CVE-2026-90831

MEDIUMPre-NVD 5.35.3—
EchelonGraph scoreHIGH confidence

Score 5.3 from GitHub Security Advisory (severity: LOW) published 2026-09-15. a secondary CVSS source baseline 5.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
5.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.3Exploit: None knownExposed: 0

A fix is available — apply it.

A vulnerability was detected in GNU Binutils 2.47. The affected element is the function _bfd_elf_strtab_delref of the file bfd/elf-strtab.c of the component ELF String Table. The manipulation results in memory corruption. The attack requires a local approach. The exploit is now public and may be used. The project was informed of the problem early through a bug report but has not responded yet.

CVSS v3
5.3
EG Score
5.3(high)
EG Risk
24(Track)
EG Risk 24/100SSVC: Track

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
Severity53% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
5%
KEV
Not listed

Published

September 14, 2026

Last Modified

September 16, 2026

Advisory Details (3)

Auto-updated Sep 14, 2026
No patch confirmed yet.
generic

The GNU Operating System and the Free Software Movement

https://www.gnu.org/
generic
https://sourceware.org/bugzilla/attachment.cgi?id=16886
generic

34454 – ld: SEGV (BFD_ASSERT) in _bfd_elf_strtab_delref (bfd/elf-strtab.c:200) via malformed versioned symbol with `--version-exports-section symbol --shared`

https://sourceware.org/bugzilla/show_bug.cgi?id=34454

Vendor Advisories for CVE-2026-90831(2)

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

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatbinutils-main-2.46.1-1.1.hum12026-07-28redhat

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.

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 23× in last 7d / 42× 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.

  1. 2026-09-24 20:17 UTCEG score recompute
  2. 2026-09-24 20:17 UTCVendor advisory
  3. 2026-09-24 20:17 UTCGHSA enrichment
  4. 2026-09-24 14:04 UTCEPSS rescore
  5. 2026-09-23 20:09 UTCEG score recompute
  6. 2026-09-23 20:09 UTCVendor advisory
  7. 2026-09-23 20:09 UTCGHSA enrichment
  8. 2026-09-23 17:54 UTCEPSS rescore
  9. 2026-09-22 20:02 UTCEG score recompute
  10. 2026-09-22 20:02 UTCVendor advisory
  11. 2026-09-22 20:02 UTCGHSA enrichment
  12. 2026-09-22 16:01 UTCEPSS rescore
  13. 2026-09-21 21:09 UTCEPSS rescore
  14. 2026-09-21 19:54 UTCEG score recompute
  15. 2026-09-21 19:54 UTCVendor advisory
  16. 2026-09-21 19:54 UTCGHSA enrichment
  17. 2026-09-20 20:16 UTCEPSS rescore
  18. 2026-09-20 19:46 UTCGHSA enrichment
  19. 2026-09-19 19:38 UTCEG score recompute
  20. 2026-09-19 19:38 UTCGHSA enrichment
  21. 2026-09-18 19:31 UTCEG score recompute
  22. 2026-09-18 19:31 UTCGHSA enrichment
  23. 2026-09-18 19:28 UTCEPSS rescore
  24. 2026-09-17 19:32 UTCEPSS rescore
  25. 2026-09-17 19:23 UTCGHSA enrichment
Show 17 more
  1. 2026-09-16 17:51 UTCEG score recompute
  2. 2026-09-16 17:50 UTCGHSA enrichment
  3. 2026-09-16 17:21 UTCNVD updateCVSS v4 → 1.9
  4. 2026-09-16 16:55 UTCEG score recompute
  5. 2026-09-16 16:55 UTCGHSA enrichment
  6. 2026-09-16 16:34 UTCMITRE cvelistV5CVSS v4 → 4.8
  7. 2026-09-16 15:44 UTCGHSA enrichment
  8. 2026-09-16 15:02 UTCEG score recompute
  9. 2026-09-16 15:02 UTCGHSA enrichment
  10. 2026-09-16 14:09 UTCEPSS rescore
  11. 2026-09-16 05:15 UTCEPSS rescore
  12. 2026-09-15 14:53 UTCEG score recompute
  13. 2026-09-15 14:53 UTCGHSA enrichment
  14. 2026-09-14 23:22 UTCEG score recompute
  15. 2026-09-14 23:21 UTCNVD updateCVSS v4 → 1.9
  16. 2026-09-14 22:55 UTCEG score recompute
  17. 2026-09-14 22:54 UTCMITRE cvelistV5first tracked

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-90831?
CVE-2026-90831 is a medium vulnerability published on September 14, 2026. A vulnerability was detected in GNU Binutils 2.47. The affected element is the function bfdelfstrtabdelref of the file bfd/elf-strtab.c of the component ELF String Table. The manipulation results in memory corruption. The attack requires a local approach. The exploit is now public and may be used.…
When was CVE-2026-90831 disclosed?
CVE-2026-90831 was first published in the National Vulnerability Database on September 14, 2026, with the most recent update on September 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-90831 actively exploited?
CVE-2026-90831 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 94.6% of all scored CVEs.
What is the CVSS score of CVE-2026-90831?
CVE-2026-90831 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2026-90831?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-90831, 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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