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Debian Security Advisory 5517-1

Debian Linux Security Advisory 5517-1 - Multiple security vulnerabilities were discovered in libx11, the X11 client-side library, which may result in denial of service or the execution of arbitrary code.

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-----BEGIN PGP SIGNED MESSAGE-----Hash: SHA512- -------------------------------------------------------------------------Debian Security Advisory DSA-5517-1                   [email protected]://www.debian.org/security/                       Moritz MuehlenhoffOctober 05, 2023                      https://www.debian.org/security/faq- -------------------------------------------------------------------------Package        : libx11CVE ID         : CVE-2023-43785 CVE-2023-43786 CVE-2023-43787Multiple security vulnerabilities were discovered in libx11, the X11client-side library, which may result in denial of service or theexecution of arbitrary code.For the oldstable distribution (bullseye), these problems have been fixedin version 2:1.7.2-1+deb11u2.For the stable distribution (bookworm), these problems have been fixed inversion 2:1.8.4-2+deb12u2.We recommend that you upgrade your libx11 packages.For the detailed security status of libx11 please refer toits security tracker page at:https://security-tracker.debian.org/tracker/libx11Further information about Debian Security Advisories, how to applythese updates to your system and frequently asked questions can befound at: https://www.debian.org/security/Mailing list: [email protected] PGP SIGNATURE-----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YNpi-----END PGP SIGNATURE-----

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Ubuntu Security Notice USN-6407-1

Ubuntu Security Notice 6407-1 - Gregory James Duck discovered that libx11 incorrectly handled certain keyboard symbols. If a user were tricked into connecting to a malicious X server, a remote attacker could use this issue to cause libx11 to crash, resulting in a denial of service, or possibly execute arbitrary code. Yair Mizrahi discovered that libx11 incorrectly handled certain malformed XPM image files. If a user were tricked into opening a specially crafted XPM image file, a remote attacker could possibly use this issue to consume memory, leading to a denial of service.

Ubuntu Security Notice USN-6407-1

Ubuntu Security Notice 6407-1 - Gregory James Duck discovered that libx11 incorrectly handled certain keyboard symbols. If a user were tricked into connecting to a malicious X server, a remote attacker could use this issue to cause libx11 to crash, resulting in a denial of service, or possibly execute arbitrary code. Yair Mizrahi discovered that libx11 incorrectly handled certain malformed XPM image files. If a user were tricked into opening a specially crafted XPM image file, a remote attacker could possibly use this issue to consume memory, leading to a denial of service.

Ubuntu Security Notice USN-6408-1

Ubuntu Security Notice 6408-1 - Yair Mizrahi discovered that libXpm incorrectly handled certain malformed XPM image files. If a user were tricked into opening a specially crafted XPM image file, a remote attacker could possibly use this issue to consume memory, leading to a denial of service. Yair Mizrahi discovered that libXpm incorrectly handled certain malformed XPM image files. If a user were tricked into opening a specially crafted XPM image file, a remote attacker could use this issue to cause libXpm to crash, leading to a denial of service, or possibly execute arbitrary code.

Ubuntu Security Notice USN-6408-1

Ubuntu Security Notice 6408-1 - Yair Mizrahi discovered that libXpm incorrectly handled certain malformed XPM image files. If a user were tricked into opening a specially crafted XPM image file, a remote attacker could possibly use this issue to consume memory, leading to a denial of service. Yair Mizrahi discovered that libXpm incorrectly handled certain malformed XPM image files. If a user were tricked into opening a specially crafted XPM image file, a remote attacker could use this issue to cause libXpm to crash, leading to a denial of service, or possibly execute arbitrary code.

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