How severe is CVE-2010-2810?

CVE-2010-2810 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2010-2810 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-2810?

CVE-2010-2810 primarily affects Lynx. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-2810?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2010-2810 published?

CVE-2010-2810 was published on 2010-08-20 and last updated on 2026-06-16.

CVE-2010-2810

CVE-2010-2810 is a medium-severity vulnerability in Lynx with a CVSS 2.0 base score of 6.8. 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-119.

Key facts

Severity: Medium (CVSS 2.0 base score 6.8)
EPSS exploit prediction: 4% (88th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Lynx
Published: 2010-08-20
Last modified: 2026-06-16

Description

Heap-based buffer overflow in the convert_to_idna function in WWW/Library/Implementation/HTParse.c in Lynx 2.8.8dev.1 through 2.8.8dev.4 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a malformed URL containing a % (percent) character in the domain name.

Frequently asked questions

What is CVE-2010-2810?: Heap-based buffer overflow in the convert_to_idna function in WWW/Library/Implementation/HTParse.c in Lynx 2.8.8dev.1 through 2.8.8dev.4 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a malformed URL containing a % (percent) character in the domain name.
How severe is CVE-2010-2810?: CVE-2010-2810 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2010-2810 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-2810?: CVE-2010-2810 primarily affects Lynx. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2010-2810?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2010-2810 published?: CVE-2010-2810 was published on 2010-08-20 and last updated on 2026-06-16.

References

Affected products (4)

cpe:2.3:a:lynx:lynx:2.8.8:dev.1:*:*:*:*:*:*
cpe:2.3:a:lynx:lynx:2.8.8:dev.2:*:*:*:*:*:*
cpe:2.3:a:lynx:lynx:2.8.8:dev.3:*:*:*:*:*:*
cpe:2.3:a:lynx:lynx:2.8.8:dev.4:*:*:*:*:*:*

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