GNU Binutils 2.47 SHT_GROUP Section bfd/elf.c bfd_elf_set_group_contents null pointer dereference

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.8 | $0-$5k | 2.93- |
Summary
A vulnerability was found in GNU Binutils 2.47. It has been classified as problematic. Impacted is the function bfd_elf_set_group_contents of the file bfd/elf.c of the component SHT_GROUP Section Handler. The manipulation leads to null pointer dereference.
This vulnerability is documented as CVE-2026-90829. The attack needs to be performed locally. Additionally, an exploit exists.
The project was informed of the problem early through a bug report but has not responded yet.
Details
A vulnerability was found in GNU Binutils 2.47 and classified as problematic. This issue affects the function bfd_elf_set_group_contents of the file bfd/elf.c of the component SHT_GROUP Section Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is confidentiality, integrity, and availability.
It is possible to read the advisory at sourceware.org. The identification of this vulnerability is CVE-2026-90829. The exploitation is known to be easy. Attacking locally is a requirement. Technical details as well as a public exploit are known.
The exploit is available 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.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.gnu.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 4.8
VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒
Physical: Partially
Local: Yes
Remote: No
Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
09/13/2026 Advisory disclosed09/13/2026 VulDB entry created
09/13/2026 VulDB entry last update
Sources
Vendor: gnu.orgAdvisory: 34451
Status: Not defined
CVE: CVE-2026-90829 (🔒)
GCVE (CVE): GCVE-0-2026-90829
GCVE (VulDB): GCVE-100-403331
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 09/13/2026 21:26Changes: 09/13/2026 21:26 (61)
Complete: 🔍
Submitter: wsstssw
Cache ID: 216::103
Submit
Accepted
- Submit #925228: GNU Binutils 2.47 Memory Corruption (by wsstssw)
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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