GNU Binutils 2.47 ELF String Table bfd/elf-strtab.c _bfd_elf_strtab_delref memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.8$0-$5k2.25-

Summaryinfo

A vulnerability was found in GNU Binutils 2.47. It has been rated as problematic. The impacted element is the function _bfd_elf_strtab_delref of the file bfd/elf-strtab.c of the component ELF String Table. This manipulation causes memory corruption. This vulnerability appears as CVE-2026-90831. The attack requires local access. In addition, an exploit is available. The project was informed of the problem early through a bug report but has not responded yet.

Detailsinfo

A vulnerability was found in GNU Binutils 2.47. It has been declared as problematic. Affected by this vulnerability is the function _bfd_elf_strtab_delref of the file bfd/elf-strtab.c of the component ELF String Table. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability.

The advisory is shared at sourceware.org. This vulnerability is known as CVE-2026-90831. The exploitation appears to be easy. An attack has to be approached locally. Technical details and also a public exploit are known.

It is possible to download the exploit at sourceware.org. It is declared as proof-of-concept. The project was informed of the problem early through a bug report but has not responded yet.

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

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Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
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

09/13/2026 Advisory disclosed
09/13/2026 +0 days VulDB entry created
09/13/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: gnu.org

Advisory: 34454
Status: Not defined

CVE: CVE-2026-90831 (🔒)
GCVE (CVE): GCVE-0-2026-90831
GCVE (VulDB): GCVE-100-403333
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 09/13/2026 21:26
Changes: 09/13/2026 21:26 (60)
Complete: 🔍
Submitter: wsstssw
Cache ID: 216::103

Submitinfo

Accepted

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