CVE-2006-4790: gnu gnutls
Vulnerability summary
CVE-2006-4790 is a medium (CVSS 5.0) vulnerability in gnu gnutls. EPSS estimates a 2.56% chance of exploitation in the next 30 days, higher than 85% of scored vulnerabilities.
Not severe (CVSS 5, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 14-09-2006PublishedVulnerability first disclosed.
- 07-08-2024Last modifiedVulnerability information updated.
Description
verify.c in GnuTLS before 1.4.4, when using an RSA key with exponent 3, does not properly handle excess data in the digestAlgorithm.parameters field when generating a hash, which allows remote attackers to forge a PKCS #1 v1.5 signature that is signed by that RSA key and prevents GnuTLS from correctly verifying X.509 and other certificates that use PKCS, a variant of CVE-2006-4339.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
2.56%
Chance of exploitation in the next 30 days
Percentile
85%
Versus all other CVEs
30-day change
Increase +0.05 pp
From 2.51% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.
Redhat3 products
- gnutls< 0:1.0.20-3.2.3
- gnutls-debuginfo< 0:1.0.20-3.2.3
- gnutls-devel< 0:1.0.20-3.2.3
Debian1 product
- gnutls11< 1.0.16-13.2sarge2
Gnu1 product
- gnutls1.0.17 | 1.0.18 | 1.0.19 | 1.0.20 | 1.0.21 | 1.0.22 | 1.0.23 | 1.0.24 | 1.0.25 | 1.1.14 | 1.1.15 | 1.1.16 | 1.1.17 | 1.1.18 | 1.1.19 | 1.1.20 | 1.1.21 | 1.1.22 | 1.1.23 | 1.2.0 | 1.2.1 | 1.2.2 | 1.2.3 | 1.2.4 | 1.2.5 | 1.2.6 | 1.2.7 | 1.2.8 | 1.2.8.1a1 | 1.2.9 | 1.2.10 | 1.2.11 | 1.3.0 | 1.3.1 | 1.3.2 | 1.3.3 | 1.3.4 | 1.3.5 | 1.4.0 | 1.4.1
3 vendors · 5 products
References
38 linksShow all 38 references
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9937VDB EntrySignatureX Refsource OVAL
- support.avaya.com/elmodocs2/security/ASA-2006-250.htmX Refsource CONFIRM