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CVE-2006-6505

Multiple heap-based buffer overflows in Mozilla Thunderbird before 1.5.0.9 and SeaMonkey before 1...

6.8 MediumFix available

CVE-2006-6505 is a medium vulnerability (CVSS 6.8) in Mozilla Seamonkey, published December 20, 2006. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.35%, the 91st percentile. Fixed in mozilla 2:1.7.8-1sarge10.

Multiple heap-based buffer overflows in Mozilla Thunderbird before 1.5.0.9 and SeaMonkey before 1.0.7 allow remote attackers to execute arbitrary code via (1) external message modies with long Content-Type headers or (2) long RFC2047-encoded (MIME non-ASCII) headers.

Exploit likelihood

4.35%Down 5.6 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 6.8

Multiple heap-based buffer overflows in Mozilla Thunderbird before 1.5.0.9 and SeaMonkey before 1.0.7 allow remote attackers to execute arbitrary code via (1) external message modies with long Content-Type headers or (2) long RFC2047-encoded (MIME non-ASCII) headers.

Record
CVE-2006-6505
CVSS 2.0
6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Updated
2026-11-02
CVE List No score

Multiple heap-based buffer overflows in Mozilla Thunderbird before 1.5.0.9 and SeaMonkey before 1.0.7 allow remote attackers to execute arbitrary code via (1) external message modies with long Content-Type headers or (2) long RFC2047-encoded (MIME non-ASCII) headers.

Record
CVE-2006-6505
Updated
2026-11-02
EUVDEUVD-2006-6488 No score

Multiple heap-based buffer overflows in Mozilla Thunderbird before 1.5.0.9 and SeaMonkey before 1.0.7 allow remote attackers to execute arbitrary code via (1) external message modies with long Content-Type headers or (2) long RFC2047-encoded (MIME non-ASCII) headers.

Record
EUVD-2006-6488
Updated
2026-11-03
GitHub AdvisoriesGHSA-5v4r-m243-rv3w No score

Multiple heap-based buffer overflows in Mozilla Thunderbird before 1.5.0.9 and SeaMonkey before 1...

Multiple heap-based buffer overflows in Mozilla Thunderbird before 1.5.0.9 and SeaMonkey before 1.0.7 allow remote attackers to execute arbitrary code via (1) external message modies with long Content-Type headers or (2) long RFC2047-encoded (MIME non-ASCII) headers.

Record
GHSA-5v4r-m243-rv3w
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
mozilla
Debian:3.1
before 2:1.7.8-1sarge10, plus listed versions
2:1.7.8-12:1.7.8-1sarge12:1.7.8-1sarge22:1.7.8-1sarge32:1.7.8-1sarge5
Show 8 moreShow less
2:1.7.8-1sarge62:1.7.8-1sarge72:1.7.8-1sarge7.12:1.7.8-1sarge7.2.12:1.7.8-1sarge7.2.22:1.7.8-1sarge7.3.12:1.7.8-1sarge82:1.7.8-1sarge9
2:1.7.8-1sarge10
seamonkey
Red Hat:enterprise_linux:2.1::as
before 0:1.0.7-0.1.el2
0:1.0.7-0.1.el2
seamonkey-chat
Red Hat:enterprise_linux:2.1::as
before 0:1.0.7-0.1.el2
0:1.0.7-0.1.el2
seamonkey-devel
Red Hat:enterprise_linux:2.1::as
before 0:1.0.7-0.1.el2
0:1.0.7-0.1.el2
seamonkey-dom-inspector
Red Hat:enterprise_linux:2.1::as
before 0:1.0.7-0.1.el2
0:1.0.7-0.1.el2
seamonkey-js-debugger
Red Hat:enterprise_linux:2.1::as
before 0:1.0.7-0.1.el2
0:1.0.7-0.1.el2
seamonkey-mail
Red Hat:enterprise_linux:2.1::as
before 0:1.0.7-0.1.el2
0:1.0.7-0.1.el2
seamonkey-nspr
Red Hat:enterprise_linux:2.1::as
before 0:1.0.7-0.1.el2
0:1.0.7-0.1.el2
seamonkey-nspr-devel
Red Hat:enterprise_linux:2.1::as
before 0:1.0.7-0.1.el2
0:1.0.7-0.1.el2
seamonkey-nss
Red Hat:enterprise_linux:2.1::as
before 0:1.0.7-0.1.el2
0:1.0.7-0.1.el2
Show 123 moreShow less
Affected packages
PackageAffectedFixed
seamonkey-nss-devel
Red Hat:enterprise_linux:2.1::as
before 0:1.0.7-0.1.el2
0:1.0.7-0.1.el2
seamonkey
Red Hat:enterprise_linux:2.1::aw
before 0:1.0.7-0.1.el2
0:1.0.7-0.1.el2
seamonkey-chat
Red Hat:enterprise_linux:2.1::aw
before 0:1.0.7-0.1.el2
0:1.0.7-0.1.el2
seamonkey-devel
Red Hat:enterprise_linux:2.1::aw
before 0:1.0.7-0.1.el2
0:1.0.7-0.1.el2
seamonkey-dom-inspector
Red Hat:enterprise_linux:2.1::aw
before 0:1.0.7-0.1.el2
0:1.0.7-0.1.el2
seamonkey-js-debugger
Red Hat:enterprise_linux:2.1::aw
before 0:1.0.7-0.1.el2
0:1.0.7-0.1.el2
seamonkey-mail
Red Hat:enterprise_linux:2.1::aw
before 0:1.0.7-0.1.el2
0:1.0.7-0.1.el2
seamonkey-nspr
Red Hat:enterprise_linux:2.1::aw
before 0:1.0.7-0.1.el2
0:1.0.7-0.1.el2
seamonkey-nspr-devel
Red Hat:enterprise_linux:2.1::aw
before 0:1.0.7-0.1.el2
0:1.0.7-0.1.el2
seamonkey-nss
Red Hat:enterprise_linux:2.1::aw
before 0:1.0.7-0.1.el2
0:1.0.7-0.1.el2
seamonkey-nss-devel
Red Hat:enterprise_linux:2.1::aw
before 0:1.0.7-0.1.el2
0:1.0.7-0.1.el2
seamonkey
Red Hat:enterprise_linux:2.1::es
before 0:1.0.7-0.1.el2
0:1.0.7-0.1.el2
seamonkey-chat
Red Hat:enterprise_linux:2.1::es
before 0:1.0.7-0.1.el2
0:1.0.7-0.1.el2
seamonkey-devel
Red Hat:enterprise_linux:2.1::es
before 0:1.0.7-0.1.el2
0:1.0.7-0.1.el2
seamonkey-dom-inspector
Red Hat:enterprise_linux:2.1::es
before 0:1.0.7-0.1.el2
0:1.0.7-0.1.el2
seamonkey-js-debugger
Red Hat:enterprise_linux:2.1::es
before 0:1.0.7-0.1.el2
0:1.0.7-0.1.el2
seamonkey-mail
Red Hat:enterprise_linux:2.1::es
before 0:1.0.7-0.1.el2
0:1.0.7-0.1.el2
seamonkey-nspr
Red Hat:enterprise_linux:2.1::es
before 0:1.0.7-0.1.el2
0:1.0.7-0.1.el2
seamonkey-nspr-devel
Red Hat:enterprise_linux:2.1::es
before 0:1.0.7-0.1.el2
0:1.0.7-0.1.el2
seamonkey-nss
Red Hat:enterprise_linux:2.1::es
before 0:1.0.7-0.1.el2
0:1.0.7-0.1.el2
seamonkey-nss-devel
Red Hat:enterprise_linux:2.1::es
before 0:1.0.7-0.1.el2
0:1.0.7-0.1.el2
seamonkey
Red Hat:enterprise_linux:2.1::ws
before 0:1.0.7-0.1.el2
0:1.0.7-0.1.el2
seamonkey-chat
Red Hat:enterprise_linux:2.1::ws
before 0:1.0.7-0.1.el2
0:1.0.7-0.1.el2
seamonkey-devel
Red Hat:enterprise_linux:2.1::ws
before 0:1.0.7-0.1.el2
0:1.0.7-0.1.el2
seamonkey-dom-inspector
Red Hat:enterprise_linux:2.1::ws
before 0:1.0.7-0.1.el2
0:1.0.7-0.1.el2
seamonkey-js-debugger
Red Hat:enterprise_linux:2.1::ws
before 0:1.0.7-0.1.el2
0:1.0.7-0.1.el2
seamonkey-mail
Red Hat:enterprise_linux:2.1::ws
before 0:1.0.7-0.1.el2
0:1.0.7-0.1.el2
seamonkey-nspr
Red Hat:enterprise_linux:2.1::ws
before 0:1.0.7-0.1.el2
0:1.0.7-0.1.el2
seamonkey-nspr-devel
Red Hat:enterprise_linux:2.1::ws
before 0:1.0.7-0.1.el2
0:1.0.7-0.1.el2
seamonkey-nss
Red Hat:enterprise_linux:2.1::ws
before 0:1.0.7-0.1.el2
0:1.0.7-0.1.el2
seamonkey-nss-devel
Red Hat:enterprise_linux:2.1::ws
before 0:1.0.7-0.1.el2
0:1.0.7-0.1.el2
seamonkey
Red Hat:enterprise_linux:3::as
before 0:1.0.7-0.1.el3
0:1.0.7-0.1.el3
seamonkey-chat
Red Hat:enterprise_linux:3::as
before 0:1.0.7-0.1.el3
0:1.0.7-0.1.el3
seamonkey-debuginfo
Red Hat:enterprise_linux:3::as
before 0:1.0.7-0.1.el3
0:1.0.7-0.1.el3
seamonkey-devel
Red Hat:enterprise_linux:3::as
before 0:1.0.7-0.1.el3
0:1.0.7-0.1.el3
seamonkey-dom-inspector
Red Hat:enterprise_linux:3::as
before 0:1.0.7-0.1.el3
0:1.0.7-0.1.el3
seamonkey-js-debugger
Red Hat:enterprise_linux:3::as
before 0:1.0.7-0.1.el3
0:1.0.7-0.1.el3
seamonkey-mail
Red Hat:enterprise_linux:3::as
before 0:1.0.7-0.1.el3
0:1.0.7-0.1.el3
seamonkey-nspr
Red Hat:enterprise_linux:3::as
before 0:1.0.7-0.1.el3
0:1.0.7-0.1.el3
seamonkey-nspr-devel
Red Hat:enterprise_linux:3::as
before 0:1.0.7-0.1.el3
0:1.0.7-0.1.el3
seamonkey-nss
Red Hat:enterprise_linux:3::as
before 0:1.0.7-0.1.el3
0:1.0.7-0.1.el3
seamonkey-nss-devel
Red Hat:enterprise_linux:3::as
before 0:1.0.7-0.1.el3
0:1.0.7-0.1.el3
seamonkey
Red Hat:enterprise_linux:3::desktop
before 0:1.0.7-0.1.el3
0:1.0.7-0.1.el3
seamonkey-chat
Red Hat:enterprise_linux:3::desktop
before 0:1.0.7-0.1.el3
0:1.0.7-0.1.el3
seamonkey-debuginfo
Red Hat:enterprise_linux:3::desktop
before 0:1.0.7-0.1.el3
0:1.0.7-0.1.el3
seamonkey-devel
Red Hat:enterprise_linux:3::desktop
before 0:1.0.7-0.1.el3
0:1.0.7-0.1.el3
seamonkey-dom-inspector
Red Hat:enterprise_linux:3::desktop
before 0:1.0.7-0.1.el3
0:1.0.7-0.1.el3
seamonkey-js-debugger
Red Hat:enterprise_linux:3::desktop
before 0:1.0.7-0.1.el3
0:1.0.7-0.1.el3
seamonkey-mail
Red Hat:enterprise_linux:3::desktop
before 0:1.0.7-0.1.el3
0:1.0.7-0.1.el3
seamonkey-nspr
Red Hat:enterprise_linux:3::desktop
before 0:1.0.7-0.1.el3
0:1.0.7-0.1.el3
seamonkey-nspr-devel
Red Hat:enterprise_linux:3::desktop
before 0:1.0.7-0.1.el3
0:1.0.7-0.1.el3
seamonkey-nss
Red Hat:enterprise_linux:3::desktop
before 0:1.0.7-0.1.el3
0:1.0.7-0.1.el3
seamonkey-nss-devel
Red Hat:enterprise_linux:3::desktop
before 0:1.0.7-0.1.el3
0:1.0.7-0.1.el3
seamonkey
Red Hat:enterprise_linux:3::es
before 0:1.0.7-0.1.el3
0:1.0.7-0.1.el3
seamonkey-chat
Red Hat:enterprise_linux:3::es
before 0:1.0.7-0.1.el3
0:1.0.7-0.1.el3
seamonkey-debuginfo
Red Hat:enterprise_linux:3::es
before 0:1.0.7-0.1.el3
0:1.0.7-0.1.el3
seamonkey-devel
Red Hat:enterprise_linux:3::es
before 0:1.0.7-0.1.el3
0:1.0.7-0.1.el3
seamonkey-dom-inspector
Red Hat:enterprise_linux:3::es
before 0:1.0.7-0.1.el3
0:1.0.7-0.1.el3
seamonkey-js-debugger
Red Hat:enterprise_linux:3::es
before 0:1.0.7-0.1.el3
0:1.0.7-0.1.el3
seamonkey-mail
Red Hat:enterprise_linux:3::es
before 0:1.0.7-0.1.el3
0:1.0.7-0.1.el3
seamonkey-nspr
Red Hat:enterprise_linux:3::es
before 0:1.0.7-0.1.el3
0:1.0.7-0.1.el3
seamonkey-nspr-devel
Red Hat:enterprise_linux:3::es
before 0:1.0.7-0.1.el3
0:1.0.7-0.1.el3
seamonkey-nss
Red Hat:enterprise_linux:3::es
before 0:1.0.7-0.1.el3
0:1.0.7-0.1.el3
seamonkey-nss-devel
Red Hat:enterprise_linux:3::es
before 0:1.0.7-0.1.el3
0:1.0.7-0.1.el3
seamonkey
Red Hat:enterprise_linux:3::ws
before 0:1.0.7-0.1.el3
0:1.0.7-0.1.el3
seamonkey-chat
Red Hat:enterprise_linux:3::ws
before 0:1.0.7-0.1.el3
0:1.0.7-0.1.el3
seamonkey-debuginfo
Red Hat:enterprise_linux:3::ws
before 0:1.0.7-0.1.el3
0:1.0.7-0.1.el3
seamonkey-devel
Red Hat:enterprise_linux:3::ws
before 0:1.0.7-0.1.el3
0:1.0.7-0.1.el3
seamonkey-dom-inspector
Red Hat:enterprise_linux:3::ws
before 0:1.0.7-0.1.el3
0:1.0.7-0.1.el3
seamonkey-js-debugger
Red Hat:enterprise_linux:3::ws
before 0:1.0.7-0.1.el3
0:1.0.7-0.1.el3
seamonkey-mail
Red Hat:enterprise_linux:3::ws
before 0:1.0.7-0.1.el3
0:1.0.7-0.1.el3
seamonkey-nspr
Red Hat:enterprise_linux:3::ws
before 0:1.0.7-0.1.el3
0:1.0.7-0.1.el3
seamonkey-nspr-devel
Red Hat:enterprise_linux:3::ws
before 0:1.0.7-0.1.el3
0:1.0.7-0.1.el3
seamonkey-nss
Red Hat:enterprise_linux:3::ws
before 0:1.0.7-0.1.el3
0:1.0.7-0.1.el3
seamonkey-nss-devel
Red Hat:enterprise_linux:3::ws
before 0:1.0.7-0.1.el3
0:1.0.7-0.1.el3
devhelp
Red Hat:enterprise_linux:4::as
before 0:0.10-0.6.el4
0:0.10-0.6.el4
devhelp-debuginfo
Red Hat:enterprise_linux:4::as
before 0:0.10-0.6.el4
0:0.10-0.6.el4
devhelp-devel
Red Hat:enterprise_linux:4::as
before 0:0.10-0.6.el4
0:0.10-0.6.el4
seamonkey
Red Hat:enterprise_linux:4::as
before 0:1.0.7-0.1.el4
0:1.0.7-0.1.el4
seamonkey-chat
Red Hat:enterprise_linux:4::as
before 0:1.0.7-0.1.el4
0:1.0.7-0.1.el4
seamonkey-debuginfo
Red Hat:enterprise_linux:4::as
before 0:1.0.7-0.1.el4
0:1.0.7-0.1.el4
seamonkey-devel
Red Hat:enterprise_linux:4::as
before 0:1.0.7-0.1.el4
0:1.0.7-0.1.el4
seamonkey-dom-inspector
Red Hat:enterprise_linux:4::as
before 0:1.0.7-0.1.el4
0:1.0.7-0.1.el4
seamonkey-js-debugger
Red Hat:enterprise_linux:4::as
before 0:1.0.7-0.1.el4
0:1.0.7-0.1.el4
seamonkey-mail
Red Hat:enterprise_linux:4::as
before 0:1.0.7-0.1.el4
0:1.0.7-0.1.el4
devhelp
Red Hat:enterprise_linux:4::desktop
before 0:0.10-0.6.el4
0:0.10-0.6.el4
devhelp-debuginfo
Red Hat:enterprise_linux:4::desktop
before 0:0.10-0.6.el4
0:0.10-0.6.el4
devhelp-devel
Red Hat:enterprise_linux:4::desktop
before 0:0.10-0.6.el4
0:0.10-0.6.el4
seamonkey
Red Hat:enterprise_linux:4::desktop
before 0:1.0.7-0.1.el4
0:1.0.7-0.1.el4
seamonkey-chat
Red Hat:enterprise_linux:4::desktop
before 0:1.0.7-0.1.el4
0:1.0.7-0.1.el4
seamonkey-debuginfo
Red Hat:enterprise_linux:4::desktop
before 0:1.0.7-0.1.el4
0:1.0.7-0.1.el4
seamonkey-devel
Red Hat:enterprise_linux:4::desktop
before 0:1.0.7-0.1.el4
0:1.0.7-0.1.el4
seamonkey-dom-inspector
Red Hat:enterprise_linux:4::desktop
before 0:1.0.7-0.1.el4
0:1.0.7-0.1.el4
seamonkey-js-debugger
Red Hat:enterprise_linux:4::desktop
before 0:1.0.7-0.1.el4
0:1.0.7-0.1.el4
seamonkey-mail
Red Hat:enterprise_linux:4::desktop
before 0:1.0.7-0.1.el4
0:1.0.7-0.1.el4
devhelp
Red Hat:enterprise_linux:4::es
before 0:0.10-0.6.el4
0:0.10-0.6.el4
devhelp-debuginfo
Red Hat:enterprise_linux:4::es
before 0:0.10-0.6.el4
0:0.10-0.6.el4
devhelp-devel
Red Hat:enterprise_linux:4::es
before 0:0.10-0.6.el4
0:0.10-0.6.el4
seamonkey
Red Hat:enterprise_linux:4::es
before 0:1.0.7-0.1.el4
0:1.0.7-0.1.el4
seamonkey-chat
Red Hat:enterprise_linux:4::es
before 0:1.0.7-0.1.el4
0:1.0.7-0.1.el4
seamonkey-debuginfo
Red Hat:enterprise_linux:4::es
before 0:1.0.7-0.1.el4
0:1.0.7-0.1.el4
seamonkey-devel
Red Hat:enterprise_linux:4::es
before 0:1.0.7-0.1.el4
0:1.0.7-0.1.el4
seamonkey-dom-inspector
Red Hat:enterprise_linux:4::es
before 0:1.0.7-0.1.el4
0:1.0.7-0.1.el4
seamonkey-js-debugger
Red Hat:enterprise_linux:4::es
before 0:1.0.7-0.1.el4
0:1.0.7-0.1.el4
seamonkey-mail
Red Hat:enterprise_linux:4::es
before 0:1.0.7-0.1.el4
0:1.0.7-0.1.el4
devhelp
Red Hat:enterprise_linux:4::ws
before 0:0.10-0.6.el4
0:0.10-0.6.el4
devhelp-debuginfo
Red Hat:enterprise_linux:4::ws
before 0:0.10-0.6.el4
0:0.10-0.6.el4
devhelp-devel
Red Hat:enterprise_linux:4::ws
before 0:0.10-0.6.el4
0:0.10-0.6.el4
seamonkey
Red Hat:enterprise_linux:4::ws
before 0:1.0.7-0.1.el4
0:1.0.7-0.1.el4
seamonkey-chat
Red Hat:enterprise_linux:4::ws
before 0:1.0.7-0.1.el4
0:1.0.7-0.1.el4
seamonkey-debuginfo
Red Hat:enterprise_linux:4::ws
before 0:1.0.7-0.1.el4
0:1.0.7-0.1.el4
seamonkey-devel
Red Hat:enterprise_linux:4::ws
before 0:1.0.7-0.1.el4
0:1.0.7-0.1.el4
seamonkey-dom-inspector
Red Hat:enterprise_linux:4::ws
before 0:1.0.7-0.1.el4
0:1.0.7-0.1.el4
seamonkey-js-debugger
Red Hat:enterprise_linux:4::ws
before 0:1.0.7-0.1.el4
0:1.0.7-0.1.el4
seamonkey-mail
Red Hat:enterprise_linux:4::ws
before 0:1.0.7-0.1.el4
0:1.0.7-0.1.el4
thunderbird
Red Hat:enterprise_linux:4::as
before 0:1.5.0.9-0.1.el4
0:1.5.0.9-0.1.el4
thunderbird-debuginfo
Red Hat:enterprise_linux:4::as
before 0:1.5.0.9-0.1.el4
0:1.5.0.9-0.1.el4
thunderbird
Red Hat:enterprise_linux:4::desktop
before 0:1.5.0.9-0.1.el4
0:1.5.0.9-0.1.el4
thunderbird-debuginfo
Red Hat:enterprise_linux:4::desktop
before 0:1.5.0.9-0.1.el4
0:1.5.0.9-0.1.el4
thunderbird
Red Hat:enterprise_linux:4::es
before 0:1.5.0.9-0.1.el4
0:1.5.0.9-0.1.el4
thunderbird-debuginfo
Red Hat:enterprise_linux:4::es
before 0:1.5.0.9-0.1.el4
0:1.5.0.9-0.1.el4
thunderbird
Red Hat:enterprise_linux:4::ws
before 0:1.5.0.9-0.1.el4
0:1.5.0.9-0.1.el4
thunderbird-debuginfo
Red Hat:enterprise_linux:4::ws
before 0:1.5.0.9-0.1.el4
0:1.5.0.9-0.1.el4

History

History
WhenChangedSources
2026-11-03aliasesEUVD
2026-11-02createdCVE List, GitHub Advisories, NVD, OSV

References

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