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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.

Severity
Medium 5.0
Published
10 Jul 2008
Last changed
16 Jun 2026
Added to UpHeron
21 Oct 2026
Exploit chance
5.5% in the next 30 daysHigher than 92% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
CWE-399
Attack
Over the network · No login needed
Attacker can
Slow it down
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Sources
NVD

Affected software

SoftwareAffected versions
OpenSSLServers and applications · cpe:a:openssl:openssl
  • Version 0.9.8f
  • Version 0.9.8g
  • Version 0.9.8h

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2008-1678
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2008-1678