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CVE-2008-1678

Memory leak in the zlib_stateful_init function in crypto/comp/c_zlib.c in libssl in OpenSSL 0.9.8f through 0.9.8h allows remote attackers to cause a denial of service (memory consumption) via multiple calls, as demonstrated by initial SSL client handshakes to the Apache HTTP Server mod_ssl that specify a compression algorithm.

Published:Apr 30, 2008

Last Modified:Apr 23, 2026

EPS:Jul 10, 2008

EPSS Score:0.08958

CVSS Score:5

Affected Products

Vendor

Product

Action

Vendor

Openssl

Product

Openssl

Openssl

Openssl

Vendor

Redhat

Product

Enterprise Linux

Redhat

Enterprise Linux

Exploits

http://marc.info/?l=openssl-dev&m=121060672602371&w=2 https://bugs.edge.launchpad.net/bugs/224945 http://marc.info/?l=openssl-dev&m=121060672602371&w=2 https://bugs.edge.launchpad.net/bugs/224945

Common Weakness Enumeration

CWE-401 Missing Release of Memory after Effective Lifetime

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=222643

http://lists.apple.com/archives/security-announce/2008/Oct/msg00001.html

http://lists.opensuse.org/opensuse-security-announce/2008-11/msg00000.html

http://marc.info/?l=openssl-dev&m=121060672602371&w=2

http://secunia.com/advisories/31026

http://secunia.com/advisories/31416

http://secunia.com/advisories/32222

http://secunia.com/advisories/34219

http://secunia.com/advisories/35264

http://secunia.com/advisories/38761

http://secunia.com/advisories/42724

http://secunia.com/advisories/42733

http://secunia.com/advisories/44183

http://security.gentoo.org/glsa/glsa-200807-06.xml

http://securityreason.com/securityalert/3981

http://slackware.com/security/viewer.php?l=slackware-security&y=2010&m=slackware-security.663049

http://support.apple.com/kb/HT3216

http://svn.apache.org/viewvc?view=rev&revision=654119

http://www.mandriva.com/security/advisories?name=MDVSA-2009:124

http://www.redhat.com/support/errata/RHSA-2009-1075.html

http://www.securityfocus.com/bid/31681

http://www.securityfocus.com/bid/31692

http://www.ubuntu.com/usn/USN-731-1

http://www.vupen.com/english/advisories/2008/2780

https://bugs.edge.launchpad.net/bugs/186339

https://bugs.edge.launchpad.net/bugs/224945

https://bugzilla.redhat.com/show_bug.cgi?id=447268

https://exchange.xforce.ibmcloud.com/vulnerabilities/43948

https://issues.apache.org/bugzilla/show_bug.cgi?id=44975

https://kb.bluecoat.com/index?page=content&id=SA50

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9754

https://www.redhat.com/archives/fedora-package-announce/2008-August/msg00055.html

http://bugs.gentoo.org/show_bug.cgi?id=222643

http://lists.apple.com/archives/security-announce/2008/Oct/msg00001.html

http://lists.opensuse.org/opensuse-security-announce/2008-11/msg00000.html

http://marc.info/?l=openssl-dev&m=121060672602371&w=2

http://secunia.com/advisories/31026

http://secunia.com/advisories/31416

http://secunia.com/advisories/32222

http://secunia.com/advisories/34219

http://secunia.com/advisories/35264

http://secunia.com/advisories/38761

http://secunia.com/advisories/42724

http://secunia.com/advisories/42733

http://secunia.com/advisories/44183

http://security.gentoo.org/glsa/glsa-200807-06.xml

http://securityreason.com/securityalert/3981

http://slackware.com/security/viewer.php?l=slackware-security&y=2010&m=slackware-security.663049

http://support.apple.com/kb/HT3216

http://svn.apache.org/viewvc?view=rev&revision=654119

http://www.mandriva.com/security/advisories?name=MDVSA-2009:124

http://www.redhat.com/support/errata/RHSA-2009-1075.html

http://www.securityfocus.com/bid/31681

http://www.securityfocus.com/bid/31692

http://www.ubuntu.com/usn/USN-731-1

http://www.vupen.com/english/advisories/2008/2780

https://bugs.edge.launchpad.net/bugs/186339

https://bugs.edge.launchpad.net/bugs/224945

https://bugzilla.redhat.com/show_bug.cgi?id=447268

https://exchange.xforce.ibmcloud.com/vulnerabilities/43948

https://issues.apache.org/bugzilla/show_bug.cgi?id=44975

https://kb.bluecoat.com/index?page=content&id=SA50

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9754

https://www.redhat.com/archives/fedora-package-announce/2008-August/msg00055.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