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    CVE-2007-4995

    Off-by-one error in the DTLS implementation in OpenSSL 0.9.8 before 0.9.8f allows remote attackers to execute arbitrary code via unspecified vectors.

    Published:Oct 12, 2007
    Last Modified:Apr 23, 2026
    EPS:Oct 13, 2007
    EPSS Score:0.10617
    CVSS Score:9.3

    Affected Products

    Vendor
    Openssl
    Product
    Openssl
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-75803 (CVSS 9.1) — Issue summary: ChaCha20-Poly1305 and AES-OCB decryption with an empty ciphertext can report success without ve…
    CVE-2026-63075 (CVSS 7.5) — Issue summary: When OpenSSL processes QUIC traffic from a peer that repeatedly sends ack-eliciting packets whi…
    CVE-2026-63072 (CVSS 7.5) — Issue summary: OpenSSL CMS decryption sizes the key-unwrap output buffer based on querying the unwrapped key s…
    CVE-2026-54874 (CVSS 7.5) — Issue summary: Receiving a DTLS record for a future epoch while a handshake is in progress causes OpenSSL to b…
    CVE-2026-14457 (CVSS 7.5) — Issue summary: In a server or client configuration with RFC7250 Raw Public Keys (RPKs) enabled, and only the p…
    CVE-2026-63076 (CVSS 7.5) — Issue summary: OpenSSL CMP password based protection verification only checks whether the protectionAlg parame…
    CVE-2026-63074 (CVSS 5.9) — Issue summary: The OpenSSL Certificate Management Protocol (CMP) caches additional certificates (extraCerts) s…
    CVE-2026-63073 (CVSS 9.8) — Issue summary: OpenSSL CMP response validation passed an unexpected response sender distinguished name directl…
    CVE-2026-18798 (CVSS 7.5) — Issue summary: QUIC server may double free QRX (QUIC record layer RX) object when channel creation fails for i…
    CVE-2026-14456 (CVSS 7.5) — Issue summary: When an OpenSSL QUIC server (Listener SSL object) processes valid QUIC Initial packets for unkn…

    References

    http://bugs.gentoo.org/show_bug.cgi?id=195634
    http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01299773
    http://lists.opensuse.org/opensuse-security-announce/2007-10/msg00006.html
    http://secunia.com/advisories/25878
    http://secunia.com/advisories/27205
    http://secunia.com/advisories/27217
    http://secunia.com/advisories/27271
    http://secunia.com/advisories/27363
    http://secunia.com/advisories/27434
    http://secunia.com/advisories/27933
    http://secunia.com/advisories/28084
    http://secunia.com/advisories/30161
    http://secunia.com/advisories/30220
    http://secunia.com/advisories/30852
    http://security.gentoo.org/glsa/glsa-200710-30.xml
    http://securitytracker.com/id?1018810
    http://support.nortel.com/go/main.jsp?cscat=BLTNDETAIL&id=738962
    http://www.debian.org/security/2008/dsa-1571
    http://www.gentoo.org/security/en/glsa/glsa-200805-07.xml
    http://www.mandriva.com/security/advisories?name=MDKSA-2007:237
    http://www.openssl.org/news/secadv_20071012.txt
    http://www.redhat.com/support/errata/RHSA-2007-0964.html
    http://www.securityfocus.com/archive/1/482167/100/0/threaded
    http://www.securityfocus.com/bid/26055
    http://www.vupen.com/english/advisories/2007/3487
    http://www.vupen.com/english/advisories/2007/4219
    http://www.vupen.com/english/advisories/2008/1937/references
    https://exchange.xforce.ibmcloud.com/vulnerabilities/37185
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10288
    https://usn.ubuntu.com/534-1/
    https://www.redhat.com/archives/fedora-package-announce/2007-October/msg00218.html
    http://bugs.gentoo.org/show_bug.cgi?id=195634
    http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01299773
    http://lists.opensuse.org/opensuse-security-announce/2007-10/msg00006.html
    http://secunia.com/advisories/25878
    http://secunia.com/advisories/27205
    http://secunia.com/advisories/27217
    http://secunia.com/advisories/27271
    http://secunia.com/advisories/27363
    http://secunia.com/advisories/27434
    http://secunia.com/advisories/27933
    http://secunia.com/advisories/28084
    http://secunia.com/advisories/30161
    http://secunia.com/advisories/30220
    http://secunia.com/advisories/30852
    http://security.gentoo.org/glsa/glsa-200710-30.xml
    http://securitytracker.com/id?1018810
    http://support.nortel.com/go/main.jsp?cscat=BLTNDETAIL&id=738962
    http://www.debian.org/security/2008/dsa-1571
    http://www.gentoo.org/security/en/glsa/glsa-200805-07.xml
    http://www.mandriva.com/security/advisories?name=MDKSA-2007:237
    http://www.openssl.org/news/secadv_20071012.txt
    http://www.redhat.com/support/errata/RHSA-2007-0964.html
    http://www.securityfocus.com/archive/1/482167/100/0/threaded
    http://www.securityfocus.com/bid/26055
    http://www.vupen.com/english/advisories/2007/3487
    http://www.vupen.com/english/advisories/2007/4219
    http://www.vupen.com/english/advisories/2008/1937/references
    https://exchange.xforce.ibmcloud.com/vulnerabilities/37185
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10288
    https://usn.ubuntu.com/534-1/
    https://www.redhat.com/archives/fedora-package-announce/2007-October/msg00218.html

    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