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CVSS: 5.1EPSS: 9%CPEs: 88EXPL: 4

Integer signedness error in Opera before 8.54 allows remote attackers to execute arbitrary code via long values in a stylesheet attribute, which pass a length check. NOTE: a sign extension problem makes the attack easier with shorter strings. Error de entero sin signo en Opera en versiones anteriores a 8.54 permite a atacantes remotos ejecutar código arbitrario a través de valores largos en un atributo de la hoja de estilos, lo que pasa una verificación de longitud. NOTA: un problema de extensión de signo hace el ataque más fácil con cadenas cortas. • https://www.exploit-db.com/exploits/27641 http://lists.suse.com/archive/suse-security-announce/2006-May/0004.html http://marc.info/?l=full-disclosure&m=114493114031891&w=2 http://secunia.com/advisories/20117 http://security.gentoo.org/glsa/glsa-200606-01.xml http://securitytracker.com/id?1015912 http://www.opera.com/docs/changelogs/windows/854 http://www.sec-consult.com/259.html http://www.securityfocus.com/archive/1/430876/100/0/threaded http://www.securityfocus.c • CWE-189: Numeric Errors •

CVSS: 5.0EPSS: 0%CPEs: 1EXPL: 5

Opera 8.02 and earlier allows remote attackers to cause a denial of service (client crash) via (1) a crafted HTML file with a "content: url(0);" style attribute, a "bodyA" tag, a long string, and a "u" tag with a long attribute, as demonstrated by opera.html; and (2) a BGSOUND element with a "margin:-99;" STYLE attribute. • https://www.exploit-db.com/exploits/1254 https://www.exploit-db.com/exploits/1255 http://securitytracker.com/id?1015067 http://www.addict3d.org/index.php?page=viewarticle&type=security&ID=5054 http://www.addict3d.org/index.php?page=viewarticle&type=security&ID=5055 •

CVSS: 5.0EPSS: 1%CPEs: 1EXPL: 1

Opera before 8.51, when running on Windows with Input Method Editor (IME) installed, allows remote attackers to cause a denial of service (persistent application crash) by bookmarking a site with a long title. • http://secunia.com/advisories/17963 http://www.opera.com/support/search/supsearch.dml?index=821 http://www.osvdb.org/21641 http://www.securityfocus.com/bid/15813 http://www.vupen.com/english/advisories/2005/2846 https://exchange.xforce.ibmcloud.com/vulnerabilities/23549 •

CVSS: 5.0EPSS: 0%CPEs: 1EXPL: 3

Opera 8.50 allows remote attackers to cause a denial of service (crash) via a Java applet with a large string argument to the removeMember JNI method for the com.opera.JSObject class. • http://www.illegalaccess.org/exploit/opera85/OperaApplet.html http://www.securityfocus.com/archive/1/418201/100/0/threaded http://www.securityfocus.com/archive/1/418274/100/0/threaded http://www.securityfocus.com/bid/15648 • CWE-20: Improper Input Validation •

CVSS: 7.5EPSS: 15%CPEs: 1EXPL: 0

Opera before 8.51 on Linux and Unix systems allows remote attackers to execute arbitrary code via shell metacharacters (backticks) in a URL that another product provides in a command line argument when launching Opera. Opera anterior a 8.51 en sistemas Linux y Unix permite a atacantes remotos ejecutar código de su elección mediante metacaractérs de 'shell' ('backticks') en una URL que otro producto provee en un argumento de línea de comandos cuando se lanza Opera. • http://archives.neohapsis.com/archives/fulldisclosure/2005-11/0677.html http://secunia.com/advisories/16907 http://secunia.com/advisories/18111 http://secunia.com/secunia_research/2005-57/advisory http://securityreason.com/securityalert/199 http://securitytracker.com/id?1015253 http://www.gentoo.org/security/en/glsa/glsa-200512-10.xml http://www.novell.com/linux/security/advisories/2005_28_sr.html http://www.opera.com/docs/changelogs/linux/851 http://www.osvdb.org/21003 http&# • CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') •