CVE-2008-0891
Double free vulnerability in OpenSSL 0.9.8f and 0.9.8g, when the TLS server name extensions are enabled, allows remote attackers to cause a denial of service (crash) via a malformed Client Hello
02 Description
Double free vulnerability in OpenSSL 0.9.8f and 0.9.8g, when the TLS server name extensions are enabled, allows remote attackers to cause a denial of service (crash) via a malformed Client Hello
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 4.38% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 91.2% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2008-05-29 16:00Z18 YR AGO
- Last updated
- 2024-08-07 08:01Z2 YR AGO
- Reserved
- 2008-02-21
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- 5dfd3c8b4b371ebf7583df125471c05b4bc32e2ecb18514af04ce9de42b40ff1
05 Affected products
06 References
- cert.fihttp://cert.fi/haavoittuvuudet/2008/advisory-openssl.html
- slackware.comSSA:2008-210-08http://slackware.com/security/viewer.php?l=slackware-security&y=2008&m=slackware-security.562004
- secunia.com30852http://secunia.com/advisories/30852
- www.redhat.comFEDORA-2008-4723https://www.redhat.com/archives/fedora-package-announce/2008-May/msg01029.html
- support.nortel.comhttp://support.nortel.com/go/main.jsp?cscat=BLTNDETAIL&id=738400
- exchange.xforce.ibmcloud.comopenssl-servername-dos(42666)https://exchange.xforce.ibmcloud.com/vulnerabilities/42666
- secunia.com30460http://secunia.com/advisories/30460
- secunia.com30825http://secunia.com/advisories/30825
- www.vupen.comADV-2008-1680http://www.vupen.com/english/advisories/2008/1680
- www.securitytracker.com1020121http://www.securitytracker.com/id?1020121
- www.ubuntu.comUSN-620-1http://www.ubuntu.com/usn/usn-620-1
- secunia.com30868http://secunia.com/advisories/30868
- www.openssl.orghttp://www.openssl.org/news/secadv_20080528.txt
- security.gentoo.orgGLSA-200806-08http://security.gentoo.org/glsa/glsa-200806-08.xml
- sourceforge.nethttp://sourceforge.net/project/shownotes.php?release_id=615606
- secunia.com31288http://secunia.com/advisories/31288
- secunia.com30405http://secunia.com/advisories/30405
- www.securityfocus.com29405http://www.securityfocus.com/bid/29405
- www.vupen.comADV-2008-1937http://www.vupen.com/english/advisories/2008/1937/references
- secunia.com31228http://secunia.com/advisories/31228
- www.mandriva.comMDVSA-2008:107http://www.mandriva.com/security/advisories?name=MDVSA-2008:107
- www.kb.cert.orgVU#661475http://www.kb.cert.org/vuls/id/661475
07 Fixed in
Debian 12
- openssl Fixed in 0.9.8g-10.1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- openssl Fixed in 0.9.8g-10.1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- openssl Fixed in 0.9.8g-10.1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.