Debian vulnerabilities
We track 1,111 vulnerabilities in Debian products across 10 products. 1,094 are rated high or critical, and 123 have been exploited in real attacks. The most recent was published on November 6, 2026.
Latest Debian vulnerabilities
- 9.8 Critical severity
pjproject: Use After Free
PJSIP is a free and open source multimedia communication library written in C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. In versions up to and including 2.11.1 when in a dialog set (or forking) scenario, a hash k
- 10.0 Critical severity
Debian-specific Redis Server Lua Sandbox Escape Exploited
It was discovered, that redis, a persistent key-value database, due to a packaging issue, is prone to a (Debian-specific) Lua sandbox escape, which could result in remote code execution.
- 7.8 High severity
Red Hat Polkit Incorrect Authorization Exploited
It was found that polkit could be tricked into bypassing the credential checks for D-Bus requests, elevating the privileges of the requestor to the root user. This flaw could be used by an unprivileged local attacker to, for example, create a new local adminis
- 7.8 High severity
KiCad: Out-of-bounds Write
A stack-based buffer overflow vulnerability exists in the Gerber Viewer gerber and excellon ReadIJCoord coordinate parsing functionality of KiCad EDA 6.0.1 and master commit de006fc010. A specially-crafted gerber or excellon file can lead to code execution. An
- 7.8 High severity
KiCad: Out-of-bounds Write
A stack-based buffer overflow vulnerability exists in the Gerber Viewer gerber and excellon ReadXYCoord coordinate parsing functionality of KiCad EDA 6.0.1 and master commit de006fc010. A specially-crafted gerber or excellon file can lead to code execution. An
- 9.8 Critical severity
SIMATIC S7-1500 CPU 1518-4 PN/DP MFP: Improper Encoding or Escaping of Output
xmltok_impl.c in Expat (aka libexpat) before 2.4.5 lacks certain validation of encoding, such as checks for whether a UTF-8 character is valid in a certain context.
- 7.5 High severity
Wireshark: Loop with Unreachable Exit Condition
Infinite loop in RTMPT protocol dissector in Wireshark 3.6.0 to 3.6.1 and 3.4.0 to 3.4.11 allows denial of service via packet injection or crafted capture file
- 7.5 High severity
Wireshark: Out-of-bounds Write
Crash in the PVFS protocol dissector in Wireshark 3.6.0 to 3.6.1 and 3.4.0 to 3.4.11 allows denial of service via packet injection or crafted capture file
- 9.8 Critical severity
Wireshark: NULL Pointer Dereference
Unaligned access in the CSN.1 protocol dissector in Wireshark 3.6.0 to 3.6.1 and 3.4.0 to 3.4.11 allows denial of service via packet injection or crafted capture file
- 7.5 High severity
Wireshark: Use After Free
Crash in the CMS protocol dissector in Wireshark 3.6.0 to 3.6.1 and 3.4.0 to 3.4.11 allows denial of service via packet injection or crafted capture file
- 9.1 Critical severity
Go: Unchecked Return Value
Curve.IsOnCurve in crypto/elliptic in Go before 1.16.14 and 1.17.x before 1.17.7 can incorrectly return true in situations with a big.Int value that is not a valid field element.
- 7.5 High severity
twisted: Origin Validation Error
twisted is an event-driven networking engine written in Python. In affected versions twisted exposes cookies and authorization headers when following cross-origin redirects. This issue is present in the `twited.web.RedirectAgent` and `twisted.web. BrowserLikeR
- 7.8 High severity
KiCad: Out-of-bounds Write
A stack-based buffer overflow vulnerability exists in the Gerber Viewer gerber and excellon DCodeNumber parsing functionality of KiCad EDA 6.0.1 and master commit de006fc010. A specially-crafted gerber or excellon file can lead to code execution. An attacker c
- 7.8 High severity
KiCad: Out-of-bounds Write
A stack-based buffer overflow vulnerability exists in the Gerber Viewer gerber and excellon GCodeNumber parsing functionality of KiCad EDA 6.0.1 and master commit de006fc010. A specially-crafted gerber or excellon file can lead to code execution. An attacker c
- 9.8 Critical severity
Twig: Improper Control of Generation of Code
Twig is an open source template language for PHP. When in a sandbox mode, the `arrow` parameter of the `sort` filter must be a closure to avoid attackers being able to run arbitrary PHP functions. In affected versions this constraint was not properly enforced
- 7.5 High severity
Django: Loop with Unreachable Exit Condition
An issue was discovered in MultiPartParser in Django 2.2 before 2.2.27, 3.2 before 3.2.12, and 4.0 before 4.0.2. Passing certain inputs to multipart forms could result in an infinite loop when parsing files.
- 9.8 Critical severity
Postgresql Jdbc Driver: Improper Initialization
pgjdbc is the offical PostgreSQL JDBC Driver. A security hole was found in the jdbc driver for postgresql database while doing security research. The system using the postgresql library will be attacked when attacker control the jdbc url or properties. pgjdbc
- 9.1 Critical severity
Connman: Out-of-bounds Read
An issue was discovered in the DNS proxy in Connman through 1.40. The TCP server reply implementation lacks a check for the presence of sufficient Header Data, leading to an out-of-bounds read.
- 7.0 High severity
Apache Tomcat: Time-of-check Time-of-use (TOCTOU) Race Condition
The fix for bug CVE-2020-9484 introduced a time of check, time of use vulnerability into Apache Tomcat 10.1.0-M1 to 10.1.0-M8, 10.0.0-M5 to 10.0.14, 9.0.35 to 9.0.56 and 8.5.55 to 8.5.73 that allowed a local attacker to perform actions with the privileges of t
- 9.1 Critical severity
pjproject: Out-of-bounds Read
PJSIP is a free and open source multimedia communication library written in C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. In versions 2.11.1 and prior, parsing an incoming SIP message that contains a malformed mul
- 9.1 Critical severity
pjproject: Out-of-bounds Read
PJSIP is a free and open source multimedia communication library written in C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. In version 2.11.1 and prior, there are various cases where it is possible that certain inco
- 7.0 High severity
Linux Kernel Privilege Escalation Exploited
A double free bug in packet_set_ring() in net/packet/af_packet.c can be exploited by a local user through crafted syscalls to escalate privileges or deny service. We recommend upgrading kernel past the effected versions or rebuilding past ec6af094ea28f0f2dda1a
- 9.1 Critical severity
Varnich Cache: Inconsistent Interpretation of HTTP Requests
In Varnish Cache before 6.6.2 and 7.x before 7.0.2, Varnish Cache 6.0 LTS before 6.0.10, and and Varnish Enterprise (Cache Plus) 4.1.x before 4.1.11r6 and 6.0.x before 6.0.9r4, request smuggling can occur for HTTP/1 connections.
- 7.8 High severity
xen: Improper Resource Shutdown or Release
arm: guest_physmap_remove_page not removing the p2m mappings The functions to remove one or more entries from a guest p2m pagetable on Arm (p2m_remove_mapping, guest_physmap_remove_page, and p2m_set_entry with mfn set to INVALID_MFN) do not actually clear the
- 7.5 High severity
Sidekiq: Allocation of Resources Without Limits or Throttling
In api.rb in Sidekiq before 5.2.10 and 6.4.0, there is no limit on the number of days when requesting stats for the graph. This overloads the system, affecting the Web UI, and makes it unavailable to users.
- 8.8 High severity
ipython: Improper Privilege Management
IPython (Interactive Python) is a command shell for interactive computing in multiple programming languages, originally developed for the Python programming language. Affected versions are subject to an arbitrary code execution vulnerability achieved by not pr
- 9.8 Critical severity
H2: Improper Neutralization of Argument Delimiters in a Command
H2 Console before 2.1.210 allows remote attackers to execute arbitrary code via a jdbc:h2:mem JDBC URL containing the IGNORE_UNKNOWN_SETTINGS=TRUE;FORBID_CREATION=FALSE;INIT=RUNSCRIPT substring, a different vulnerability than CVE-2021-42392.
- 7.5 High severity
Libreswan: NULL Pointer Dereference
Libreswan 4.2 through 4.5 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted IKEv1 packet because pluto/ikev1.c wrongly expects that a state object exists. This is fixed in 4.6.
- 7.8 High severity
Linux Kernel: NULL Pointer Dereference
kernel/bpf/verifier.c in the Linux kernel through 5.15.14 allows local users to gain privileges because of the availability of pointer arithmetic via certain *_OR_NULL pointer types.
- 9.8 Critical severity
SIMATIC S7-1500 CPU 1518-4 PN/DP MFP: Buffer Copy without Checking Size of Input
The deprecated compatibility function clnt_create in the sunrpc module of the GNU C Library (aka glibc) through 2.34 copies its hostname argument on the stack without validating its length, which may result in a buffer overflow, potentially resulting in a deni
- 9.8 Critical severity
SIMATIC S7-1500 CPU 1518-4 PN/DP MFP: Buffer Copy without Checking Size of Input
The deprecated compatibility function svcunix_create in the sunrpc module of the GNU C Library (aka glibc) through 2.34 copies its path argument on the stack without validating its length, which may result in a buffer overflow, potentially resulting in a denia
- 7.5 High severity
ClamAV: Out-of-bounds Read
A vulnerability in the OOXML parsing module in Clam AntiVirus (ClamAV) Software version 0.104.1 and LTS version 0.103.4 and prior versions could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnera
- 5.3 Medium severity
Zabbix Frontend Improper Access Control Exploited
After the initial setup process, some steps of setup.php file are reachable not only by super-administrators, but by unauthenticated users as well. Malicious actor can pass step checks and potentially change the configuration of Zabbix Frontend.
- 8.8 High severity
wordpress-develop: Improper Neutralization of Special Elements used in an SQL Command
WordPress is a free and open-source content management system written in PHP and paired with a MariaDB database. Due to lack of proper sanitization in one of the classes, there's potential for unintended SQL queries to be executed. This has been patched in Wor
- 7.2 High severity
wordpress-develop: Deserialization of Untrusted Data
WordPress is a free and open-source content management system written in PHP and paired with a MariaDB database. On a multisite, users with Super Admin role can bypass explicit/additional hardening under certain conditions through object injection. This has be
- 7.5 High severity
wordpress-develop: Improper Neutralization of Special Elements used in an SQL Command
WordPress is a free and open-source content management system written in PHP and paired with a MariaDB database. Due to improper sanitization in WP_Query, there can be cases where SQL injection is possible through plugins or themes that use it in a certain way
- 6.4 Medium severity
Android Kernel Race Condition Exploited
In unix_scm_to_skb of af_unix.c, there is a possible use after free bug due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions:
- 9.0 Critical severity
Apache Log4j2 Deserialization of Untrusted Data Exploited
It was found that the fix to address CVE-2021-44228 in Apache Log4j 2.15.0 was incomplete in certain non-default configurations. This could allows attackers with control over Thread Context Map (MDC) input data when the logging configuration uses a non-default
- 10.0 Critical severity
Apache Log4j2 Remote Code Execution Exploited
Apache Log4j2 2.0-beta9 through 2.15.0 (excluding security releases 2.12.2, 2.12.3, and 2.3.1) JNDI features used in configuration, log messages, and parameters do not protect against attacker controlled LDAP and other JNDI related endpoints. An attacker who c
- 8.8 High severity
Google Chromium V8 Memory Corruption Exploited
Inappropriate implementation in V8 in Google Chrome prior to 95.0.4638.69 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.