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CVE-2006-0645
Tiny ASN.1 Library (libtasn1) before 0.2.18, as used by (1) GnuTLS 1.2.x before 1.2.10 and 1.3.x before 1.3.4, and (2) GNU Shishi, allows…
- 7.5HighCVSS base score
- 3.9%Exploitation in 30 daysEPSS · top 9.7% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
Tiny ASN.1 Library (libtasn1) before 0.2.18, as used by (1) GnuTLS 1.2.x before 1.2.10 and 1.3.x before 1.3.4, and (2) GNU Shishi, allows attackers to crash the DER decoder and possibly execute arbitrary code via "out-of-bounds access" caused by invalid input, as demonstrated by the ProtoVer SSL test suite.
Timeline
ID reserved
By redhat
Published
- 19 years later
· 19 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
- EPSS (exploitation in 30 days)
- 3.9% · top 9.7% of all CVEs (10 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Affected products
n/a
- affected n/a
References
31
- 2006-0008 (opens in a new tab)vendor-advisoryx_refsource_TRUSTIXx_transferred
- 18815 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 446 (opens in a new tab)third-party-advisoryx_refsource_SREASONx_transferred
- FEDORA-2006-107 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- 19092 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 1015612 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 23054 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- 18794 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 18918 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- MDKSA-2006:039 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- 18830 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- oval:org.mitre.oval:def:10540 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- [gnutls-dev] 20060209 GnuTLS 1.2.10 - Security release (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- RHSA-2006:0207 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- [gnutls-dev] 20060209 Libtasn1 0.2.18 - Tiny ASN.1 Library - Security release (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- DSA-986 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- DSA-985 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- ADV-2006-0496 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- http://josefsson.org/cgi-bin/viewcvs.cgi/libtasn1/NEWS?root=gnupg-mirror&view=markup (opens in a new tab)x_refsource_CONFIRMx_transferred
- GLSA-200602-08 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- http://www.gleg.net/protover_ssl.shtml (opens in a new tab)x_refsource_MISCx_transferred
- gnutls-libtasn1-der-dos(24606) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- [gnutls-dev] 20060209 GnuTLS 1.3.4 - Experimental - Security release (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 16568 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 18832 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- http://josefsson.org/cgi-bin/viewcvs.cgi/gnutls/tests/certder.c?view=markup (opens in a new tab)x_refsource_MISCx_transferred
- USN-251-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- 19080 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- http://josefsson.org/gnutls/releases/libtasn1/libtasn1-0.2.18-from-0.2.17.patch (opens in a new tab)x_refsource_MISCx_transferred
- 20060209 ProtoVer SSL: GnuTLS (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 18898 (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)
- EUVD EUVD-2006-0652 (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://cveledger.app/cve/CVE-2006-0645)Record last updated .