Sergei Glazunov discovered a heap-based buffer overflow vulnerability in the handling of embedded PNG bitmaps in FreeType. Opening malformed fonts may result in denial of service or the execution of arbitrary code. . - ------------------------------------------------------------------------- Debian Security Advisory DSA-4777-1
An integer overflow in the PNG handling of Dillo might result in the remote execution of arbitrary code.. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 200908-10 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: Dillo: User-assisted execution of arbitrary code Date: August 18, 2009 Bugs: #276432 ID: 200908-10 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======= An integer overflow in the PNG handling of Dillo might result in the remote execution of arbitrary code. Background ========= Dillo is a graphical web browser known for its speed and small footprint. Affected packages ================ ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 www-client/dillo < 2.1.1 > = 2.1.1 Description ========== Tilei Wang reported an integer overflow in the Png_datainfo_callback() function, possibly leading to a heap-based buffer overflow. Impact ===== A remote attacker could entice a user to open an HTML document containing a specially crafted, large PNG image, possibly resulting in the execution of arbitrary code with the privileges of the user running the application. Workaround ========= There is no known workaround at this time. Resolution ========= All Dillo users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose =www-client/dillo-2.1.1 References ========= [ 1 ] CVE-2009-2294 https://www.cve.org/CVERecord?id=CVE-2009-2294 Availability =========== This GLSA and any updates to it are available for viewing at theGentoo Security Website: https://security.gentoo.org/glsa/200908-10 Concerns? ======== Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to
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