CVE-2026-90803

MEDIUMNVD 6.86.8—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 6.8 under NVD CVSS v3. EPSS exploit probability: 0.2%, top 91% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
Sources: epss, ghsa, nvd
Trending — 5 sources updated this weekElevated
6.8EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.8Exploit: Elevated riskExposed: 0

A fix is available — apply it.

A security vulnerability has been detected in GNU Binutils 2.47. Affected by this vulnerability is the function elf_x86_64_relocate_section of the file bfd/elf64-x86-64.c of the component ld. Such manipulation of the argument roff leads to buffer overflow. An attack has to be approached locally. The exploit has been disclosed publicly and may be used. Upgrading to version 2.48 addresses this issue. The name of the patch is 471130b39c03623ec6d78ece377ff4da3f6bfe7b. It is recommended to upgrade the affected component.

CVSS v3
6.8
EG Score
6.8(medium)
EG Risk
47(Track)
EG Risk 47/100SSVC: 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
Severity68% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
9%
KEV
Not listed

Published

September 14, 2026

Last Modified

September 18, 2026

Advisory Details (4)

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

The GNU Operating System and the Free Software Movement

https://www.gnu.org/
generic

sourceware.org Git - binutils-gdb.git/commit

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=471130b39c03623ec6d78ece377ff4da3f6bfe7b
generic

cve_summit/Heap OOB readwrite and SEGV in `elf_x86_64_relocate_section` (bfdelf64-x86-64.c4530 4835) via malformed relocation.md at main · r1ck9-2q/cve_summit · GitHub

https://github.com/r1ck9-2q/cve_summit/blob/main/Heap%20OOB%20readwrite%20and%20SEGV%20in%20%60elf_x86_64_relocate_section%60%20(bfdelf64-x86-64.c4530%20%204835)%20via%20malformed%20relocation.md
generic

34444 – ld: heap OOB read/write in elf_x86_64_relocate_section (bfd/elf64-x86-64.c:4530 / :4835) via malformed relocation

https://sourceware.org/bugzilla/show_bug.cgi?id=34444

Vendor Advisories for CVE-2026-90803(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(2)

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

Data Freshness Timeline

(refreshed 24× in last 7d / 39× 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 18:12 UTCEG score recompute
  2. 2026-09-24 18:12 UTCVendor advisory
  3. 2026-09-24 18:12 UTCGHSA enrichment
  4. 2026-09-24 14:04 UTCEPSS rescore
  5. 2026-09-23 17:54 UTCEPSS rescore
  6. 2026-09-23 17:30 UTCVendor advisory
  7. 2026-09-23 17:30 UTCGHSA enrichment
  8. 2026-09-22 16:50 UTCEG score recompute
  9. 2026-09-22 16:50 UTCVendor advisory
  10. 2026-09-22 16:50 UTCGHSA enrichment
  11. 2026-09-22 16:01 UTCEPSS rescore
  12. 2026-09-21 21:09 UTCEPSS rescore
  13. 2026-09-21 16:13 UTCEG score recompute
  14. 2026-09-21 16:13 UTCVendor advisory
  15. 2026-09-21 16:13 UTCGHSA enrichment
  16. 2026-09-20 20:16 UTCEPSS rescore
  17. 2026-09-20 15:43 UTCEG score recompute
  18. 2026-09-20 15:43 UTCGHSA enrichment
  19. 2026-09-19 15:13 UTCEG score recompute
  20. 2026-09-19 15:13 UTCGHSA enrichment
  21. 2026-09-18 19:28 UTCEPSS rescore
  22. 2026-09-18 14:43 UTCEG score recompute▲ 1.50
  23. 2026-09-18 14:43 UTCGHSA enrichment
  24. 2026-09-18 14:42 UTCNVD updateCVSS v3 → 6.8
  25. 2026-09-17 23:51 UTCEG score recompute
Show 14 more
  1. 2026-09-17 23:51 UTCGHSA enrichment
  2. 2026-09-17 19:32 UTCEPSS rescore
  3. 2026-09-16 22:20 UTCEG score recompute
  4. 2026-09-16 22:20 UTCGHSA enrichment
  5. 2026-09-16 14:09 UTCEPSS rescore
  6. 2026-09-16 05:15 UTCEPSS rescore
  7. 2026-09-15 21:33 UTCGHSA enrichment
  8. 2026-09-14 21:02 UTCGHSA enrichment
  9. 2026-09-14 18:33 UTCEG score recompute
  10. 2026-09-14 18:33 UTCGHSA enrichment
  11. 2026-09-14 17:26 UTCNVD updateCVSS v4 → 1.9
  12. 2026-09-14 17:21 UTCEG score recompute
  13. 2026-09-14 16:50 UTCEG score recompute
  14. 2026-09-14 16:49 UTCMITRE cvelistV5first tracked

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-90803?
CVE-2026-90803 is a medium vulnerability published on September 14, 2026. A security vulnerability has been detected in GNU Binutils 2.47. Affected by this vulnerability is the function elfx8664relocatesection of the file bfd/elf64-x86-64.c of the component ld. Such manipulation of the argument roff leads to buffer overflow. An attack has to be approached locally. The…
When was CVE-2026-90803 disclosed?
CVE-2026-90803 was first published in the National Vulnerability Database on September 14, 2026, with the most recent update on September 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-90803 actively exploited?
CVE-2026-90803 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 91.2% of all scored CVEs.
What is the CVSS score of CVE-2026-90803?
CVE-2026-90803 has a CVSS v3 base score of 6.8 (NVD).
How do I remediate CVE-2026-90803?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-90803, 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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