How severe is CVE-2020-19726?

CVE-2020-19726 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-19726 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-19726?

CVE-2020-19726 affects Gnu Binutils. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-19726?

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-2020-19726 published?

CVE-2020-19726 was published on 2023-08-22 and last updated on 2026-06-17.

CVE-2020-19726

CVE-2020-19726 is a high-severity vulnerability in Gnu Binutils with a CVSS 3.x base score of 8.8. 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-400.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-400
Affected product: Gnu Binutils
Published: 2023-08-22
Last modified: 2026-06-17

Description

An issue was discovered in binutils libbfd.c 2.36 relating to the auxiliary symbol data allows attackers to read or write to system memory or cause a denial of service.

Frequently asked questions

What is CVE-2020-19726?: An issue was discovered in binutils libbfd.c 2.36 relating to the auxiliary symbol data allows attackers to read or write to system memory or cause a denial of service.
How severe is CVE-2020-19726?: CVE-2020-19726 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-19726 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-19726?: CVE-2020-19726 affects Gnu Binutils. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-19726?: 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-2020-19726 published?: CVE-2020-19726 was published on 2023-08-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:gnu:binutils:2.36:*:*:*:*:*:*:*

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