CVE-2007-0493

Severity: high (CVSS 7.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 12.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2007-01-25 · updated 2026-06-16

Description

Use-after-free vulnerability in ISC BIND 9.3.0 up to 9.3.3, 9.4.0a1 up to 9.4.0a6, 9.4.0b1 up to 9.4.0b4, 9.4.0rc1, and 9.5.0a1 (Bind Forum only) allows remote attackers to cause a denial of service (named daemon crash) via unspecified vectors that cause named to "dereference a freed fetch context."

Affected products

ISC BIND: 9.3.0, 9.3.1, 9.3.2, 9.4.0, 9.4.0-rc1, 9.5.0

References

http://docs.info.apple.com/article.html?artnum=305530
http://fedoranews.org/cms/node/2507
http://fedoranews.org/cms/node/2537
http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2007-003.txt.asc
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?lang=en&cc=us&objectID=c01070495
http://lists.apple.com/archives/security-announce/2007/May/msg00004.html
http://lists.grok.org.uk/pipermail/full-disclosure/2007-January/052018.html
http://lists.suse.com/archive/suse-security-announce/2007-Jan/0016.html
http://marc.info/?l=bind-announce&m=116968519321296&w=2
http://secunia.com/advisories/23904
http://secunia.com/advisories/23924
http://secunia.com/advisories/23943

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