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Fencer Intel
medium 6.8

CVE-2010-2810 json

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 al…

published 16y ago modified 4mo ago also EUVD-2010-2814

cvss
6.8
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.7%
EPSS 3.7% chance of exploitation in 30 days, percentile 89%
public exploits
0
none known

Summary

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.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2010-2810 updated

Lynx: Heap-based buffer overflow by processing URLs with % (percent) character in the domain name

  • Red Hat Enterprise Linux 4 lynx Red Hat Enterprise Linux 5 lynx Red Hat Enterprise Linux 6 lynx
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

3.66% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.