Use-after-free vulnerability in the _gnutls_handshake_hash_buffers_clear function in lib/gnutls_handshake.c in libgnutls in GnuTLS 2.3.5 through 2.4.0 allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via TLS transmission of data that is improperly used when the peer calls gnutls_handshake within a normal session, leading to attempted access to a deallocated libgcrypt handle
Published Aug 8, 2008
7.6
HIGHCVSS 2.0
EPSS 5.46%
Description
Use-after-free vulnerability in the _gnutls_handshake_hash_buffers_clear function in lib/gnutls_handshake.c in libgnutls in GnuTLS 2.3.5 through 2.4.0 allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via TLS transmission of data that is improperly used when the peer calls gnutls_handshake within a normal session, leading to attempted access to a deallocated libgcrypt handle.
Affected products
Remediation
Red Hat statement
Not vulnerable. This issue did not affect the versions of gnutls as shipped with Red Hat Enterprise Linux 4, or 5.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:H/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 5.46% (0.05457) | 92.49th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.46% (0.05457) | 91.69th | v5 (v2026.06.15) |
| Mar 30, 2025 | 12.13% (0.12134) | 93.19th | v4 (v2025.03.14) |
| Mar 29, 2025 | 13.31% (0.13308) | 90.26th | v4 (v2025.03.14) |
| Mar 17, 2025 | 12.13% (0.12134) | 93.27th | v4 (v2025.03.14) |
| Dec 12, 2024 | 2.77% (0.02767) | 90.96th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.61% (0.02608) | 88.64th | v3 (v2023.03.01) |
| Mar 6, 2023 | 5.29% (0.05288) | 89.84th | v2 (v2022.01.01) |
| Apr 1, 2022 | 5.29% (0.05288) | 88.81th | v2 (v2022.01.01) |
| Feb 4, 2022 | 5.29% (0.05288) | 75.95th | v2 (v2022.01.01) |
References (11)
- http://article.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/2947 mailing-listx_refsource_MLISTPatch
- http://secunia.com/advisories/31505 third-party-advisoryx_refsource_SECUNIA
- http://www.gnu.org/software/gnutls/security.html x_refsource_CONFIRM
- http://www.nabble.com/Details-on-the-gnutls_handshake-local-crash-problem--GNUTLS-SA-2008-2--td18205022.html mailing-listx_refsource_MLISTExploit
- http://www.securityfocus.com/bid/30713 vdb-entryx_refsource_BID
- http://www.vupen.com/english/advisories/2008/2398 vdb-entryx_refsource_VUPEN
- https://access.redhat.com/security/cve/CVE-2008-2377 Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/44486 vdb-entryx_refsource_XF
- https://issues.rpath.com/browse/RPL-2650 x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2008-2377
- https://www.cve.org/CVERecord?id=CVE-2008-2377
| Link | Providers | Tags |
|---|---|---|
| http://article.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/2947 | mailing-listx_refsource_MLISTPatch | |
| http://secunia.com/advisories/31505 | third-party-advisoryx_refsource_SECUNIA | |
| http://www.gnu.org/software/gnutls/security.html | x_refsource_CONFIRM | |
| http://www.nabble.com/Details-on-the-gnutls_handshake-local-crash-problem--GNUTLS-SA-2008-2--td18205022.html | mailing-listx_refsource_MLISTExploit | |
| http://www.securityfocus.com/bid/30713 | vdb-entryx_refsource_BID | |
| http://www.vupen.com/english/advisories/2008/2398 | vdb-entryx_refsource_VUPEN | |
| https://access.redhat.com/security/cve/CVE-2008-2377 | Vendor Advisory | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/44486 | vdb-entryx_refsource_XF | |
| https://issues.rpath.com/browse/RPL-2650 | x_refsource_CONFIRM | |
| https://nvd.nist.gov/vuln/detail/CVE-2008-2377 | ||
| https://www.cve.org/CVERecord?id=CVE-2008-2377 |
Change history (0)
No recorded changes yet.