CVE-2012-1947

Home/CVE/Heap-based buffer overflow in the utf16_to_isolatin1 function in Mozilla Firefox 4.x through 12.0, Firefox ESR 10.x befo

CVE

Heap-based buffer overflow in the utf16_to_isolatin1 function in Mozilla Firefox 4.x through 12.0, Firefox ESR 10.x befo

Heap-based buffer overflow in the utf16_to_isolatin1 function in Mozilla Firefox 4.x through 12.0, Firefox ESR 10.x before 10.0.5, Thunderbird 5.0 through 12.0, Thunderbird ESR 10.x before 10.0.5, and SeaMonkey before 2.10 allows remote attackers to execute arbitrary code via vectors that trigger a character-set conversion failure.

HIGH · CVSS 9.3 EPSS 0.06784

Schedule remediation

EPSS percentile: top 9% of all CVEs by exploitation likelihood
CVSS base score ≥ 7.0

Sigma rules1 YARA rules0

⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer

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Affected Products & Versions

mozilla firefoxall versions
mozilla seamonkey<= 2.9
mozilla seamonkeyall versions

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Sigma Hunt Rules

Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.

producthighSQLite Firefox Profile Data DB Access

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Scoring & Timeline

9.3

HIGH · CVSS v2 (legacy) · cve@mitre.org

View on NVD

This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.

v2 Vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

Published to NVD05 Jun 2012 · 11:55 PM

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Vendor Advisories

suse-csafopenSUSE-SU-2024:14572-1
suse-csafopenSUSE-SU-2024:10071-1
suse-csafopenSUSE-SU-2024:10218-1
suse-csafopenSUSE-SU-2024:10230-1
usnUSN-1463-6
Show all 10 vendor advisoriesusnUSN-1463-4
usnUSN-1463-1
rhsaRHSA-2012:0715Critical
rhsaRHSA-2012:0710Critical
mozilla-mfsaMFSA2012-40

🔗

References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

http://lists.opensuse.org/opensuse-security-announce/2012-06/msg00012.html

http://lists.opensuse.org/opensuse-security-announce/2012-06/msg00015.html

http://rhn.redhat.com/errata/RHSA-2012-0710.html

http://rhn.redhat.com/errata/RHSA-2012-0715.html

http://www.debian.org/security/2012/dsa-2488

http://www.debian.org/security/2012/dsa-2489

Show all 10 references

http://www.mandriva.com/security/advisories?name=MDVSA-2012:088

http://www.mozilla.org/security/announce/2012/mfsa2012-40.htmlVendor Advisory

https://bugzilla.mozilla.org/show_bug.cgi?id=744541

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16911

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