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01 Record

CVE-2012-4217

Use-after-free vulnerability in the nsViewManager::ProcessPendingUpdates function in Mozilla Firefox before 17.0, Thunderbird before 17.0, and SeaMonkey before 2.14 allows remote attackers to execute

UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector
View raw JSON

02 Description

Use-after-free vulnerability in the nsViewManager::ProcessPendingUpdates function in Mozilla Firefox before 17.0, Thunderbird before 17.0, and SeaMonkey before 2.14 allows remote attackers to execute

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
6.15% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 93.3% of scored records. A rank, not a probability.
NVD base score
The NVD has published no score for this record
NVD CVSS vector
No NVD score to derive
NVD analysis status
Modified. NVD last modified this record on 2026-06-16.
Red Hat severity
Critical. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2012-11-21 11:00Z13 YR AGO
Last updated
2024-08-06 20:28Z2 YR AGO
Reserved
2012-08-08
Assigning CNA
mitre
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
Data version
5.1
Document digest
4a7bbe28bc78da801f841d68de3db211aaf82d38ac0fa8fa794497476742ecc8

05 Affected products

VendorProductVersionsPlatforms
canonicalubuntu_linuxNot specified—
mozillafirefoxNot specified—
mozillaseamonkeyNot specified—
mozillathunderbirdNot specified—
mozillathunderbird_esrNot specified—
opensuseopensuseNot specified—
redhatenterprise_linuxNot specified—
suselinux_enterprise_desktopNot specified—
suselinux_enterprise_serverNot specified—
suselinux_enterprise_software_development_kitNot specified—

06 References