CVE-2026-4878 | libcap up to 2.77 cap_set_file allocation of resources (Nessus ID 305106)

VDB-356016 · CVE-2026-4878 · NESSUS 305106 LIBCAP UP TO 2.77 CAP_SET_FILE ALLOCATION OF RESOURCES HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 6.7 $0-$5k 0.93+ Summaryinfo A vulnerability labeled as critical has been found in libcap up to 2.77. Affected by this issue is the function cap_set_file. The manipulation results in allocation of resources. This vulnerability is identified as CVE-2026-4878. The attack is only possible with local access. There is not any exploit available. Applying a patch is advised to resolve this issue. Detailsinfo A vulnerability, which was classified as critical, was found in libcap up to 2.77. Affected is the function cap_set_file. The manipulation with an unknown input leads to a allocation of resources vulnerability. CWE is classifying the issue as CWE-770. The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor. This is going to have an impact on confidentiality, integrity, and availability. The advisory is shared for download at seclists.org. This vulnerability is traded as CVE-2026-4878. The exploitability is told to be difficult. The attack needs to be approached locally. There are known technical details, but no exploit is available. The vulnerability scanner Nessus provides a plugin with the ID 305106 (Linux Distros Unpatched Vulnerability : CVE-2026-4878), which helps to determine the existence of the flaw in a target environment. Applying the patch 286ace1259992bd0c5d9016715833f2e148ac596 is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The vulnerability is also documented in the vulnerability database at Tenable (305106). Productinfo Name libcap Version 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 2.10 2.11 2.12 2.13 2.14 2.15 2.16 2.17 2.18 2.19 2.20 2.21 2.22 2.23 2.24 2.25 2.26 2.27 2.28 2.29 2.30 2.31 2.32 2.33 2.34 2.35 2.36 2.37 2.38 2.39 2.40 2.41 2.42 2.43 2.44 2.45 2.46 2.47 2.48 2.49 2.50 2.51 2.52 2.53 2.54 2.55 2.56 2.57 2.58 2.59 2.60 2.61 2.62 2.63 2.64 2.65 2.66 2.67 2.68 2.69 2.70 2.71 2.72 2.73 2.74 2.75 2.76 2.77 CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 7.0 VulDB Meta Temp Score: 6.7 VulDB Base Score: 7.0 VulDB Temp Score: 6.7 VulDB Vector: 🔒 VulDB Reliability: 🔍 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: Allocation of resources CWE: CWE-770 / CWE-400 / CWE-404 CAPEC: 🔒 ATT&CK: 🔒 Physical: Partially Local: Yes Remote: No Availability: 🔒 Status: Not defined Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Nessus ID: 305106 Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2026-4878 Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: Patch Status: 🔍 0-Day Time: 🔒 Patch: 286ace1259992bd0c5d9016715833f2e148ac596 Timelineinfo 04/08/2026 Advisory disclosed 04/08/2026 +0 days VulDB entry created 04/08/2026 +0 days VulDB entry last update Sourcesinfo Advisory: seclists.org Status: Confirmed CVE: CVE-2026-4878 (🔒) GCVE (CVE): GCVE-0-2026-4878 GCVE (VulDB): GCVE-100-356016 Entryinfo Created: 04/08/2026 08:06 Updated: 04/08/2026 09:25 Changes: 04/08/2026 08:06 (51), 04/08/2026 09:25 (2) Complete: 🔍 Cache ID: 99:DC3:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸