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CVE-2008-1948

29
FAUCET Score

CVE-2008-1948 describes a critical buffer overflow vulnerability in GnuTLS versions prior to 2.2.4, specifically within the _gnutls_server_name_recv_params function. This flaw allows remote attackers to trigger a denial of service (crash) or potentially execute arbitrary code by sending a crafted TLS 1.0 Client Hello message with a zero-length Server Names field. With a CVSS score of 10.0, this vulnerability is extremely severe, indicating a network-exploitable attack with low complexity, requiring no authentication, and leading to complete compromise of confidentiality, integrity, and availability. While the EPSS score is relatively low, its FAUCET Risk Score of 94/100 highlights its significant danger. There is no evidence of active exploitation, nor are there public exploits available in Metasploit, Nuclei, or ExploitDB, and community discussion and media coverage are minimal, suggesting it has not garnered widespread attention.

Impacted Technologies

VendorProductVersion(s)CPE
1.0.18CPE matchmatch criteria
cpe:2.3:a:gnu:gnutls:1.0.18:*:*:*:*:*:*:*
1.0.19CPE matchmatch criteria
cpe:2.3:a:gnu:gnutls:1.0.19:*:*:*:*:*:*:*
1.0.20CPE matchmatch criteria
cpe:2.3:a:gnu:gnutls:1.0.20:*:*:*:*:*:*:*
1.0.21CPE matchmatch criteria
cpe:2.3:a:gnu:gnutls:1.0.21:*:*:*:*:*:*:*
1.0.22CPE matchmatch criteria
cpe:2.3:a:gnu:gnutls:1.0.22:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

10.0HIGH

AV:N/AC:L/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
12.02%
Probability of exploitation in next 30 days
EPSS Percentile
95.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.1202 is in the 93rd percentile among its peer group of 51,506 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: gnutls-0:1.0.20-4.el4_6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: gnutls-0:1.4.1-3.el5_1
View patch

Vendor Advisories (1)

redhatCVE-2008-1948Critical

GNUTLS-SA-2008-1-1 GnuTLS buffer overflow

May 19, 2008

References

git.savannah.gnu.org / gitweb
lists.gnu.org / archive/html/gnutls-devel/2008-05/msg00051.html
lists.gnu.org / archive/html/gnutls-devel/2008-05/msg00055.html
Exploit
lists.gnu.org / archive/html/gnutls-devel/2008-05/msg00060.html
lists.opensuse.org / opensuse-security-announce/2008-09/msg00003.html
secunia.com / advisories/30287
secunia.com / advisories/30302
secunia.com / advisories/30317
secunia.com / advisories/30324
secunia.com / advisories/30330
secunia.com / advisories/30331
secunia.com / advisories/30338
secunia.com / advisories/30355
secunia.com / advisories/31939
security.gentoo.org / glsa/glsa-200805-20.xml
securityreason.com / securityalert/3902
exchange.xforce.ibmcloud.com / vulnerabilities/42532
issues.rpath.com / browse/RPL-2552
sourceforge.net / project/shownotes.php
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10935
redhat.com / archives/fedora-package-announce/2008-May/msg00487.html
redhat.com / archives/fedora-package-announce/2008-May/msg00590.html
redhat.com / archives/fedora-package-announce/2008-May/msg00615.html
wiki.rpath.com / wiki/Advisories:rPSA-2008-0174
cert.fi / haavoittuvuudet/advisory-gnutls.html
Exploit
debian.org / security/2008/dsa-1581
kb.cert.org / vuls/id/111034
US Government Resource
mandriva.com / security/advisories
openwall.com / lists/oss-security/2008/05/20/1
openwall.com / lists/oss-security/2008/05/20/2
Patch
openwall.com / lists/oss-security/2008/05/20/3
redhat.com / support/errata/RHSA-2008-0489.html
redhat.com / support/errata/RHSA-2008-0492.html
securityfocus.com / archive/1/492282/100/0/threaded
securityfocus.com / archive/1/492464/100/0/threaded
securityfocus.com / bid/29292
Patch
securitytracker.com / id
ubuntu.com / usn/usn-613-1
vupen.com / english/advisories/2008/1582/references
vupen.com / english/advisories/2008/1583/references