CVE-2026-4647 | GNU Biutils BFD Library out-of-bounds

VDB-352515 · CVE-2026-4647 · GCVE-0-2026-4647 GNU BIUTILS BFD LIBRARY OUT-OF-BOUNDS HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 4.7 $0-$5k 1.73+ Summaryinfo A vulnerability identified as problematic has been detected in GNU Biutils. This impacts an unknown function of the component BFD Library. Performing a manipulation results in out-of-bounds. This vulnerability is known as CVE-2026-4647. Attacking locally is a requirement. No exploit is available. Detailsinfo A vulnerability, which was classified as problematic, was found in GNU Biutils (affected version not known). This affects some unknown functionality of the component BFD Library. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on availability. The summary by CVE is: A flaw was found in the GNU Binutils BFD library, a widely used component for handling binary files such as object files and executables. The issue occurs when processing specially crafted XCOFF object files, where a relocation type value is not properly validated before being used. This can cause the program to read memory outside of intended bounds. As a result, affected tools may crash or expose unintended memory contents, leading to denial-of-service or limited information disclosure risks. It is possible to read the advisory at access.redhat.com. This vulnerability is uniquely identified as CVE-2026-4647 since 03/23/2026. The exploitability is told to be easy. Attacking locally is a requirement. The technical details are unknown and an exploit is not publicly available. There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Productinfo Vendor GNU Name Biutils 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: 4.7 VulDB Meta Temp Score: 4.7 VulDB Base Score: 3.3 VulDB Temp Score: 3.3 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 6.1 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: Out-of-bounds CWE: CWE-125 / CWE-119 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 03/23/2026 Advisory disclosed 03/23/2026 +0 days CVE reserved 03/23/2026 +0 days VulDB entry created 03/23/2026 +0 days VulDB entry last update Sourcesinfo Vendor: gnu.org Advisory: access.redhat.com Status: Not defined CVE: CVE-2026-4647 (🔒) GCVE (CVE): GCVE-0-2026-4647 GCVE (VulDB): GCVE-100-352515 Entryinfo Created: 03/23/2026 15:33 Changes: 03/23/2026 15:33 (61) Complete: 🔍 Cache ID: 99:439:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸