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CVE-2015-7510

31
FAUCET Score

CVE-2015-7510 describes a critical stack-based buffer overflow vulnerability in the getpwnam and getgrnam functions of the nss-mymachines module within systemd. With a CVSS score of 9.8, this vulnerability allows for remote code execution with high impact on confidentiality, integrity, and availability, requiring no user interaction or complex attack vectors. Despite its critical severity, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
223CPE matchmatch criteria
cpe:2.3:a:systemd_project:systemd:223:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
4.33%
Probability of exploitation in next 30 days
EPSS Percentile
90.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0433 is in the 84th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
redhatpatch availablevia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2015-7510Moderate

systemd: Stack overflow in nss-mymachines

Nov 24, 2015

References

bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatchThird Party AdvisoryVDB Entry
github.com / keszybz/systemd/commit/cb31827d62066a04b02111df3052949fda4b6888
PatchThird Party Advisory
github.com / systemd/systemd/issues/2002
ExploitPatchThird Party Advisory