CVE-2026-0915

HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-01-16. NVD baseline CVSS 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 7.5Exploit: Elevated riskExposed: 0

A fix is available — apply it.

Calling getnetbyaddr or getnetbyaddr_r with a configured nsswitch.conf that specifies the library's DNS backend for networks and queries for a zero-valued network in the GNU C Library version 2.0 to version 2.42 can leak stack contents to the configured DNS resolver.

CVSS v3
7.5
EG Score
7.5(medium)
EG Risk
65(Attend)
EG Risk 65/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity75% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
1%
EPSS %ILE
45%
KEV
Not listed

Published

January 15, 2026

Last Modified

June 17, 2026

Advisory Details (2)

Auto-updated Aug 2, 2026
No patch confirmed yet.
generic

33802 – (CVE-2026-0915) Uninitialized stack buffer used as DNS query name when net==0 in _nss_dns_getnetbyaddr_r

https://sourceware.org/bugzilla/show_bug.cgi?id=33802
generic

oss-security - The GNU C Library security advisories update for 2026-01-16 (part 2)

http://www.openwall.com/lists/oss-security/2026/01/16/6

Vendor Advisories for CVE-2026-0915(11)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(11)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatcostmanagement/costmanagement-metrics-rhel9-operator:17835391562026-07-15redhat
ubuntunscd (2.23-0ubuntu11.3+esm9) @ xenial2026-05-29ubuntu
redhatglibc-main-2.42-11.1.hum12026-04-09redhat
redhatrhceph/rhceph-8-rhel9:17740028672026-03-24redhat
redhatrhui5/rhua-rhel9:17736701372026-03-18redhat
redhatglibc-0:2.28-251.el8_10.312026-03-17redhat
redhatinsights-proxy/insights-proxy-container-rhel9:17736855092026-03-16redhat
redhatdiscovery/discovery-ui-rhel9:17732730702026-03-12redhat
redhatcostmanagement/costmanagement-metrics-rhel9-operator:17708363492026-02-24redhat
redhatglibc-0:2.34-231.el9_7.102026-02-17redhat
redhatglibc-0:2.39-58.el10_1.72026-01-27redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(4 across 4 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
glibc2.31-13 ... 2.31-13+deb11u9 (14 versions)2.31-13+deb11u14—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
glibc2.36-9 ... 2.36-9+deb12u9 (14 versions)2.36-9+deb12u14—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
glibc2.41-12, 2.41-12+deb13u12.41-12+deb13u2—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
glibc2.41-12 ... 2.42-8~hurd.2 (12 versions)2.42-8—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Additional Vendor Advisories

(1)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 5× in last 7d / 43× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 136 total refreshes for this CVE.

  1. 2026-08-30 19:17 UTCEPSS rescore
  2. 2026-08-30 01:21 UTCEPSS rescore
  3. 2026-08-28 21:40 UTCEPSS rescore
  4. 2026-08-27 14:24 UTCEPSS rescore
  5. 2026-08-25 13:48 UTCEPSS rescore
  6. 2026-08-23 00:19 UTCEPSS rescore
  7. 2026-08-21 23:48 UTCEPSS rescore
  8. 2026-08-20 22:55 UTCEPSS rescore
  9. 2026-08-19 17:03 UTCEPSS rescore
  10. 2026-08-18 13:48 UTCEPSS rescore
  11. 2026-08-16 14:56 UTCEPSS rescore
  12. 2026-08-16 02:14 UTCEPSS rescore
  13. 2026-08-15 01:50 UTCEG score recompute
  14. 2026-08-15 01:50 UTCVendor advisory
  15. 2026-08-15 01:50 UTCGHSA enrichment
  16. 2026-08-15 01:30 UTCEPSS rescore
  17. 2026-08-14 14:04 UTCEG score recompute
  18. 2026-08-14 14:04 UTCVendor advisory
  19. 2026-08-14 14:04 UTCGHSA enrichment
  20. 2026-08-13 22:00 UTCEPSS rescore
  21. 2026-08-12 13:50 UTCEPSS rescore
  22. 2026-08-11 13:42 UTCEPSS rescore
  23. 2026-08-10 23:59 UTCEPSS rescore
  24. 2026-08-09 19:34 UTCEG score recompute
  25. 2026-08-09 19:34 UTCVendor advisory
Show 75 more
  1. 2026-08-09 19:34 UTCGHSA enrichment
  2. 2026-08-09 13:46 UTCEPSS rescore
  3. 2026-08-08 16:37 UTCEPSS rescore
  4. 2026-08-08 00:27 UTCEG score recompute
  5. 2026-08-08 00:27 UTCVendor advisory
  6. 2026-08-08 00:27 UTCGHSA enrichment
  7. 2026-08-06 13:46 UTCEPSS rescore
  8. 2026-08-06 05:40 UTCEG score recompute
  9. 2026-08-06 05:40 UTCVendor advisory
  10. 2026-08-06 05:40 UTCGHSA enrichment
  11. 2026-08-05 19:17 UTCEPSS rescore
  12. 2026-08-04 15:09 UTCEPSS rescore
  13. 2026-08-04 10:38 UTCEPSS rescore
  14. 2026-08-03 10:35 UTCEPSS rescore
  15. 2026-08-02 23:14 UTCEG score recompute
  16. 2026-08-02 23:14 UTCVendor advisory
  17. 2026-08-02 23:14 UTCGHSA enrichment
  18. 2026-08-02 02:26 UTCEPSS rescore
  19. 2026-08-01 04:15 UTCEPSS rescore
  20. 2026-07-30 16:27 UTCEPSS rescore
  21. 2026-07-30 01:30 UTCEPSS rescore
  22. 2026-07-28 15:36 UTCEPSS rescore
  23. 2026-07-27 14:13 UTCEPSS rescore
  24. 2026-07-26 14:54 UTCEPSS rescore
  25. 2026-07-26 14:54 UTCEPSS rescore
  26. 2026-07-25 14:17 UTCEPSS rescore
  27. 2026-07-24 14:17 UTCEPSS rescore
  28. 2026-07-23 14:18 UTCEPSS rescore
  29. 2026-07-23 09:49 UTCOSV refresh
  30. 2026-07-23 03:04 UTCEG score recompute
  31. 2026-07-22 14:08 UTCEPSS rescore
  32. 2026-07-21 15:24 UTCEPSS rescore
  33. 2026-07-20 17:08 UTCEPSS rescore
  34. 2026-07-19 14:30 UTCEPSS rescore
  35. 2026-07-19 02:28 UTCEPSS rescore
  36. 2026-07-18 10:04 UTCEPSS rescore
  37. 2026-07-16 17:02 UTCEPSS rescore
  38. 2026-07-15 16:57 UTCEPSS rescore
  39. 2026-07-15 02:00 UTCEPSS rescore
  40. 2026-07-13 22:30 UTCEPSS rescore
  41. 2026-07-13 06:12 UTCEPSS rescore
  42. 2026-07-12 05:46 UTCEPSS rescore
  43. 2026-07-11 08:27 UTCEPSS rescore
  44. 2026-07-09 19:10 UTCEPSS rescore
  45. 2026-07-08 15:15 UTCEPSS rescore
  46. 2026-07-08 15:15 UTCEPSS rescore
  47. 2026-07-07 13:46 UTCEPSS rescore
  48. 2026-07-06 16:27 UTCEPSS rescore
  49. 2026-07-06 05:02 UTCOSV refresh
  50. 2026-07-06 02:23 UTCEPSS rescore
  51. 2026-07-05 02:30 UTCEPSS rescore
  52. 2026-07-05 02:30 UTCEPSS rescore
  53. 2026-07-04 06:31 UTCEPSS rescore
  54. 2026-07-01 15:06 UTCEPSS rescore
  55. 2026-07-01 15:06 UTCEPSS rescore
  56. 2026-06-30 23:22 UTCEPSS rescore
  57. 2026-06-29 14:06 UTCEPSS rescore
  58. 2026-06-28 14:07 UTCEPSS rescore
  59. 2026-06-28 04:56 UTCEPSS rescore
  60. 2026-06-28 04:56 UTCEPSS rescore
  61. 2026-06-27 03:08 UTCEPSS rescore
  62. 2026-06-25 13:49 UTCEPSS rescore
  63. 2026-06-24 14:05 UTCEPSS rescore
  64. 2026-06-23 21:32 UTCEPSS rescore
  65. 2026-06-22 14:25 UTCEPSS rescore
  66. 2026-06-22 14:25 UTCEPSS rescore
  67. 2026-06-21 14:56 UTCEPSS rescore
  68. 2026-06-21 14:56 UTCEPSS rescore
  69. 2026-06-21 01:59 UTCEPSS rescore
  70. 2026-06-21 01:59 UTCEPSS rescore
  71. 2026-06-19 19:25 UTCEPSS rescore
  72. 2026-06-18 17:52 UTCEPSS rescore
  73. 2026-06-17 17:53 UTCEPSS rescore
  74. 2026-06-17 16:43 UTCOSV refresh
  75. 2026-06-16 17:52 UTCEPSS rescore

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-0915?
CVE-2026-0915 is a high vulnerability published on January 15, 2026. Calling getnetbyaddr or getnetbyaddr_r with a configured nsswitch.conf that specifies the library's DNS backend for networks and queries for a zero-valued network in the GNU C Library version 2.0 to version 2.42 can leak stack contents to the configured DNS resolver.
When was CVE-2026-0915 disclosed?
CVE-2026-0915 was first published in the National Vulnerability Database on January 15, 2026, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-0915 actively exploited?
CVE-2026-0915 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 54.9% of all scored CVEs.
What is the CVSS score of CVE-2026-0915?
CVE-2026-0915 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2026-0915?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-0915, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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