{"id":"CVE-2012-3456","aliases":["DEBIAN-CVE-2012-3456","EUVD-2012-3417","GHSA-gmv4-h63m-hqgg"],"status":"published","title":"Heap-based buffer overflow in the read function in filters/words/msword-odf/wv2/src/styles.cpp in...","description":"Heap-based buffer overflow in the read function in filters/words/msword-odf/wv2/src/styles.cpp in the Microsoft import filter in Calligra 2.4.3 and earlier allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a crafted ODF style in an ODF document.  NOTE: this is the same vulnerability as CVE-2012-3455, but it was SPLIT by the CNA even though Calligra and KOffice share the same codebase.","severity":{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.20073,"percentile":0.97466,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-119"],"published":"2012-08-20T18:00:00Z","modified":"2026-10-23T17:47:25Z","exploits":[{"source":"exploitdb","id":"EDB-37576","title":"Alligra Calligra - Heap Buffer Overflow","type":"remote","platform":"linux","date":"2012-08-07","verified":true,"url":"https://www.exploit-db.com/exploits/37576"}],"fixes":[{"ecosystem":"Debian:12","package":"calligra","fixed_in":["1:2.4.3-2"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"calligra","fixed_in":["1:2.4.3-2"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"calligra","fixed_in":["1:2.4.3-2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"calligra","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.4.3-2"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"calligra","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.4.3-2"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"calligra","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.4.3-2"}]}]}],"products":[{"vendor":"calligra","product":"calligra"}],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/77482","tags":["vdb-entry","x_refsource_XF","x_transferred","web"]},{"url":"http://www.openwall.com/lists/oss-security/2012/08/10/1","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://www.openwall.com/lists/oss-security/2012/08/06/6","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2012-08/msg00026.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","web"]},{"url":"http://www.openwall.com/lists/oss-security/2012/08/06/1","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://www.openwall.com/lists/oss-security/2012/08/04/5","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://marc.info/?l=bugtraq\u0026m=136733075705494\u0026w=2","tags":["vendor-advisory","x_refsource_HP","x_transferred","web"]},{"url":"http://media.blackhat.com/bh-us-12/Briefings/C_Miller/BH_US_12_Miller_NFC_attack_surface_WP.pdf","tags":["x_refsource_MISC","x_transferred","web"]},{"url":"http://www.openwall.com/lists/oss-security/2012/08/04/1","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://www.ubuntu.com/usn/USN-1525-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","advisory"]},{"url":"http://www.kde.org/info/security/advisory-20120810-1.txt","tags":["x_refsource_CONFIRM","x_transferred","advisory"]},{"url":"http://secunia.com/advisories/50050","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory","advisory"]},{"url":"http://www.securityfocus.com/bid/54816","tags":["vdb-entry","x_refsource_BID","x_transferred","Exploit","evidence"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-3456"},{"url":"https://github.com/advisories/GHSA-gmv4-h63m-hqgg"},{"url":"https://security-tracker.debian.org/tracker/CVE-2012-3456","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2012-3456","description":"Heap-based buffer overflow in the read function in filters/words/msword-odf/wv2/src/styles.cpp in the Microsoft import filter in Calligra 2.4.3 and earlier allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a crafted ODF style in an ODF document.  NOTE: this is the same vulnerability as CVE-2012-3455, but it was SPLIT by the CNA even though Calligra and KOffice share the same codebase.","status":"published","published":"2012-08-20T18:00:00Z","modified":"2024-08-06T20:05:12.652Z","updated_at":"2026-11-02T14:34:50.615647Z"}],"euvd":[{"id":"EUVD-2012-3417","description":"Heap-based buffer overflow in the read function in filters/words/msword-odf/wv2/src/styles.cpp in the Microsoft import filter in Calligra 2.4.3 and earlier allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a crafted ODF style in an ODF document.  NOTE: this is the same vulnerability as CVE-2012-3455, but it was SPLIT by the CNA even though Calligra and KOffice share the same codebase.","status":"published","published":"2012-08-20T18:00:00Z","modified":"2024-08-06T20:05:12Z","updated_at":"2026-11-03T01:56:10.882899Z"}],"ghsa":[{"id":"GHSA-gmv4-h63m-hqgg","title":"Heap-based buffer overflow in the read function in filters/words/msword-odf/wv2/src/styles.cpp in...","description":"Heap-based buffer overflow in the read function in filters/words/msword-odf/wv2/src/styles.cpp in the Microsoft import filter in Calligra 2.4.3 and earlier allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a crafted ODF style in an ODF document.  NOTE: this is the same vulnerability as CVE-2012-3455, but it was SPLIT by the CNA even though Calligra and KOffice share the same codebase.","status":"published","published":"2022-05-17T01:43:59Z","modified":"2023-02-03T05:05:23Z","cwes":["CWE-119"],"updated_at":"2026-11-02T14:53:43.901857Z"}],"nvd":[{"id":"CVE-2012-3456","description":"Heap-based buffer overflow in the read function in filters/words/msword-odf/wv2/src/styles.cpp in the Microsoft import filter in Calligra 2.4.3 and earlier allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a crafted ODF style in an ODF document.  NOTE: this is the same vulnerability as CVE-2012-3455, but it was SPLIT by the CNA even though Calligra and KOffice share the same codebase.","status":"published","published":"2012-08-20T18:55:03.81Z","modified":"2026-06-16T23:43:15.483Z","cvss":[{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:02:15.188652Z"}],"osv":[{"id":"CVE-2012-3456","description":"Heap-based buffer overflow in the read function in filters/words/msword-odf/wv2/src/styles.cpp in the Microsoft import filter in Calligra 2.4.3 and earlier allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a crafted ODF style in an ODF document.  NOTE: this is the same vulnerability as CVE-2012-3455, but it was SPLIT by the CNA even though Calligra and KOffice share the same codebase.","status":"published","published":"2012-08-20T18:55:03Z","modified":"2026-04-10T03:42:25.402046Z","updated_at":"2026-11-02T15:43:58.537032Z"},{"id":"DEBIAN-CVE-2012-3456","description":"Heap-based buffer overflow in the read function in filters/words/msword-odf/wv2/src/styles.cpp in the Microsoft import filter in Calligra 2.4.3 and earlier allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a crafted ODF style in an ODF document.  NOTE: this is the same vulnerability as CVE-2012-3455, but it was SPLIT by the CNA even though Calligra and KOffice share the same codebase.","status":"published","published":"2012-08-20T18:55:03.81Z","modified":"2026-10-23T17:47:25.095487144Z","updated_at":"2026-11-02T15:45:24.92418Z"}]}}