CVE-2020-7779

CVE-2020-7779 is a medium-severity vulnerability in Djvalidator Project Djvalidator with a CVSS 3.x base score of 5.3. 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

Description

All versions of package djvalidator are vulnerable to Regular Expression Denial of Service (ReDoS) by sending crafted invalid emails - for example, --@------------------------------------------------------------------------------------------------------------------------!.

Frequently asked questions

What is CVE-2020-7779?
All versions of package djvalidator are vulnerable to Regular Expression Denial of Service (ReDoS) by sending crafted invalid emails - for example, --@------------------------------------------------------------------------------------------------------------------------!.
How severe is CVE-2020-7779?
CVE-2020-7779 has a CVSS 3.x base score of 5.3, rated medium 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 low.
Is CVE-2020-7779 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-7779?
CVE-2020-7779 affects Djvalidator Project Djvalidator. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-7779?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-7779 published?
CVE-2020-7779 was published on 2020-11-26 and last updated on 2026-06-17.

References

Affected products (1)

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