CVE-2012-1149

Integer overflow in the vclmi.dll module in OpenOffice.org (OOo) 3.3, 3.4 Beta, and possibly earlier, and LibreOffice before 3.5.3, allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a crafted embedded image object, as demonstrated by a JPEG image in a .DOC file, which triggers a heap-based buffer overflow.

Published: 2012-06-21 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2012-1149 is rated High Risk (68.6/100): CVSS High severity, with high exploitation likelihood (EPSS 13.73%, 96th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +12.54% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2012-1149

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 1.19% 13.73% +12.54%
2 2025-12-14 3.76% 1.19% -2.57%
3 2025-12-05 3.76%

Full EPSS history (18 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-1149

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 6.4 [email protected]

Weakness enumeration for CVE-2012-1149

OS Trackers for CVE-2012-1149

vendor priority summary link
debian not yet assigned CVE-2012-1149 not yet assigned priority: Debian including 1 source packages (libreoffice), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2012-1149
gentoo normal CVE-2012-1149: 2 GLSA(s) (201209-05, 201408-19), 4 atom(s) (app-office/libreoffice, app-office/libreoffice-bin, app-office/openoffice, app-office/openoffice-bin); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2012-1149
redhat high https://access.redhat.com/security/cve/CVE-2012-1149
ubuntu medium CVE-2012-1149 medium priority: Ubuntu including 2 source packages (libreoffice, openoffice.org), 12 status rows across 6 suites (hardy, lucid, natty, oneiric, precise, upstream): not-affected 4, released 4, DNE 2, ignored 1, needs-triage 1. https://ubuntu.com/security/CVE-2012-1149

Affected software / configurations for CVE-2012-1149

Vendor Product Version Raw CPE
libreoffice libreoffice <= 3.5.2 cpe:2.3:a:libreoffice:libreoffice:*:*:*:*:*:*:*:*
debian debian_linux 6.0 cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:*
debian debian_linux 7.0 cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
redhat enterprise_linux 5.0 cpe:2.3:o:redhat:enterprise_linux:5.0:*:*:*:*:*:*:*
redhat enterprise_linux_desktop 5.0 cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:*
redhat enterprise_linux_desktop 6.0 cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
redhat enterprise_linux_server 6.0 cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
redhat enterprise_linux_server_aus 6.2 cpe:2.3:o:redhat:enterprise_linux_server_aus:6.2:*:*:*:*:*:*:*
redhat enterprise_linux_server_eus 6.2.z cpe:2.3:o:redhat:enterprise_linux_server_eus:6.2.z:*:*:*:*:*:*:*
redhat enterprise_linux_workstation 6.0 cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*
apache openoffice.org 3.3.0 cpe:2.3:a:apache:openoffice.org:3.3.0:*:*:*:*:*:*:*
apache openoffice.org 3.4 cpe:2.3:a:apache:openoffice.org:3.4:beta:*:*:*:*:*:*
fedoraproject fedora 15 cpe:2.3:o:fedoraproject:fedora:15:*:*:*:*:*:*:*
fedoraproject fedora 16 cpe:2.3:o:fedoraproject:fedora:16:*:*:*:*:*:*:*

References for CVE-2012-1149

URL Tags
http://archives.neohapsis.com/archives/bugtraq/2012-05/0089.html Broken Link
http://lists.fedoraproject.org/pipermail/package-announce/2012-June/082168.html Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2012-May/081319.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2012-0705.html Third Party Advisory
http://secunia.com/advisories/46992
http://secunia.com/advisories/47244
http://secunia.com/advisories/49140
http://secunia.com/advisories/49373
http://secunia.com/advisories/49392 Vendor Advisory
http://secunia.com/advisories/50692
http://secunia.com/advisories/60799
http://security.gentoo.org/glsa/glsa-201209-05.xml Third Party Advisory
http://securitytracker.com/id?1027068 Patch Third Party Advisory VDB Entry
http://www.debian.org/security/2012/dsa-2473 Third Party Advisory
http://www.debian.org/security/2012/dsa-2487 Third Party Advisory
http://www.gentoo.org/security/en/glsa/glsa-201408-19.xml Third Party Advisory
http://www.libreoffice.org/advisories/cve-2012-1149/ Vendor Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2012:090 Broken Link
http://www.mandriva.com/security/advisories?name=MDVSA-2012:091 Broken Link
http://www.openoffice.org/security/cves/CVE-2012-1149.html Third Party Advisory
http://www.osvdb.org/81988 Broken Link
http://www.securityfocus.com/bid/53570 Third Party Advisory VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/75692
cvelogic Threat Intelligence