Debian Security

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Debian DSA-6220-1 SimpleEval Important Sandbox Bypass CVE-2026-32640
Stay Vigilant with Timely Linux Security Advisories Apr 20, 2026 | 19:04 pm
Byambadalai Sumiya discovered that SimpleEval, a library for adding evaluatable expressions into Python projects, didn't fully restrict some module references, resulting in sandbox bypass. For the oldstable distribution (bookworm), this problem has been fixed in version 0.9.12-1+deb12u1.
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Debian Trixie pillow Important DoS Risk DSA-6219-1 CVE-2026-40192
Stay Vigilant with Timely Linux Security Advisories Apr 19, 2026 | 18:22 pm
It was discovered that missing input sanitising in the FITS support of Pillow, a Python imaging library, could result in denial of service. The oldstable distribution (bookworm) is not affected. For the stable distribution (trixie), this problem has been fixed[…]
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Ubuntu DSA-7219-1 Ghostscript Severe Buffer Underflow DDoS CVE-2026-4401
Stay Vigilant with Timely Linux Security Advisories Apr 18, 2026 | 15:11 pm
A heap-based buffer overflow flaw was discovered in MuPDF, a lightweight PDF viewer, which may result in denial of service or the execution of arbitrary code if malformed documents are opened. For the oldstable distribution (bookworm), this problem has been[…]
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Debian DSA-6217-1 Luanti Important Sandbox Escape Security Issues
Stay Vigilant with Timely Linux Security Advisories Apr 17, 2026 | 21:19 pm
Two security issues were discovered in Luanti, a multiplayer infinite-world block sandbox game, which could result in incomplete restrictions for installed mods or sandbox escape. For the stable distribution (trixie), these problems have been fixed in version 5.10.0+dfsg-5+deb13u1.
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Debian Bookworm DSA-6215-1 GIMP Important Denial of Service
Stay Vigilant with Timely Linux Security Advisories Apr 17, 2026 | 21:18 pm
Several vulnerabilities were discovered in GIMP, the GNU Image Manipulation Program, which could result in denial of service or potentially the execution of arbitrary code if malformed PSP, JPEG 2000, PSD or ANI files are opened. For the oldstable distribution[…]
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Debian Bookworm Chromium Critical Code Execution DoS Advisory DSA-6214-1
Stay Vigilant with Timely Linux Security Advisories Apr 17, 2026 | 08:31 am
Security issues were discovered in Chromium which could result in the execution of arbitrary code, denial of service, or information disclosure. For the oldstable distribution (bookworm), these problems have been fixed in version 147.0.7727.101-1~deb12u1.
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Debian DSA-6212-1 Incus Important Privilege Escalation Issues
Stay Vigilant with Timely Linux Security Advisories Apr 15, 2026 | 19:16 pm
Two security issues were discovered in Incus, a system container and virtual machine manager, which could result in restriction bypass or privilege escalation. For the stable distribution (trixie), these problems have been fixed in version 6.0.4-2+deb13u6.
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Debian DSA-6211-1 Thunderbird Important Exec Code Security Risk
Stay Vigilant with Timely Linux Security Advisories Apr 14, 2026 | 20:43 pm
Multiple security issues were discovered in Thunderbird, which could result in the execution of arbitrary code. For the oldstable distribution (bookworm), these problems have been fixed in version 1:140.9.1esr-1~deb12u1. For the stable distribution (trixie), these problems have been fixed in
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Debian Bookworm Imagemagick Important Code Execution Risks DSA-6210-1
Stay Vigilant with Timely Linux Security Advisories Apr 14, 2026 | 20:29 pm
Multiple security vulnerabilities were discovered in imagemagick, a software suite used for editing and manipulating digital images, which could lead to symlink races, information leaks, denial of service and potentially arbitrary code execution. For the oldstable distribution (bookworm), these problems[…]
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Debian xdg-dbus-proxy Critical Info Disclosure Vuln DSA-6209-1
Stay Vigilant with Timely Linux Security Advisories Apr 13, 2026 | 20:41 pm
It was discovered that incorrect parsing of policy rules in the xdg-dbus-proxy (a filtering proxy for D-Bus connections) allowed the bypass of eavesdrop restrictions, which could result in information disclosure. For the stable distribution (trixie), this problem has been fixed[…]
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Debian DSA-6208-1 MediaWiki High Info Disclosure and Permission Issues
Stay Vigilant with Timely Linux Security Advisories Apr 12, 2026 | 09:37 am
Multiple security issues were discovered in MediaWiki, a website engine for collaborative work, which could result in information disclosure or incomplete permission checks. For the oldstable distribution (bookworm), these problems have been fixed in version 1:1.39.17-1+deb12u2.
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Debian DSA-6207-1 Flatpak Important Sandbox Breakout Exec Risk
Stay Vigilant with Timely Linux Security Advisories Apr 12, 2026 | 09:23 am
Multiple security vulnerabilities were discovered in Flatpak, an application deployment framework for desktop apps, which could allow a Flatpak app to delete arbitrary hosts on the host or break out of the sandbox resulting in code execution in the host[…]
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Debian Bookworm gdk-pixbuf Important JPEG Code Execution DoS DSA-6206-1
Stay Vigilant with Timely Linux Security Advisories Apr 11, 2026 | 19:00 pm
It was discovered that gdk-pixbuf, the GDK Pixbuf library, does not properly validate color component counts in the JPEG image loader, which may result in the execution of arbitrary code or denial of service if specially crafted JPEG images are[…]
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Debian Oldstable Chromium Critical Execution DoS Info Disclosure DSA-6205-1
Stay Vigilant with Timely Linux Security Advisories Apr 10, 2026 | 15:21 pm
Security issues were discovered in Chromium which could result in the execution of arbitrary code, denial of service, or information disclosure. For the oldstable distribution (bookworm), these problems have been fixed in version 147.0.7727.55-1~deb12u1.
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Debian OpenSSH Critical DSA-6204-1 CVE-2026-3497 Remote DoS Execution
Stay Vigilant with Timely Linux Security Advisories Apr 9, 2026 | 20:34 pm
Jeremy Brown discovered a flaw in the GSSAPI Key Exchange patch applied in Debian to OpenSSH, an implementation of the SSH protocol suite, affecting non-default configurations with the GSSAPIKeyExchange setting enabled. A remote attacker can take advantage of this flaw[…]
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Debian Bookworm tiff Critical Heap Overflow DoS CVE-2026-4775
Stay Vigilant with Timely Linux Security Advisories Apr 8, 2026 | 18:35 pm
Quang Luong discovered a heap overflow in the libtiff library, which may result in denial of service or the execution of arbitrary code if malformed image files are processed. For the oldstable distribution (bookworm), this problem has been fixed in[…]
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Debian Firefox-ESR Critical Code Execution Advisory DSA-6202-1
Stay Vigilant with Timely Linux Security Advisories Apr 8, 2026 | 18:34 pm
Multiple security issues have been found in the Mozilla Firefox web browser, which could potentially result in the execution of arbitrary code. For the oldstable distribution (bookworm), these problems have been fixed in version 140.9.1esr-1~deb12u1.
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Debian DSA-6201-1 OpenSSL Important Remote Code Exec Denial of Service
Stay Vigilant with Timely Linux Security Advisories Apr 7, 2026 | 21:17 pm
Multiple vulnerabilities have been discovered in OpenSSL, a Secure Sockets Layer toolkit, which may result in denial of service, information leaks, or potentially remote code execution. Additional details can be found in the upstream advisory: https://openssl-library.org/news/secadv/20260407.txt
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