CVE-2026-6845 | GNU Binutils readelf null pointer dereference

VDB-358830 · CVE-2026-6845 · GCVE-0-2026-6845 GNU BINUTILS READELF NULL POINTER DEREFERENCE HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 4.1 $0-$5k 2.25+ Summaryinfo A vulnerability labeled as problematic has been found in GNU Binutils. Affected is an unknown function of the component readelf. The manipulation results in null pointer dereference. This vulnerability is known as CVE-2026-6845. Attacking locally is a requirement. No exploit is available. Detailsinfo A vulnerability classified as problematic has been found in GNU Binutils (the affected version unknown). Affected is an unknown part of the component readelf. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability. CVE summarizes: A flaw was found in binutils, specifically within the `readelf` utility. This vulnerability allows a local attacker to cause a Denial of Service (DoS) by tricking a user into processing a specially crafted Executable and Linkable Format (ELF) file. The exploitation of this flaw can lead to the system becoming unresponsive due to excessive resource consumption or a program crash. The advisory is available at access.redhat.com. This vulnerability is traded as CVE-2026-6845 since 04/22/2026. The exploitability is told to be easy. Local access is required to approach this attack. The technical details are unknown and an exploit is not available. There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Productinfo Type Programming Tool Software Vendor GNU Name Binutils License open-source Website Vendor: https://www.gnu.org/ CPE 2.3info 🔒 CPE 2.2info 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 4.1 VulDB Meta Temp Score: 4.1 VulDB Base Score: 3.3 VulDB Temp Score: 3.3 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 5.0 CNA Vector (redhat): 🔒 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Null pointer dereference CWE: CWE-476 / CWE-404 CAPEC: 🔒 ATT&CK: 🔒 Physical: Partially Local: Yes Remote: Partially Availability: 🔒 Status: Not defined Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: no mitigation known Status: 🔍 0-Day Time: 🔒 Timelineinfo 04/22/2026 Advisory disclosed 04/22/2026 +0 days CVE reserved 04/22/2026 +0 days VulDB entry created 04/22/2026 +0 days VulDB entry last update Sourcesinfo Vendor: gnu.org Advisory: access.redhat.com Status: Not defined CVE: CVE-2026-6845 (🔒) GCVE (CVE): GCVE-0-2026-6845 GCVE (VulDB): GCVE-100-358830 Entryinfo Created: 04/22/2026 12:45 Changes: 04/22/2026 12:45 (62) Complete: 🔍 Cache ID: 99:AD6:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸