How severe is CVE-2015-7510?

CVE-2015-7510 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2015-7510 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-7510?

CVE-2015-7510 affects Systemd Project Systemd. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-7510?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2015-7510 published?

CVE-2015-7510 was published on 2017-09-25 and last updated on 2026-06-17.

CVE-2015-7510

CVE-2015-7510 is a critical-severity vulnerability in Systemd Project Systemd with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 4% (90th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Systemd Project Systemd
Published: 2017-09-25
Last modified: 2026-06-17

Description

Stack-based buffer overflow in the getpwnam and getgrnam functions of the NSS module nss-mymachines in systemd.

Frequently asked questions

What is CVE-2015-7510?: Stack-based buffer overflow in the getpwnam and getgrnam functions of the NSS module nss-mymachines in systemd.
How severe is CVE-2015-7510?: CVE-2015-7510 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2015-7510 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-7510?: CVE-2015-7510 affects Systemd Project Systemd. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-7510?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2015-7510 published?: CVE-2015-7510 was published on 2017-09-25 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:systemd_project:systemd:223:*:*:*:*:*:*:*

More vulnerabilities in Systemd Project Systemd

CVE-2022-2526 — Critical (CVSS 9.8): A use-after-free vulnerability was found in systemd. This issue occurs due to the on_stream_io() function and…
CVE-2018-21029 — Critical (CVSS 9.8): systemd 239 through 245 accepts any certificate signed by a trusted certificate authority for DNS Over TLS. Server Name…
CVE-2017-1000082 — Critical (CVSS 9.8): systemd v233 and earlier fails to safely parse usernames starting with a numeric digit (e.g. "0day"), running the…
CVE-2018-15688 — High (CVSS 8.8): A buffer overflow vulnerability in the dhcp6 client of systemd allows a malicious dhcp6 server to overwrite heap memory…
CVE-2023-26604 — High (CVSS 7.8): systemd before 247 does not adequately block local privilege escalation for some Sudo configurations, e.g., plausible…
CVE-2020-1712 — High (CVSS 7.8): A heap use-after-free vulnerability was found in systemd before version v245-rc1, where asynchronous Polkit queries are…

All CVEs affecting Systemd Project Systemd →

Other CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities

CVE-2026-2778 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component. This vulnerability was fixed in…
CVE-2026-2776 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software. This vulnerability…
CVE-2025-1866 — Critical (CVSS 10.0): Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in warmcat libwebsockets allows…
CVE-2022-27625 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
CVE-2022-27624 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
CVE-2020-11896 — Critical (CVSS 10.0): The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.

Browse all CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities →