clamav -- possible heap overflow in the UPX code

The Zero Day Initiative reports: This vulnerability allows remote attackers to execute arbitrary code on vulnerable Clam AntiVirus installations. Authentication is not required to exploit this vulnerability. This specific flaw exists within libclamav/upx.c during the unpacking of executable files...

abiword, koffice -- stack based buffer overflow vulnerabilities

Chris Evans reports that AbiWord is vulnerable to multiple stack-based buffer overflow vulnerabilities. This is caused by improper checking of the user-supplied data before it is being copied to an too small buffer. The vulnerability is triggered when someone is importing RTF files...

ruby -- vulnerability in the safe level settings

Ruby home page reports: The Object Oriented Scripting Language Ruby supports safely executing an untrusted code with two mechanisms: safe level and taint flag on objects. A vulnerability has been found that allows bypassing these mechanisms. By using the vulnerability, arbitrary code can be...

xinetd -- ignores user and group directives for TCPMUX services

xinetd would execute configured TCPMUX services without dropping privilege to match the service configuration allowing the service to run with same privilege as the xinetd process root...

tor -- diffie-hellman handshake flaw

A tor advisory reports Tor clients can completely loose anonymity, confidentiality, and data integrity if the first Tor server in their path is malicious. Specifically, if the Tor client chooses a malicious Tor server for her first hop in the circuit, that server can learn all the keys she...

openvpn -- multiple TCP clients connecting with the same certificate at the same time can crash the server

James Yonan reports: If two or more client machines try to connect to the server at the same time via TCP, using the same client certificate, and when --duplicate-cn is not enabled on the server, a race condition can crash the server with "Assertion failed at mtcp.c:411"...

WebCalendar -- unauthorized access vulnerability

SecurityFocus reports that WebCalendar is affected by an unauthorized access vulnerability. The vulnerability is caused by improper checking of the authentication mechanism before access is being permitted to the "assistantedit.php" file...

squirrelmail -- Several cross site scripting vulnerabilities

A SquirrelMail Security Advisory reports: Several cross site scripting XSS vulnerabilities have been discovered in SquirrelMail versions 1.4.0 - 1.4.4. The vulnerabilities are in two categories: the majority can be exploited through URL manipulation, and some by sending a specially crafted email ...

kdelibs -- kimgio input validation errors

A KDE Security Advisory reports: kimgio contains a PCX image file format reader that does not properly perform input validation. A source code audit performed by the KDE security team discovered several vulnerabilities in the PCX and other image file format readers, some of them exploitable to...

rsnapshot -- local privilege escalation

An rsnapshot Advisory reports: The copysymlink subroutine in rsnapshot incorrectly changes file ownership on the files pointed to by symlinks, not on the symlinks themselves. This would allow, under certain circumstances, an arbitrary user to take ownership of a file on the main filesystem...

gaim -- remote DoS on receiving malformed HTML

The GAIM team reports: The gaimmarkupstriphtml function in Gaim 1.2.0, and possibly earlier versions, allows remote attackers to cause a denial of service application crash via a string that contains malformed HTML, which causes an out-of-bounds read...

horde -- Horde Page Title Cross-Site Scripting Vulnerability

Secunia Advisory: SA14730 A vulnerability has been reported in Horde, which can be exploited by malicious people to conduct cross-site scripting attacks. Input passed when setting the parent frame's page title via JavaScript is not properly sanitised before being returned to the user. This can be...

postnuke -- SQL injection vulnerabilities

Two separate SQL injection vulnerabilities have been identified in the PostNuke PHP content management system. An attacker can use this vulnerability to potentially insert executable PHP code into the content management system to view all files within the PHP scope, for instance. Various other SQ...

wu-ftpd -- remote globbing DoS vulnerability

An iDEFENSE Security Advisory reports: Remote exploitation of an input validation vulnerability in version 2.6.2 of WU-FPTD could allow for a denial of service of the system by resource exhaustion. The vulnerability specifically exists in the wufnmatch function in wufnmatch.c. When a pattern...

zhcon -- unauthorized file access

Martin Joey Schulze reports: Erik Sjöund discovered that zhcon, a fast console CJK system using the Linux framebuffer, accesses a user-controlled configuration file with elevated privileges. Thus, it is possible to read arbitrary files. When installed from the FreeBSD Ports Collection, zhcon is...

kdelibs -- insecure temporary file creation

Davide Madrisan reports: The dcopidlng' script in the KDE library package kdelibs-3.3.2/dcop/dcopidlng/dcopidlng creates temporary files in a unsecure manner. Note: dcopidlng is only used at build time, so only users installing KDE are vulnerable, not users already running KDE...

xshisen -- local buffer overflows

Steve Kemp has found buffer overflows in the handling of the command line flag -KCONV and the XSHISENLIB environment variable. Ulf Härnhammer has detected an unbounded copy from the GECOS field to a char array. All overflows can be exploited to gain group games privileges...

ImageMagick -- EXIF parser buffer overflow

There exists a buffer overflow vulnerability in ImageMagick's EXIF parsing code which may lead to execution of arbitrary code...

gaim -- buffer overflow in MSN protocol support

Due to a buffer overflow in the MSN protocol support for gaim 0.79 to 1.0.1, it is possible for remote clients to do a denial-of-service attack on the application. This is caused by an unbounded copy operation, which writes to the wrong buffer...

ghostscript -- insecure temporary file creation vulnerability

Ghostscript is affected by an insecure temporary file creation vulnerability. This issue is likely due to a design error that causes the application to fail to verify the existence of a file before writing to it. An attacker may leverage this issue to overwrite arbitrary files with the privileges...

ecartis -- unauthorised access to admin interface

A Debian security advisory reports: A problem has been discovered in ecartis, a mailing-list manager, which allows an attacker in the same domain as the list admin to gain administrator privileges and alter list settings...

samba -- remote file disclosure

According to a Samba Team security notice: A security vulnerability has been located in Samba 2.2.x = 2.2.11 and Samba 3.0.x = 3.0.5. A remote attacker may be able to gain access to files which exist outside of the share's defined path. Such files must still be readable by the account used for th...

multiple vulnerabilities in ethereal

Issues have been discovered in multiple protocol dissectors...

Linux binary compatibility mode input validation error

A programming error in the handling of some Linux system calls may result in memory locations being accessed without proper validation. It may be possible for a local attacker to read and/or overwrite portions of kernel memory, resulting in disclosure of sensitive information or potential privile...

mysql -- erroneous access restrictions applied to table renames

A Red Hat advisory reports: Oleksandr Byelkin discovered that "ALTER TABLE ... RENAME" checked the CREATE/INSERT rights of the old table instead of the new one. Table access restrictions, on the affected MySQL servers, may accidently or intentially be bypassed due to this bug...

tcpdump ISAKMP payload handling remote denial-of-service

Chad Loder has discovered vulnerabilities in tcpdump's ISAKMP protocol handler. During an audit to repair these issues, Bill Fenner discovered some related problems. These vulnerabilities may be used by an attacker to crash a running tcpdump' process. They can only be triggered if the -v' command...

oftpd denial-of-service vulnerability (PORT command)

Philippe Oechslin reported a denial-of-service vulnerability in oftpd. The oftpd server can be crashed by sending a PORT command containing an integer over 8 bits long over 255...

shmat reference counting bug

A programming error in the shmat2 system call can result in a shared memory segment's reference count being erroneously incremented. It may be possible to cause a shared memory segment to reference unallocated kernel memory, but remain valid. This could allow a local attacker to gain read or writ...

lftp HTML parsing vulnerability

A buffer overflow exists in lftp which may be triggered when requesting a directory listing from a malicious server over HTTP...

ElGamal sign+encrypt keys created by GnuPG can be compromised

Any ElGamal sign+encrypt keys created by GnuPG contain a cryptographic weakness that may allow someone to obtain the private key. These keys should be considered unusable and should be revoked. The following summary was written by Werner Koch, GnuPG author: Phong Nguyen identified a severe bug in...

PHP Composer -- Multiple vulnerabilities

Composer project reports: Fixed command injection via malicious Perforce reference GHSA-gqw4-4w2p-838q / CVE-2026-40261 Fixed command injection via malicious Perforce repository definition GHSA-wg36-wvj6-r67p / CVE-2026-40176...

xorg-server -- Multiple vulnerabilities

X.Org project reports: Multiple issues have been found in the X server and Xwayland implementations published by X.Org for which we are releasing security fixes for in xorg-server-21.1.22 and xwayland-24.1.10...

python -- more webbrowser.open() command injection vulnerabilities

Seth Larson reports: CVE-2026-4786 Incomplete mitigation of CVE-2026-4519, %action expansion for command injection to webbrowser.open There is a HIGH severity vulnerability affecting CPython. Mitgation of CVE-2026-4519 was incomplete. If the URL contained "%action" the mitigation could be bypasse...

python -- several security vulnerabilities

The Python project announces a new release with several security fixes: CVE-2026-1299: gh-144125: BytesGenerator will now refuse to serialize write headers that are unsafely folded or delimited; see verifygeneratedheaders. Contributed by Bas Bloemsaat and Petr Viktorin in gh-121650. gh-143935:...

sudo -- privilege escalation vulnerability through host and chroot options

Todd C. Miller reports, crediting Rich Mirch from Stratascale Cyber Research Unit CRU: Sudo 1.9.17p1: Fixed CVE-2025-32462. Sudo's -h --host option could be specified when running a command or editing a file. This could enable a local privilege escalation attack if the sudoers file allows the use...

Gitlab -- vulnerabilities

Gitlab reports: Privilege Escalation via LFS Tokens DoS through uncontrolled resource consumption when viewing a maliciously crafted cargo.toml file Unintended Access to Usage Data via Scoped Tokens Gitlab DOS via Harbor registry integration Resource exhaustion and denial of service with testrepo...

Gitlab -- vulnerabilities

Gitlab reports: Maintainer can leak Dependency Proxy password by changing Dependency Proxy URL via crafted POST request AI feature reads unsanitized content, allowing for attacker to hide prompt injection Project reference can be exposed in system notes...

qt5-webengine -- Multiple vulnerabilities

Backports for 15 security bugs in Chromium: CVE-2024-4761: Out of bounds write in V8 CVE-2024-5158: Type confusion in V8 CVE-2024-7532: Out of bounds memory access in ANGLE CVE-2024-7965: Inappropriate implementation in V8 CVE-2024-7967: Heap buffer overflow in Fonts CVE-2024-7971: Type confusion...

firefox -- Potential memory corruption and exploitable crash

[email protected] reports: An error in the ECMA-262 specification relating to Async Generators could have resulted in a type confusion, potentially leading to memory corruption and an exploitable crash...

kanboard -- Project Takeover via IDOR in ProjectPermissionController

[email protected] reports: Kanboard is project management software that focuses on the Kanban methodology. The vuln is in app/Controller/ProjectPermissionController.php function addUser. The users permission to add users to a project only get checked on the URL parameter projectid. I...

forgejo -- multiple issues

The forgejo team reports: CVE-2024-24789: The archive/zip package's handling of certain types of invalid zip files differs from the behavior of most zip implementations. This misalignment could be exploited to create an zip file with contents that vary depending on the implementation reading the...

emacs -- multiple vulnerabilities

GNU Emacs developers report: Emacs 29.3 is an emergency bugfix release intended to fix several security vulnerabilities. Arbitrary Lisp code is no longer evaluated as part of turning on Org mode. This is for security reasons, to avoid evaluating malicious Lisp code. New buffer-local variable...

FreeBSD -- jail(2) information leak

Problem Description: The jail2 system call has not limited a visiblity of allocated TTYs the kern.ttys sysctl. This gives rise to an information leak about processes outside the current jail. Impact: Attacker can get information about TTYs allocated on the host or in other jails. Effectively, the...

p5-Spreadsheet-ParseExcel -- Remote Code Execution Vulnerability

Spreadsheet-ParseExcel reports: Spreadsheet::ParseExcel version 0.65 is a Perl module used for parsing Excel files. Spreadsheet::ParseExcel is vulnerable to an arbitrary code execution ACE vulnerability due to passing unvalidated input from a file into a string-type eval "eval". Specifically, the...

FreeBSD -- NFS client data corruption and kernel memory disclosure

Problem Description: In FreeBSD 13.2 and 14.0, the NFS client was optimized to improve the performance of IOAPPEND writes, that is, writes which add data to the end of a file and so extend its size. This uncovered an old bug in some routines which copy userspace data into the kernel. The bug also...

FreeBSD -- msdosfs data disclosure

Problem Description: In certain cases using the truncate or ftruncate system call to extend a file size populates the additional space in the file with unallocated data from the underlying disk device, rather than zero bytes. Impact: A user with write access to files on a msdosfs file system may ...

xrdp -- unchecked access to font glyph info

xrdp team reports: Access to the font glyphs in xrdppainter.c is not bounds-checked. Since some of this data is controllable by the user, this can result in an out-of-bounds read within the xrdp executable. The vulnerability allows an out-of-bounds read within a potentially privileged process. On...

xrdp -- Improper handling of session establishment errors allows bypassing OS-level session restrictions

xrdp team reports: In versions prior to 0.9.23 improper handling of session establishment errors allows bypassing OS-level session restrictions. The authstartsession function can return non-zero 1 value on, e.g., PAM error which may result in session restrictions such as max concurrent sessions p...

Django -- multiple vulnerabilities

Django reports: CVE-2023-36053: Potential regular expression denial of service vulnerability in EmailValidator/URLValidator...

FreeBSD -- Network authentication attack via pam_krb5

Problem Description: pamkrb5 authenticates the user by essentially running kinit1 with the password, getting a ticket-granting ticket' tgt from the Kerberos KDC Key Distribution Center over the network, as a way to verify the password. Normally, the system running the pamkrb5 module will also hav...