CVE-2021-46174
CVE-2021-46174 is a high-severity vulnerability in Gnu Binutils with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- EPSS exploit prediction: 1% (49th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Gnu Binutils
- Published:
- Last modified:
Description
Heap-based Buffer Overflow in function bfd_getl32 in Binutils objdump 3.37.
Frequently asked questions
- What is CVE-2021-46174?
- Heap-based Buffer Overflow in function bfd_getl32 in Binutils objdump 3.37.
- How severe is CVE-2021-46174?
- CVE-2021-46174 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2021-46174 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-46174?
- CVE-2021-46174 affects Gnu Binutils. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-46174?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2021-46174 published?
- CVE-2021-46174 was published on 2023-08-22 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:gnu:binutils:*:*:*:*:*:*:*:*
More vulnerabilities in Gnu Binutils
- CVE-2018-12699 — Critical (CVSS 9.8): finish_stab in stabs.c in GNU Binutils 2.30 allows attackers to cause a denial of service (heap-based buffer overflow)…
- CVE-2017-7614 — Critical (CVSS 9.8): elflink.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.28, has a "member…
- CVE-2014-9939 — Critical (CVSS 9.8): ihex.c in GNU Binutils before 2.26 contains a stack buffer overflow when printing bad bytes in Intel Hex objects.
- CVE-2017-7226 — Critical (CVSS 9.1): The pe_ILF_object_p function in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils…
- CVE-2017-6969 — Critical (CVSS 9.1): readelf in GNU Binutils 2.28 is vulnerable to a heap-based buffer over-read while processing corrupt RL78 binaries. The…
- CVE-2020-19726 — High (CVSS 8.8): An issue was discovered in binutils libbfd.c 2.36 relating to the auxiliary symbol data allows attackers to read or…
All CVEs affecting Gnu Binutils →
Other CWE-787 (Out-of-bounds Write) vulnerabilities
- CVE-2026-42369 — Critical (CVSS 10.0): GV-VMS V20 is a Video Monitoring Software used to gather the feeds of many surveillance cameras and manage other…
- CVE-2026-4746 — Critical (CVSS 10.0): Out-of-bounds Write vulnerability in timeplus-io proton (base/poco/Foundation/src modules). This vulnerability is…
- CVE-2025-43300 — Critical (CVSS 10.0): An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.8.5 and iPadOS…
- CVE-2025-24201 — Critical (CVSS 10.0): An out-of-bounds write issue was addressed with improved checks to prevent unauthorized actions. This issue is fixed in…
- CVE-2024-42479 — Critical (CVSS 10.0): llama.cpp provides LLM inference in C/C++. The unsafe `data` pointer member in the `rpc_tensor` structure can cause…
- CVE-2024-39791 — Critical (CVSS 10.0): Stack-based buffer overflow vulnerabilities affecting Vonets industrial wifi bridge relays and wifi bridge…