CVE-2009-1313

The nsTextFrame::ClearTextRun function in layout/generic/nsTextFrameThebes.cpp in Mozilla Firefox 3.0.9 allows remote attackers to cause a denial of service…

published April 30, 2009

CVSS
—
EPSS
8%
Percentile
95.0
In the wild
Unconfirmed
What it is

⚠️ An incorrect fix from CVE-2009-1302 leaves Firefox 3.0.9 open to a sneaky memory corruption! Imagine a library where the staff keeps trying to shelve the same misplaced book, causing chaos every time someone tries to read. 📚 This vulnerability is like a library that hires new staff but never trains them properly. Each attempt to fix the shelving leads to more books misfiled, causing total confusion when patrons come to check out their favorites. In the worst case, this could result in a denial of service, where users can't access the browser at all. Even more alarmingly, if exploited, it could become a pathway for an attacker to run arbitrary code, potentially leading to takeovers of user systems. 😱

Put simply

This vulnerability is like a library that hires new staff but never trains them properly. Each attempt to fix the shelving leads to more books misfiled, causing total confusion when patrons come to check out their favorites. The nsTextFrame::ClearTextRun function has a flaw due to memory corruption, allowing remote attackers to disrupt Firefox 3.0.9 functionality. The incorrect implementation of a prior fix exacerbates the issue.

What to do

In the worst case, this could result in a denial of service, where users can't access the browser at all. Even more alarmingly, if exploited, it could become a pathway for an attacker to run arbitrary code, potentially leading to takeovers of user systems. 😱 As Firefox 3.0.9 is vulnerable, users should upgrade to the latest stable release immediately to ensure protection against this bug. Regularly check for updates, and consider implementing robust security practices while browsing. You've got this! Stay vigilant and keep your browser updated for a smoother and safer online experience. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.08387 · 95.0th percentile
Published
2009-04-30T21:00Z
EPSS history
Timeline
  • 30 APR 21:00Z
    The nsTextFrame::ClearTextRun function in layout/generic/nsTextFrameThebes.cpp in Mozilla Firefox 3.0.9 allows remote attackers to cause a denial of service…
    cvelistv5