Critical severity9.8NVD Advisory· Published Nov 14, 2019· Updated Jun 16, 2026

CVE-2011-1930

Description

In klibc 1.5.20 and 1.5.21, the DHCP options written by ipconfig to /tmp/net-$DEVICE.conf are not properly escaped. This may allow a remote attacker to send a specially crafted DHCP reply which could execute arbitrary code with the privileges of any process which sources DHCP options.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Klibc Project/Klibc
cpe:2.3:a:klibc_project:klibc:*:*:*:*:*:*:*:*
Range: <1.5.25
Debian/linux3 versions
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
klibc/klibcllm-fuzzy2 versions
1.5.20, 1.5.21+ 1 more
- (no CPE)range: 1.5.20, 1.5.21
- (no CPE)range: 1.5.20
Debian/Debianllm-fuzzy

Patches

Vulnerability mechanics

References

security.gentoo.org/glsa/glsa-201309-21.xmlnvdThird Party Advisory
www.openwall.com/lists/oss-security/2012/05/22/12nvdMailing ListThird Party Advisory
www.securityfocus.com/bid/47924nvdThird Party AdvisoryVDB Entry
access.redhat.com/security/cve/cve-2011-1930nvdNot ApplicableThird Party Advisory
security-tracker.debian.org/tracker/CVE-2011-1930nvdThird Party Advisory

News mentions

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cvss	0.637
epss	0.016
exploit	0.030
kev	0.000
patch	0.000
ransomware	0.000