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CVE-2003-0859

15
FAUCET Score

CVE-2003-0859 describes a denial-of-service vulnerability in the getifaddrs function of GNU libc (glibc) versions 2.2.4 and earlier, affecting products from vendors like GNU, Intel, and Red Hat. An attacker can exploit this by sending spoofed messages to the kernel netlink interface, leading to system unavailability. This vulnerability has a CVSS score of 4.9, indicating a low-privilege local attack with high impact on availability. There is no evidence of active exploitation, public exploit code, or significant community discussion, and it is not listed in the KEV catalog.

Impacted Technologies

VendorProductVersion(s)CPE
2.3.2CPE matchmatch criteria
cpe:2.3:a:gnu:glibc:2.3.2:*:*:*:*:*:*:*
0.91aCPE matchmatch criteria
cpe:2.3:a:gnu:zebra:0.91a:*:*:*:*:*:*:*
0.92aCPE matchmatch criteria
cpe:2.3:a:gnu:zebra:0.92a:*:*:*:*:*:*:*
0.93aCPE matchmatch criteria
cpe:2.3:a:gnu:zebra:0.93a:*:*:*:*:*:*:*
0.93bCPE matchmatch criteria
cpe:2.3:a:gnu:zebra:0.93b:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.9MEDIUM

AV:L/AC:L/Au:N/C:N/I:N/A:C

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.37%
Probability of exploitation in next 30 days
EPSS Percentile
29.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0037 is in the 49th percentile among its peer group of 3,049 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (6)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 3Fixed in: glibc-0:2.3.2-95.6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux 7.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux 7.2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux 7.3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux 8.0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux 9
View patch

Vendor Advisories (1)

redhatCVE-2003-0859Low

security flaw

Nov 12, 2003

References

oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11337
redhat.com / support/errata/RHSA-2003-325.html
PatchVendor Advisory
redhat.com / support/errata/RHSA-2003-334.html