GNU Binutils XCOFF Object File out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in GNU Binutils. This vulnerability affects unknown code of the component XCOFF Object File Handler. The manipulation leads to out-of-bounds. This vulnerability is documented as CVE-2026-3442. The attack needs to be performed locally. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in GNU Binutils (affected version not known). This issue affects some unknown functionality of the component XCOFF Object File Handler. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is availability. The summary by CVE is:

A flaw was found in GNU Binutils. This vulnerability, a heap-based buffer overflow, specifically an out-of-bounds read, exists in the bfd linker component. An attacker could exploit this by convincing a user to process a specially crafted malicious XCOFF object file. Successful exploitation may lead to the disclosure of sensitive information or cause the application to crash, resulting in an application level denial of service.

The advisory is shared at access.redhat.com. The identification of this vulnerability is CVE-2026-3442 since 03/02/2026. The exploitation is known to be easy. An attack has to be approached locally. Neither technical details nor an exploit are publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-12196). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 3.3
VulDB Temp Score: 3.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 7.1
NVD Vector: 🔒

CNA Base Score: 6.1
CNA Vector (redhat): 🔒

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

03/02/2026 CVE reserved
03/15/2026 +13 days Advisory disclosed
03/15/2026 +0 days VulDB entry created
03/21/2026 +6 days VulDB entry last update

Sourcesinfo

Vendor: gnu.org

Advisory: access.redhat.com
Status: Not defined

CVE: CVE-2026-3442 (🔒)
GCVE (CVE): GCVE-0-2026-3442
GCVE (VulDB): GCVE-100-351101
EUVD: 🔒

Entryinfo

Created: 03/15/2026 09:03
Updated: 03/21/2026 09:43
Changes: 03/15/2026 09:03 (62), 03/15/2026 09:47 (1), 03/21/2026 09:43 (12)
Complete: 🔍
Cache ID: 216::103

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