CVE-2021-21351 [CRITICAL] CWE-434 CVE-2021-21351: XStream is a Java library to serialize objects to XML and back again. In XStream before version 1.4. XStream is a Java library to serialize objects to XML and back again. In XStream before version 1.4.16, there is a vulnerability may allow a remote attacker to load and execute arbitrary code from a remote host only by manipulating the processed input stream. No user is affected, who followed the recommendation to setup XStream's security framewor

CVE-2021-21347 [CRITICAL] CWE-434 CVE-2021-21347: XStream is a Java library to serialize objects to XML and back again. In XStream before version 1.4. XStream is a Java library to serialize objects to XML and back again. In XStream before version 1.4.16, there is a vulnerability which may allow a remote attacker to load and execute arbitrary code from a remote host only by manipulating the processed input stream. No user is affected, who followed the recommendation to setup XStream's security fr

CVE-2021-21345 [CRITICAL] CWE-94 CVE-2021-21345: XStream is a Java library to serialize objects to XML and back again. In XStream before version 1.4. XStream is a Java library to serialize objects to XML and back again. In XStream before version 1.4.16, there is a vulnerability which may allow a remote attacker who has sufficient rights to execute commands of the host only by manipulating the processed input stream. No user is affected, who followed the recommendation to setup XStream's security

CVE-2021-21342 [CRITICAL] CWE-502 CVE-2021-21342: XStream is a Java library to serialize objects to XML and back again. In XStream before version 1.4. XStream is a Java library to serialize objects to XML and back again. In XStream before version 1.4.16, there is a vulnerability where the processed stream at unmarshalling time contains type information to recreate the formerly written objects. XStream creates therefore new instances based on these type information. An attacker can manipulate the

CVE-2021-21348 [HIGH] CWE-400 CVE-2021-21348: XStream is a Java library to serialize objects to XML and back again. In XStream before version 1.4. XStream is a Java library to serialize objects to XML and back again. In XStream before version 1.4.16, there is a vulnerability which may allow a remote attacker to occupy a thread that consumes maximum CPU time and will never return. No user is affected, who followed the recommendation to setup XStream's security framework with a whitelist limited t

CVE-2021-20270 [HIGH] CWE-835 CVE-2021-20270: An infinite loop in SMLLexer in Pygments versions 1.5 to 2.7.3 may lead to denial of service when pe An infinite loop in SMLLexer in Pygments versions 1.5 to 2.7.3 may lead to denial of service when performing syntax highlighting of a Standard ML (SML) source file, as demonstrated by input that only contains the "exception" keyword.

CVE-2021-21343 [HIGH] CWE-73 CVE-2021-21343: XStream is a Java library to serialize objects to XML and back again. In XStream before version 1.4. XStream is a Java library to serialize objects to XML and back again. In XStream before version 1.4.16, there is a vulnerability where the processed stream at unmarshalling time contains type information to recreate the formerly written objects. XStream creates therefore new instances based on these type information. An attacker can manipulate the proc

CVE-2021-21349 [HIGH] CWE-502 CVE-2021-21349: XStream is a Java library to serialize objects to XML and back again. In XStream before version 1.4. XStream is a Java library to serialize objects to XML and back again. In XStream before version 1.4.16, there is a vulnerability which may allow a remote attacker to request data from internal resources that are not publicly available only by manipulating the processed input stream. No user is affected, who followed the recommendation to setup XStream

CVE-2021-3444 [HIGH] CWE-681 CVE-2021-3444: The bpf verifier in the Linux kernel did not properly handle mod32 destination register truncation w The bpf verifier in the Linux kernel did not properly handle mod32 destination register truncation when the source register was known to be 0. A local attacker with the ability to load bpf programs could use this gain out-of-bounds reads in kernel memory leading to information disclosure (kernel memory), and possibly out-of-bounds writes that could pote

CVE-2021-21341 [HIGH] CWE-400 CVE-2021-21341: XStream is a Java library to serialize objects to XML and back again. In XStream before version 1.4. XStream is a Java library to serialize objects to XML and back again. In XStream before version 1.4.16, there is vulnerability which may allow a remote attacker to allocate 100% CPU time on the target system depending on CPU type or parallel execution of such a payload resulting in a denial of service only by manipulating the processed input stream. N

CVE-2021-3409 [MEDIUM] CVE-2021-3409: The patch for CVE-2020-17380/CVE-2020-25085 was found to be ineffective, thus making QEMU vulnerable The patch for CVE-2020-17380/CVE-2020-25085 was found to be ineffective, thus making QEMU vulnerable to the out-of-bounds read/write access issues previously found in the SDHCI controller emulation code. This flaw allows a malicious privileged guest to crash the QEMU process on the host, resulting in a denial of service or potential code execution. QEMU up to

CVE-2021-3392 [LOW] CWE-416 CVE-2021-3392: A use-after-free flaw was found in the MegaRAID emulator of QEMU. This issue occurs while processing A use-after-free flaw was found in the MegaRAID emulator of QEMU. This issue occurs while processing SCSI I/O requests in the case of an error mptsas_free_request() that does not dequeue the request object 'req' from a pending requests queue. This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service.

CVE-2021-28963 [MEDIUM] CWE-74 CVE-2021-28963: Shibboleth Service Provider before 3.2.1 allows content injection because template generation uses a Shibboleth Service Provider before 3.2.1 allows content injection because template generation uses attacker-controlled parameters.

CVE-2021-28964 [MEDIUM] CWE-362 CVE-2021-28964: A race condition was discovered in get_old_root in fs/btrfs/ctree.c in the Linux kernel through 5.11 A race condition was discovered in get_old_root in fs/btrfs/ctree.c in the Linux kernel through 5.11.8. It allows attackers to cause a denial of service (BUG) because of a lack of locking on an extent buffer before a cloning operation, aka CID-dbcc7d57bffc.

CVE-2021-28971 [MEDIUM] CWE-755 CVE-2021-28971: In intel_pmu_drain_pebs_nhm in arch/x86/events/intel/ds.c in the Linux kernel through 5.11.8 on some In intel_pmu_drain_pebs_nhm in arch/x86/events/intel/ds.c in the Linux kernel through 5.11.8 on some Haswell CPUs, userspace applications (such as perf-fuzzer) can cause a system crash because the PEBS status in a PEBS record is mishandled, aka CID-d88d05a9e0b6.

CVE-2021-28957 [MEDIUM] CWE-79 CVE-2021-28957: An XSS vulnerability was discovered in python-lxml's clean module versions before 4.6.3. When disabl An XSS vulnerability was discovered in python-lxml's clean module versions before 4.6.3. When disabling the safe_attrs_only and forms arguments, the Cleaner class does not remove the formaction attribute allowing for JS to bypass the sanitizer. A remote attacker could exploit this flaw to run arbitrary JS code on users who interact with incorrectly s