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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 before 2.0.0.19, and SeaMonkey 1.x before…
Medium5.0EPSS 2.2%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:N/I:P/A:N |
- EPSS (exploitation in 30 days)
- 2.2% · top 17% of all CVEs (4 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (28)
- 32882 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 1021425 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 33408 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- oval:org.mitre.oval:def:9662 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- 33205 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- https://bugzilla.mozilla.org/show_bug.cgi?id=228856 (opens in a new tab)x_refsource_MISCx_transferred
- RHSA-2008:1036 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- ADV-2009-0977 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- USN-690-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- http://www.mozilla.org/security/announce/2008/mfsa2008-67.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- USN-701-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- 33231 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- MDVSA-2008:245 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- USN-690-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- MDVSA-2009:012 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- 33203 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- DSA-1707 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- 33216 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 256408 (opens in a new tab)vendor-advisoryx_refsource_SUNALERTx_transferred
- 33204 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 33184 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 258748 (opens in a new tab)vendor-advisoryx_refsource_SUNALERTx_transferred
- MDVSA-2008:244 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- 33188 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 33523 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 35080 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- mozilla-cssparser-security-bypass(47415) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 34501 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2008-5510)Record last updated .