Ecosystem
Debian
61,812 known vulnerabilities.
Most affected packages
3,227 results · Clear filters · Feed
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Unscored —CVE-2021-33909 Public exploit
fs/seq_file.c in the Linux kernel 3.16 through 5.13.x before 5.13.4 does not properly restrict seq buffer allocations, …
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Medium 5.3
Encoded URIs can access WEB-INF directory in Eclipse Jetty
For Eclipse Jetty versions 9.4.37-9.4.42, 10.0.1-10.0.5 & 11.0.1-11.0.5, URIs can be crafted using some encoded characters to access the content of the WEB-INF directory and/or bypass some security constraints. This is a variation of the vulnerability reporte…
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Unscored —CVE-2021-34558 Public exploit
Panic on certain certificates in crypto/tls
The crypto/tls package of Go through 1.16.5 does not properly assert that the type of public key in an X.509 certificate matches the expected type when doing a RSA based key exchange, allowing a malicious TLS server to cause a TLS client to panic.
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High 8.3
Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE
A heap out-of-bounds write affecting Linux since v2.6.19-rc1 was discovered in net/netfilter/x_tables.c. This allows an attacker to gain privileges or cause a DoS (via heap memory corruption) through user name space
KEV Oct 6, 2025 -
Critical 9.8CVE-2021-32708 Public exploit
Time-of-check Time-of-use (TOCTOU) Race Condition in league/flysystem
Flysystem is an open source file storage library for PHP. The whitespace normalisation using in 1.x and 2.x removes any unicode whitespace. Under certain specific conditions this could potentially allow a malicious user to execute code remotely. The condition…
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Unscored —CVE-2021-33624 Public exploit
In kernel/bpf/verifier.c in the Linux kernel before 5.12.13, a branch can be mispredicted (e.g., because of type confus…
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Low 2.9CVE-2021-34428 Public exploit
SessionListener can prevent a session from being invalidated breaking logout
For Eclipse Jetty versions <= 9.4.40, <= 10.0.2, <= 11.0.2, if an exception is thrown from the SessionListener#sessionDestroyed() method, then the session ID is not invalidated in the session ID manager. On deployments with clustered sessions and multiple con…
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High 8.8
Type confusion in V8 in Google Chrome prior to 91.0.4472.101 allowed a remote attacker to potentially exploit heap corr…
KEV Nov 3, 2021 -
Unscored —
mod_session NULL pointer dereference
Apache HTTP Server versions 2.4.0 to 2.4.46 A specially crafted Cookie header handled by mod_session can cause a NULL pointer dereference and crash, leading to a possible Denial Of Service
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High 7.5CVE-2021-33560 Public exploit
Libgcrypt before 1.8.8 and 1.9.x before 1.9.3 mishandles ElGamal encryption because it lacks exponent blinding to addre…
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Unscored —
An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. An integer overflow problem allows a remote server t…
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Unscored —CVE-2021-30535 Public exploit
Double free in ICU in Google Chrome prior to 91.0.4472.77 allowed a remote attacker to potentially exploit heap corrupt…
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Unscored —CVE-2021-30517 Public exploit
Type confusion in V8 in Google Chrome prior to 90.0.4430.212 allowed a remote attacker to potentially exploit heap corr…
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High 7.8
Linux kernel eBPF bitwise ops ALU32 bounds tracking
The eBPF ALU32 bounds tracking for bitwise ops (AND, OR and XOR) in the Linux kernel did not properly update 32-bit bounds, which could be turned into out of bounds reads and writes in the Linux kernel and therefore, arbitrary code execution. This issue was f…
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Unscored —
A security issue in nginx resolver was identified, which might allow an attacker who is able to forge UDP packets from …
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High 7.5
XStream is vulnerable to a Remote Command Execution attack
XStream is software for serializing Java objects to XML and back again. A vulnerability in XStream versions prior to 1.4.17 may allow a remote attacker has sufficient rights to execute commands of the host only by manipulating the processed input stream. No u…
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Unscored —
An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to a memory-management bug, it is vulnerable to …
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Unscored —CVE-2020-27815 Public exploit
A flaw was found in the JFS filesystem code in the Linux Kernel which allows a local attacker with the ability to set e…
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High 8.8CVE-2021-31440 Public exploit
This vulnerability allows local attackers to escalate privileges on affected installations of Linux Kernel 5.11.15. An …
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Unscored —CVE-2021-33034 Public exploit
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-…
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Critical 9.8CVE-2021-33026 Public exploit
Deserialization of Untrusted Data in Flask-Caching
The Flask-Caching extension through 1.10.1 for Flask relies on Pickle for serialization, which may lead to remote code execution or local privilege escalation. If an attacker gains access to cache storage (e.g., filesystem, Memcached, Redis, etc.), they can c…
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Unscored —CVE-2020-27824 Public exploit
A flaw was found in OpenJPEG’s encoder in the opj_dwt_calc_explicit_stepsizes() function. This flaw allows an attacker …
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Medium 5.3CVE-2021-21424 Public exploit
Prevent user enumeration using Guard or the new Authenticator-based Security
Symfony is a PHP framework for web and console applications and a set of reusable PHP components. The ability to enumerate users was possible without relevant permissions due to different handling depending on whether the user existed or not when attempting t…
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Unscored —CVE-2021-32399 Public exploit
net/bluetooth/hci_request.c in the Linux kernel through 5.12.2 has a race condition for removal of the HCI controller.
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Unscored —CVE-2020-28022 Public exploit
Exim 4 before 4.94.2 has Improper Restriction of Write Operations within the Bounds of a Memory Buffer. This occurs whe…
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Unscored —
Exim 4 before 4.94.2 allows Use After Free in smtp_reset in certain situations that may be common for builds with OpenS…
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Critical 9.8
Path traversal in impacket
Multiple path traversal vulnerabilities exist in smbserver.py in Impacket through 0.9.22. An attacker that connects to a running smbserver instance can list and write to arbitrary files via ../ directory traversal. This could potentially be abused to achieve …
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Medium 5.6CVE-2021-23383 Public exploit
Prototype Pollution
The package handlebars before 4.7.7 are vulnerable to Prototype Pollution when selecting certain compiling options to compile templates coming from an untrusted source.
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Unscored —CVE-2021-20294 Public exploit
A flaw was found in binutils readelf 2.35 program. An attacker who is able to convince a victim using readelf to read a…
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High 8.8
Insufficient validation of untrusted input in V8 in Google Chrome prior to 89.0.4389.128 allowed a remote attacker to p…
KEV Nov 3, 2021 -
Medium 6.8
Improper neutralization of user data in the DjVu file format in ExifTool versions 7.44 and up allows arbitrary code exe…
KEV Nov 17, 2021 -
Critical 9.1CVE-2021-26291 Public exploit
block repositories using http by default
Apache Maven will follow repositories that are defined in a dependency’s Project Object Model (pom) which may be surprising to some users, resulting in potential risk if a malicious actor takes over that repository or is able to insert themselves into a posit…
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Unscored —CVE-2021-29155 Public exploit
An issue was discovered in the Linux kernel through 5.11.x. kernel/bpf/verifier.c performs undesirable out-of-bounds sp…
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High 8.8
The overlayfs implementation in the linux kernel did not properly validate with respect to user namespaces the setting …
KEV Oct 20, 2022 -
High 7.1
WordPress Authenticated XXE attack when installation is running PHP 8
Wordpress is an open source CMS. A user with the ability to upload files (like an Author) can exploit an XML parsing issue in the Media Library leading to XXE attacks. This requires WordPress installation to be using PHP 8. Access to internal files is possibl…
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Medium 6.5
Possible limited path traversal vulnerabily in Apache Commons IO
In Apache Commons IO before 2.7, When invoking the method FileNameUtils.normalize with an improper input string, like "//../foo", or "\\..\foo", the result would be the same value, thus possibly providing access to files in the parent directory, but not furth…
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High 7.1
SSRF vulnerability with the Replication handler
The ReplicationHandler (normally registered at "/replication" under a Solr core) in Apache Solr has a "masterUrl" (also "leaderUrl" alias) parameter that is used to designate another ReplicationHandler on another Solr core to replicate index data into the loc…
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Medium 5.6CVE-2021-23369 Public exploit
Remote Code Execution (RCE)
The package handlebars before 4.7.7 are vulnerable to Remote Code Execution (RCE) when selecting certain compiling options to compile templates coming from an untrusted source.
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Unscored —CVE-2021-28879 Public exploit
In the standard library in Rust before 1.52.0, the Zip implementation can report an incorrect size due to an integer ov…
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High 7.5
Jetty vulnerable to incorrect handling of invalid large TLS frame, exhausting CPU resources
In Eclipse Jetty 7.2.2 to 9.4.38, 10.0.0.alpha0 to 10.0.1, and 11.0.0.alpha0 to 11.0.1, CPU usage can reach 100% upon receiving a large invalid TLS frame.