VDB
GSD-2011-4539
GSD-2011-4539
PUBLISHED
dhcpd in ISC DHCP 4.x before 4.2.3-P1 and 4.1-ESV before 4.1-ESV-R4 does not properly handle regular expressions in dhcpd.conf, which allows remote attackers to cause a denial of service (daemon crash) via a crafted request packet.
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
Exploit Intelligence
- MDVSA-2011:182 (circl)
- 47153 (circl)
- FEDORA-2011-16976 (circl)
- openSUSE-SU-2011:1318 (circl)
- isc-dhcp-dhcpd-regex-dos(71680) (circl)
- 47178 (circl)
- https://www.isc.org/software/dhcp/advisories/cve-2011-4539 (circl)
- FEDORA-2011-16981 (circl)
- 1026393 (circl)
- 50971 (circl)
…and 3 more exploits
Timeline
- Dec 8, 2011 CVE Published
- Apr 13, 2026 Distribution Patch
- Apr 13, 2026 Distribution Patch
- Apr 13, 2026 Security Advisory
- Apr 13, 2026 Security Advisory
- Apr 13, 2026 Security Advisory
References
- MDVSA-2011:182 vendor-advisory
- 47153 third-party-advisory
- FEDORA-2011-16976 vendor-advisory
- openSUSE-SU-2011:1318 vendor-advisory
- isc-dhcp-dhcpd-regex-dos(71680) vdb
- 47178 third-party-advisory
- https://www.isc.org/software/dhcp/advisories/cve-2011-4539 url
- FEDORA-2011-16981 vendor-advisory
- 1026393 vdb
- 50971 vdb
- USN-1309-1 advisory
- DSA-2519 advisory
- GLSA-201301-06 advisory