CVE-2021-37322
CVE-2021-37322 is a high-severity vulnerability in Gnu Binutils with a CVSS 3.x base score of 7.8. 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-416.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- CVSS v2: 6.8
- EPSS exploit prediction: 1% (54th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-416
- Affected product: Gnu Binutils
- Published:
- Last modified:
Description
GCC c++filt v2.26 was discovered to contain a use-after-free vulnerability via the component cplus-dem.c.
Frequently asked questions
- What is CVE-2021-37322?
- GCC c++filt v2.26 was discovered to contain a use-after-free vulnerability via the component cplus-dem.c.
- How severe is CVE-2021-37322?
- CVE-2021-37322 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-37322 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-37322?
- CVE-2021-37322 primarily affects Gnu Binutils. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2021-37322?
- 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-2021-37322 published?
- CVE-2021-37322 was published on 2021-11-18 and last updated on 2026-06-17.
References
Affected products (2)
- cpe:2.3:a:gnu:binutils:*:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:gcc:*:*:*:*:*:*:*:*
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)…
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- 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-416 (Use After Free) vulnerabilities
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- CVE-2026-4688 — Critical (CVSS 10.0): Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox…
- CVE-2025-24085 — Critical (CVSS 10.0): A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.3 and iPadOS 18.3,…
- CVE-2024-43102 — Critical (CVSS 10.0): Concurrent removals of certain anonymous shared memory mappings by using the UMTX_SHM_DESTROY sub-request of…
- CVE-2021-32495 — Critical (CVSS 10.0): Radare2 has a use-after-free vulnerability in pyc parser's get_none_object function. Attacker can read freed memory…