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CVE-2026-91782 (GCVE-0-2026-91782)

Vulnerability from cvelistv5 – Published: 2026-09-15 09:00 – Updated: 2026-09-15 09:00 X_Open Source
VLAI
Title
GNU Binutils Dynamic Relocation Allocation elfxx-x86.c elf_x86_allocate_dynrelocs null pointer dereference
Summary
A vulnerability was detected in GNU Binutils 2.47. Affected by this vulnerability is the function elf_x86_allocate_dynrelocs of the file bfd/elfxx-x86.c of the component Dynamic Relocation Allocation. The manipulation results in null pointer dereference. The attack requires a local approach. The exploit is now public and may be used. Upgrading to version 2.48 addresses this issue. The patch is identified as d1268210b6f6/471130b39c0/283d3198bed/0a84e560216/a692a633d40. Upgrading the affected component is recommended.
Severity
4.8 (Medium)
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
3.3 (Low)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
3.3 (Low)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
CWE
Assigner
References
URL Tags
https://vuldb.com/vuln/404053 vdb-entrytechnical-description
https://vuldb.com/vuln/404053/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-91782 third-party-advisory
https://vuldb.com/submit/933335 third-party-advisory
https://sourceware.org/bugzilla/show_bug.cgi?id=34448 broken-linkissue-tracking
https://github.com/Ech06/CVE_submit/tree/main/bug… exploit
https://www.gnu.org/ broken-linkproduct
Impacted products
Vendor Product Version CPE status
GNU Binutils Affected: 2.47
Unaffected: 2.48
    cpe:2.3:a:gnu:binutils:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
Ech06 (VulDB User)
Show details on NVD website
To clipboard 

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        {
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            "cpe:2.3:a:gnu:binutils:*:*:*:*:*:*:*:*"
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          "vendor": "GNU",
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      "title": "GNU Binutils Dynamic Relocation Allocation elfxx-x86.c elf_x86_allocate_dynrelocs null pointer dereference",
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    "dateReserved": "2026-09-15T02:01:19.557Z",
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    "suse_vex": {
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      "current_release_date": "2026-09-15T23:58:23Z",
      "cve": "CVE-2026-91782",
      "id": "CVE-2026-91782",
      "initial_release_date": "2026-09-15T23:58:23Z",
      "product_status:known_affected": "173",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2026-91782",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-91782.json",
      "version": "2"
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  }
}



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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.