CVE-2011-3659Firefox Use-After-Free
Mozilla: child nodes from nsDOMAttribute still accessible after removal of nodes (MFSA 2012-04)
Published Jan 31, 2012 · Updated Aug 6, 2024
Key Facts
Patch immediately- CVE-2011-3659 is a critical-severity vulnerability (CVSS 9.3 v2) affecting Firefox (Mozilla), Seamonkey (Mozilla), Thunderbird (Mozilla) and 22 more products.
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 37% probability of exploitation in the next 30 days.
- Fixed versions are available, including Firefox 0:3.6.26-1.el5_7, Firefox 0:3.6.26-1.el6_2, Firefox 0:3.6.26-2.el4.
- Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Scores
CVSS v2
9.3
AV:N/AC:M/Au:N/C:C/I:C/A:C
EPSS (30-day exploit likelihood)
37%
Higher than 98.4% of all scored CVEs
Exploit maturity
Weaponized
ATLAS score
62/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Not listed
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Weaponized
Public exploit code
2
Proof-of-concept links
In-the-wild evidence
0
Reports of active use
Advisories And Exploit References
- advisorySUSE-SU-2012:0198
- advisorySUSE-SU-2012:0221
- advisoryopenSUSE-SU-2012:0234
- advisoryRHSA-2012:0079
- advisoryRHSA-2012:0080
- advisoryoval:org.mitre.oval:def:14697
Description
Use-after-free vulnerability in Mozilla Firefox before 3.6.26 and 4.x through 9.0, Thunderbird before 3.1.18 and 5.0 through 9.0, and SeaMonkey before 2.7 might allow remote attackers to execute arbitrary code via vectors related to incorrect AttributeChildRemoved notifications that affect access to removed nsDOMAttribute child nodes.
Affected Products
44 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| FirefoxMozilla | See advisory | 3.6.26 |
| SeamonkeyMozilla | See advisory | 2.7 |
| ThunderbirdMozilla | See advisory | 3.1.18 |
| OpensuseOpensuse | 11.4 | n/a |
| Linux Enterprise DesktopSuse | 10-sp4, 11-sp1 | n/a |
Patched Releases
Firefox
0:3.6.26-1.el5_7, 0:3.6.26-1.el6_2, 0:3.6.26-2.el4, 3.6.26-1.0.1.el5_7, 3.6.26-1.0.1.el6_2, 3.6.26
firefox-esr
128.5.1-1.1
firefox-esr-branding-upstream
128.5.1-1.1
firefox-esr-translations-common
128.5.1-1.1
firefox-esr-translations-other
128.5.1-1.1
Seamonkey
2.7, 2.40-6.1
Thunderbird
3.1.18, 0:3.1.18-1.el6_2, 3.1.18-1.0.1.el6_2
MozillaFirefox
50.1.0-1.1
MozillaFirefox-branding-upstream
50.1.0-1.1
MozillaFirefox-buildsymbols
50.1.0-1.1
MozillaFirefox-devel
50.1.0-1.1
MozillaFirefox-translations-common
50.1.0-1.1
MozillaFirefox-translations-other
50.1.0-1.1
MozillaThunderbird
45.5.1-1.1
MozillaThunderbird-buildsymbols
45.5.1-1.1
MozillaThunderbird-devel
45.5.1-1.1
MozillaThunderbird-translations-common
45.5.1-1.1
MozillaThunderbird-translations-other
45.5.1-1.1
seamonkey-dom-inspector
2.40-6.1
seamonkey-irc
2.40-6.1
seamonkey-translations-common
2.40-6.1
seamonkey-translations-other
2.40-6.1
xulrunner
0:1.9.2.26-1.el5_7, 0:1.9.2.26-1.el6_2, 1.9.2.26-1.0.1.el5_7, 1.9.2.26-1.0.1.el6_2
xulrunner-devel
1.9.2.26-1.0.1.el5_7, 1.9.2.26-1.0.1.el6_2
Timeline
Publicly disclosed
Jan 31, 2012
Last updated
Aug 6, 2024
Weakness Type
- CWE-416 Use After Free
References
- advisorySUSE-SU-2012:0198
- advisorySUSE-SU-2012:0221
- advisoryopenSUSE-SU-2012:0234
- advisoryRHSA-2012:0079
- advisoryRHSA-2012:0080
FAQ
Common Questions.
Use-after-free vulnerability in Mozilla Firefox before 3.6.26 and 4.x through 9.0, Thunderbird before 3.1.18 and 5.0 through 9.0, and SeaMonkey before 2.7 might allow remote attackers to execute arbitrary code via vectors related to incorrect AttributeChildRemoved notifications that affect access to removed nsDOMAttri…
Affected: Firefox (Mozilla); Seamonkey (Mozilla); Thunderbird (Mozilla), among others. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Firefox 0:3.6.26-1.el5_7, Firefox 0:3.6.26-1.el6_2, Firefox 0:3.6.26-2.el4.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
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