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    CVE-2008-2377

    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
    Last Modified:Apr 23, 2026
    EPS:Aug 8, 2008
    EPSS Score:0.12196
    CVSS Score:7.6

    Affected Products

    Vendor
    Gnu
    Product
    Gnutls

    Exploits

    http://www.nabble.com/Details-on-the-gnutls_handshake-local-crash-problem--GNUTLS-SA-2008-2--td18205022.htmlhttp://www.nabble.com/Details-on-the-gnutls_handshake-local-crash-problem--GNUTLS-SA-2008-2--td18205022.html

    Related CVEs

    CVE-2026-42014 (CVSS 6.6) — A flaw was found in GnuTLS. The `gnutls_pkcs11_token_set_pin` function, used for changing the Security Officer…
    CVE-2026-5419 (CVSS 3.7) — A flaw was found in gnutls. The PKCS#7 padding check, performed during decryption, was not constant-time. This…
    CVE-2026-42013 (CVSS 8.2) — A flaw was found in gnutls. When validating certificates, an oversized Subject Alternative Name (SAN) could ca…
    CVE-2026-42012 (CVSS 7.1) — A flaw was found in gnutls. A remote attacker could exploit this vulnerability by presenting a specially craft…
    CVE-2026-5260 (CVSS 8.2) — A flaw was found in libgnutls. A remote attacker, by sending an extremely short premaster secret during an RSA…
    CVE-2026-33846 (CVSS 7.5) — A heap buffer overflow vulnerability exists in the DTLS handshake fragment reassembly logic of GnuTLS. The iss…
    CVE-2026-3832 (CVSS 3.7) — A flaw was found in gnutls. A remote attacker could exploit this vulnerability by presenting a specially craft…
    CVE-2026-33845 (CVSS 7.5) — A flaw in GnuTLS DTLS handshake parsing allows malformed fragments with zero length and non-zero offset, leadi…
    CVE-2026-3833 (CVSS 6.5) — A flaw was found in gnutls. This vulnerability occurs because gnutls performs case-sensitive comparisons of `n…
    CVE-2026-42009 (CVSS 7.5) — A flaw was found in gnutls. A remote attacker could exploit an issue in the Datagram Transport Layer Security …

    References

    http://article.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/2947
    http://secunia.com/advisories/31505
    http://www.gnu.org/software/gnutls/security.html
    http://www.nabble.com/Details-on-the-gnutls_handshake-local-crash-problem--GNUTLS-SA-2008-2--td18205022.html
    http://www.securityfocus.com/bid/30713
    http://www.vupen.com/english/advisories/2008/2398
    https://exchange.xforce.ibmcloud.com/vulnerabilities/44486
    https://issues.rpath.com/browse/RPL-2650
    http://article.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/2947
    http://secunia.com/advisories/31505
    http://www.gnu.org/software/gnutls/security.html
    http://www.nabble.com/Details-on-the-gnutls_handshake-local-crash-problem--GNUTLS-SA-2008-2--td18205022.html
    http://www.securityfocus.com/bid/30713
    http://www.vupen.com/english/advisories/2008/2398
    https://exchange.xforce.ibmcloud.com/vulnerabilities/44486
    https://issues.rpath.com/browse/RPL-2650

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High