Vulnerability-Lookup

FKIE_CVE-2026-6846

Vulnerability from fkie_nvd - Published: 2026-04-22 09:16 - Updated: 2026-09-01 12:17

Severity

7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Summary

A flaw was found in binutils. A heap-buffer-overflow vulnerability exists when processing a specially crafted XCOFF (Extended Common Object File Format) object file during linking. A local attacker could trick a user into processing this malicious file, which could lead to arbitrary code execution, allowing the attacker to run unauthorized commands, or cause a denial of service, making the system unavailable.

References

URL	Tags
secalert@redhat.com	https://access.redhat.com/errata/RHSA-2026:33527
secalert@redhat.com	https://access.redhat.com/errata/RHSA-2026:39022
secalert@redhat.com	https://access.redhat.com/security/cve/CVE-2026-6846	Third Party Advisory
secalert@redhat.com	https://bugzilla.redhat.com/show_bug.cgi?id=2460006	Issue Tracking, Third Party Advisory
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:33527
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/security/cve/CVE-2026-6846	Third Party Advisory
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://bugzilla.redhat.com/show_bug.cgi?id=2460006	Issue Tracking, Third Party Advisory
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-6846.json

Impacted products

Vendor	Product	Version
gnu	binutils	*
redhat	hardened_images	-
redhat	openshift_container_platform	4.0
redhat	enterprise_linux	6.0
redhat	enterprise_linux	8.0
redhat	enterprise_linux	9.0
redhat	enterprise_linux	10.0

JSON

To clipboard

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CVE-2026-6846 (GCVE-0-2026-6846)

Vulnerability from cvelistv5 – Published: 2026-04-22 08:37 – Updated: 2026-09-01 12:04

Title

Binutils: binutils: arbitrary code execution via malformed xcoff object file processing

Summary

Severity

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-04-22 00:00 UTC

CWE

CWE-122 - Heap-based Buffer Overflow

Assigner

redhat redhat root Scorecard

References

5 references

URL	Tags
https://access.redhat.com/errata/RHSA-2026:33527	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:39022	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2026-6846	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2460006	issue-trackingx_refsource_REDHAT
https://security.access.redhat.com/data/csaf/v2/v…	x_sadp-csaf-vex

Impacted products

10 products

Vendor	Product	Version
		Affected: 0 , < 2.47 (semver)
Red Hat	Red Hat Hardened Images	Unaffected: 2.45.1-5.1.hum1 , < * (rpm) cpe:/a:redhat:hummingbird:1
Red Hat	Red Hat Hardened Images	Unaffected: 2.46.1-1.hum1 , < * (rpm) cpe:/a:redhat:hummingbird:1
Red Hat	Red Hat Enterprise Linux 10	cpe:/o:redhat:enterprise_linux:10
Red Hat	Red Hat Enterprise Linux 6	cpe:/o:redhat:enterprise_linux:6
Red Hat	Red Hat Enterprise Linux 7	cpe:/o:redhat:enterprise_linux:7
Red Hat	Red Hat Enterprise Linux 8	cpe:/o:redhat:enterprise_linux:8
Red Hat	Red Hat Enterprise Linux 9	cpe:/o:redhat:enterprise_linux:9
Red Hat	Red Hat OpenShift Container Platform 4	cpe:/a:redhat:openshift:4
Red Hat	Red Hat Hardened Images	Unaffected: 2.45.1-5.1.hum1 , < * (rpm) Unaffected: 2.46.1-1.hum1 , < * (rpm) cpe:/a:redhat:hummingbird:1

Date Public

2026-04-08 00:00

Credits

Red Hat would like to thank Takao Sato for reporting this issue.

Show details on NVD website

JSON

To clipboard

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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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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.

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FKIE_CVE-2026-6846

CVE-2026-6846 (GCVE-0-2026-6846)

Tags

Sightings

Nomenclature

Related by attack behaviour