CVE-2008-5510
The CSS parser in Mozilla Firefox 3.x before 3.0.5 and 2.x before 2.0.0.19, Thunderbird 2.x...
5.0 Medium
The CSS parser in Mozilla Firefox 3.x before 3.0.5 and 2.x before 2.0.0.19, Thunderbird 2.x before 2.0.0.19, and SeaMonkey 1.x before 1.1.14 ignores the '\0' escaped null character, which might allow remote attackers to bypass protection mechanisms such as sanitization routines.
Exploit likelihood
2.21%Down 2.1 points since Feb 4, 2022
What each source reports
NVD Score used
The CSS parser in Mozilla Firefox 3.x before 3.0.5 and 2.x before 2.0.0.19, Thunderbird 2.x before 2.0.0.19, and SeaMonkey 1.x before 1.1.14 ignores the '\0' escaped null character, which might allow remote attackers to bypass protection mechanisms such as sanitization routines.
- Record
CVE-2008-5510- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:P/A:N - Updated
- 2026-11-02
CVE List No score
The CSS parser in Mozilla Firefox 3.x before 3.0.5 and 2.x before 2.0.0.19, Thunderbird 2.x before 2.0.0.19, and SeaMonkey 1.x before 1.1.14 ignores the '\0' escaped null character, which might allow remote attackers to bypass protection mechanisms such as sanitization routines.
- Record
CVE-2008-5510- Updated
- 2026-11-02
EUVDEUVD-2008-5487 No score
The CSS parser in Mozilla Firefox 3.x before 3.0.5 and 2.x before 2.0.0.19, Thunderbird 2.x before 2.0.0.19, and SeaMonkey 1.x before 1.1.14 ignores the '\0' escaped null character, which might allow remote attackers to bypass protection mechanisms such as sanitization routines.
- Record
EUVD-2008-5487- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-h25j-67c9-vc8j No score
The CSS parser in Mozilla Firefox 3.x before 3.0.5 and 2.x before 2.0.0.19, Thunderbird 2.x...
The CSS parser in Mozilla Firefox 3.x before 3.0.5 and 2.x before 2.0.0.19, Thunderbird 2.x before 2.0.0.19, and SeaMonkey 1.x before 1.1.14 ignores the '\0' escaped null character, which might allow remote attackers to bypass protection mechanisms such as sanitization routines.
- Record
GHSA-h25j-67c9-vc8j- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:10601-1 No score
MozillaThunderbird-91.1.1-1.1 on GA media
These are all security issues fixed in the MozillaThunderbird-91.1.1-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:10601-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
iceweaselDebian:4.0 From an advisory covering 11 CVEs |
before 2.0.0.19-0etch1, plus listed versions 2.0.0.10-0etch12.0.0.10-12.0.0.10-22.0.0.11-12.0.0.12-0etch1 Show 28 moreShow less2.0.0.12-12.0.0.12-22.0.0.13-0etch12.0.0.13-12.0.0.14-0etch12.0.0.14-12.0.0.14-22.0.0.15-0etch12.0.0.16-0etch12.0.0.17-0etch12.0.0.18-0etch12.0.0.3-12.0.0.3-22.0.0.4-0etch12.0.0.4-12.0.0.5-0etch12.0.0.5-0etch1+lenny12.0.0.5-12.0.0.5-22.0.0.6+2.0.0.8-0etch12.0.0.6-0etch12.0.0.6-0etch1+lenny12.0.0.6-12.0.0.7-12.0.0.7-22.0.0.8-12.0.0.9-12.0.0.9-2 |
2.0.0.19-0etch1 |
firefoxRed Hat:enterprise_linux:4::as From an advisory covering 11 CVEs |
before 0:3.0.5-1.el4 | 0:3.0.5-1.el4 |
firefox-debuginfoRed Hat:enterprise_linux:4::as From an advisory covering 11 CVEs |
before 0:3.0.5-1.el4 | 0:3.0.5-1.el4 |
nsprRed Hat:enterprise_linux:4::as From an advisory covering 11 CVEs |
before 0:4.7.3-1.el4 | 0:4.7.3-1.el4 |
nspr-debuginfoRed Hat:enterprise_linux:4::as From an advisory covering 11 CVEs |
before 0:4.7.3-1.el4 | 0:4.7.3-1.el4 |
nspr-develRed Hat:enterprise_linux:4::as From an advisory covering 11 CVEs |
before 0:4.7.3-1.el4 | 0:4.7.3-1.el4 |
nssRed Hat:enterprise_linux:4::as From an advisory covering 11 CVEs |
before 0:3.12.2.0-1.el4 | 0:3.12.2.0-1.el4 |
nss-debuginfoRed Hat:enterprise_linux:4::as From an advisory covering 11 CVEs |
before 0:3.12.2.0-1.el4 | 0:3.12.2.0-1.el4 |
nss-develRed Hat:enterprise_linux:4::as From an advisory covering 11 CVEs |
before 0:3.12.2.0-1.el4 | 0:3.12.2.0-1.el4 |
firefoxRed Hat:enterprise_linux:4::desktop From an advisory covering 11 CVEs |
before 0:3.0.5-1.el4 | 0:3.0.5-1.el4 |
Show 58 moreShow less
| Package | Affected | Fixed |
|---|---|---|
firefox-debuginfoRed Hat:enterprise_linux:4::desktop From an advisory covering 11 CVEs |
before 0:3.0.5-1.el4 | 0:3.0.5-1.el4 |
nsprRed Hat:enterprise_linux:4::desktop From an advisory covering 11 CVEs |
before 0:4.7.3-1.el4 | 0:4.7.3-1.el4 |
nspr-debuginfoRed Hat:enterprise_linux:4::desktop From an advisory covering 11 CVEs |
before 0:4.7.3-1.el4 | 0:4.7.3-1.el4 |
nspr-develRed Hat:enterprise_linux:4::desktop From an advisory covering 11 CVEs |
before 0:4.7.3-1.el4 | 0:4.7.3-1.el4 |
nssRed Hat:enterprise_linux:4::desktop From an advisory covering 11 CVEs |
before 0:3.12.2.0-1.el4 | 0:3.12.2.0-1.el4 |
nss-debuginfoRed Hat:enterprise_linux:4::desktop From an advisory covering 11 CVEs |
before 0:3.12.2.0-1.el4 | 0:3.12.2.0-1.el4 |
nss-develRed Hat:enterprise_linux:4::desktop From an advisory covering 11 CVEs |
before 0:3.12.2.0-1.el4 | 0:3.12.2.0-1.el4 |
firefoxRed Hat:enterprise_linux:4::es From an advisory covering 11 CVEs |
before 0:3.0.5-1.el4 | 0:3.0.5-1.el4 |
firefox-debuginfoRed Hat:enterprise_linux:4::es From an advisory covering 11 CVEs |
before 0:3.0.5-1.el4 | 0:3.0.5-1.el4 |
nsprRed Hat:enterprise_linux:4::es From an advisory covering 11 CVEs |
before 0:4.7.3-1.el4 | 0:4.7.3-1.el4 |
nspr-debuginfoRed Hat:enterprise_linux:4::es From an advisory covering 11 CVEs |
before 0:4.7.3-1.el4 | 0:4.7.3-1.el4 |
nspr-develRed Hat:enterprise_linux:4::es From an advisory covering 11 CVEs |
before 0:4.7.3-1.el4 | 0:4.7.3-1.el4 |
nssRed Hat:enterprise_linux:4::es From an advisory covering 11 CVEs |
before 0:3.12.2.0-1.el4 | 0:3.12.2.0-1.el4 |
nss-debuginfoRed Hat:enterprise_linux:4::es From an advisory covering 11 CVEs |
before 0:3.12.2.0-1.el4 | 0:3.12.2.0-1.el4 |
nss-develRed Hat:enterprise_linux:4::es From an advisory covering 11 CVEs |
before 0:3.12.2.0-1.el4 | 0:3.12.2.0-1.el4 |
firefoxRed Hat:enterprise_linux:4::ws From an advisory covering 11 CVEs |
before 0:3.0.5-1.el4 | 0:3.0.5-1.el4 |
firefox-debuginfoRed Hat:enterprise_linux:4::ws From an advisory covering 11 CVEs |
before 0:3.0.5-1.el4 | 0:3.0.5-1.el4 |
nsprRed Hat:enterprise_linux:4::ws From an advisory covering 11 CVEs |
before 0:4.7.3-1.el4 | 0:4.7.3-1.el4 |
nspr-debuginfoRed Hat:enterprise_linux:4::ws From an advisory covering 11 CVEs |
before 0:4.7.3-1.el4 | 0:4.7.3-1.el4 |
nspr-develRed Hat:enterprise_linux:4::ws From an advisory covering 11 CVEs |
before 0:4.7.3-1.el4 | 0:4.7.3-1.el4 |
nssRed Hat:enterprise_linux:4::ws From an advisory covering 11 CVEs |
before 0:3.12.2.0-1.el4 | 0:3.12.2.0-1.el4 |
nss-debuginfoRed Hat:enterprise_linux:4::ws From an advisory covering 11 CVEs |
before 0:3.12.2.0-1.el4 | 0:3.12.2.0-1.el4 |
nss-develRed Hat:enterprise_linux:4::ws From an advisory covering 11 CVEs |
before 0:3.12.2.0-1.el4 | 0:3.12.2.0-1.el4 |
nsprRed Hat:enterprise_linux:5::client_workstation From an advisory covering 11 CVEs |
before 0:4.7.3-2.el5 | 0:4.7.3-2.el5 |
nspr-debuginfoRed Hat:enterprise_linux:5::client_workstation From an advisory covering 11 CVEs |
before 0:4.7.3-2.el5 | 0:4.7.3-2.el5 |
nspr-develRed Hat:enterprise_linux:5::client_workstation From an advisory covering 11 CVEs |
before 0:4.7.3-2.el5 | 0:4.7.3-2.el5 |
nssRed Hat:enterprise_linux:5::client_workstation From an advisory covering 11 CVEs |
before 0:3.12.2.0-2.el5 | 0:3.12.2.0-2.el5 |
nss-debuginfoRed Hat:enterprise_linux:5::client_workstation From an advisory covering 11 CVEs |
before 0:3.12.2.0-2.el5 | 0:3.12.2.0-2.el5 |
nss-develRed Hat:enterprise_linux:5::client_workstation From an advisory covering 11 CVEs |
before 0:3.12.2.0-2.el5 | 0:3.12.2.0-2.el5 |
nss-pkcs11-develRed Hat:enterprise_linux:5::client_workstation From an advisory covering 11 CVEs |
before 0:3.12.2.0-2.el5 | 0:3.12.2.0-2.el5 |
xulrunnerRed Hat:enterprise_linux:5::client_workstation From an advisory covering 11 CVEs |
before 0:1.9.0.5-1.el5_2 | 0:1.9.0.5-1.el5_2 |
xulrunner-debuginfoRed Hat:enterprise_linux:5::client_workstation From an advisory covering 11 CVEs |
before 0:1.9.0.5-1.el5_2 | 0:1.9.0.5-1.el5_2 |
xulrunner-develRed Hat:enterprise_linux:5::client_workstation From an advisory covering 11 CVEs |
before 0:1.9.0.5-1.el5_2 | 0:1.9.0.5-1.el5_2 |
xulrunner-devel-unstableRed Hat:enterprise_linux:5::client_workstation From an advisory covering 11 CVEs |
before 0:1.9.0.5-1.el5_2 | 0:1.9.0.5-1.el5_2 |
firefoxRed Hat:enterprise_linux:5::client From an advisory covering 11 CVEs |
before 0:3.0.5-1.el5_2 | 0:3.0.5-1.el5_2 |
firefox-debuginfoRed Hat:enterprise_linux:5::client From an advisory covering 11 CVEs |
before 0:3.0.5-1.el5_2 | 0:3.0.5-1.el5_2 |
nsprRed Hat:enterprise_linux:5::client From an advisory covering 11 CVEs |
before 0:4.7.3-2.el5 | 0:4.7.3-2.el5 |
nspr-debuginfoRed Hat:enterprise_linux:5::client From an advisory covering 11 CVEs |
before 0:4.7.3-2.el5 | 0:4.7.3-2.el5 |
nssRed Hat:enterprise_linux:5::client From an advisory covering 11 CVEs |
before 0:3.12.2.0-2.el5 | 0:3.12.2.0-2.el5 |
nss-debuginfoRed Hat:enterprise_linux:5::client From an advisory covering 11 CVEs |
before 0:3.12.2.0-2.el5 | 0:3.12.2.0-2.el5 |
nss-toolsRed Hat:enterprise_linux:5::client From an advisory covering 11 CVEs |
before 0:3.12.2.0-2.el5 | 0:3.12.2.0-2.el5 |
xulrunnerRed Hat:enterprise_linux:5::client From an advisory covering 11 CVEs |
before 0:1.9.0.5-1.el5_2 | 0:1.9.0.5-1.el5_2 |
xulrunner-debuginfoRed Hat:enterprise_linux:5::client From an advisory covering 11 CVEs |
before 0:1.9.0.5-1.el5_2 | 0:1.9.0.5-1.el5_2 |
firefoxRed Hat:enterprise_linux:5::server From an advisory covering 11 CVEs |
before 0:3.0.5-1.el5_2 | 0:3.0.5-1.el5_2 |
firefox-debuginfoRed Hat:enterprise_linux:5::server From an advisory covering 11 CVEs |
before 0:3.0.5-1.el5_2 | 0:3.0.5-1.el5_2 |
nsprRed Hat:enterprise_linux:5::server From an advisory covering 11 CVEs |
before 0:4.7.3-2.el5 | 0:4.7.3-2.el5 |
nspr-debuginfoRed Hat:enterprise_linux:5::server From an advisory covering 11 CVEs |
before 0:4.7.3-2.el5 | 0:4.7.3-2.el5 |
nspr-develRed Hat:enterprise_linux:5::server From an advisory covering 11 CVEs |
before 0:4.7.3-2.el5 | 0:4.7.3-2.el5 |
nssRed Hat:enterprise_linux:5::server From an advisory covering 11 CVEs |
before 0:3.12.2.0-2.el5 | 0:3.12.2.0-2.el5 |
nss-debuginfoRed Hat:enterprise_linux:5::server From an advisory covering 11 CVEs |
before 0:3.12.2.0-2.el5 | 0:3.12.2.0-2.el5 |
nss-develRed Hat:enterprise_linux:5::server From an advisory covering 11 CVEs |
before 0:3.12.2.0-2.el5 | 0:3.12.2.0-2.el5 |
nss-pkcs11-develRed Hat:enterprise_linux:5::server From an advisory covering 11 CVEs |
before 0:3.12.2.0-2.el5 | 0:3.12.2.0-2.el5 |
nss-toolsRed Hat:enterprise_linux:5::server From an advisory covering 11 CVEs |
before 0:3.12.2.0-2.el5 | 0:3.12.2.0-2.el5 |
xulrunnerRed Hat:enterprise_linux:5::server From an advisory covering 11 CVEs |
before 0:1.9.0.5-1.el5_2 | 0:1.9.0.5-1.el5_2 |
xulrunner-debuginfoRed Hat:enterprise_linux:5::server From an advisory covering 11 CVEs |
before 0:1.9.0.5-1.el5_2 | 0:1.9.0.5-1.el5_2 |
xulrunner-develRed Hat:enterprise_linux:5::server From an advisory covering 11 CVEs |
before 0:1.9.0.5-1.el5_2 | 0:1.9.0.5-1.el5_2 |
xulrunner-devel-unstableRed Hat:enterprise_linux:5::server From an advisory covering 11 CVEs |
before 0:1.9.0.5-1.el5_2 | 0:1.9.0.5-1.el5_2 |
MozillaThunderbirdopenSUSE:Tumbleweed From an advisory covering 394 CVEs |
before 91.1.1-1.1 | 91.1.1-1.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2008-5510 is a medium vulnerability (CVSS 5.0) in Mozilla Firefox, published December 17, 2008. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.21%, the 82nd percentile. No source names a fixed version.
References
securityfocus.com/bid/32882
securitytracker.com/id?1021425
secunia.com/advisories/33408
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9662
bugzilla.mozilla.org/show_bug.cgi?id=228856
Show 194 moreShow less
redhat.com/support/errata/RHSA-2008-1036.html
vupen.com/english/advisories/2009/0977
ubuntu.com/usn/usn-690-2
mozilla.org/security/announce/2008/mfsa2008-67.html
mandriva.com/security/advisories?name=MDVSA-2008:245
usn.ubuntu.com/690-1
debian.org/security/2009/dsa-1707
sunsolve.sun.com/search/document.do?assetkey=1-26-256408-1
exchange.xforce.ibmcloud.com/vulnerabilities/47415
nvd.nist.gov/vuln/detail/CVE-2008-5510
github.com/advisories/GHSA-h25j-67c9-vc8j
access.redhat.com/errata/RHSA-2008:1036
bugzilla.redhat.com/show_bug.cgi?id=476266
security.access.redhat.com/data/csaf/v2/advisories/2008/rhsa-2008_1036.json
cve.org/CVERecord?id=CVE-2008-5500
suse.com/security/cve/CVE-2007-3089
This page doesn't list everything
Left out here: 270 references. The JSON record has them.