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Fencer Intel
high 8.4

CVE-2024-35333 json

A stack-buffer-overflow vulnerability exists in the read_charset_decl function of html2xhtml 1.3.

published 2y ago modified 4mo ago also EUVD-2024-35286

cvss
8.4
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 30%
public exploits
0
none known

Summary

A stack-buffer-overflow vulnerability exists in the read_charset_decl function of html2xhtml 1.3. This vulnerability occurs due to improper bounds checking when copying data into a fixed-size stack buffer. An attacker can exploit this vulnerability by providing a specially crafted input to the vulnerable function, causing a buffer overflow and potentially leading to arbitrary code execution, denial of service, or data corruption.

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CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
2y ago

Exploit prediction

0.36% chance of exploitation in the next 30 days, higher than 30% of all scored CVEs (FIRST EPSS, 2026-11-11).

CVSS scores

assigned by version score vector
CISA ADP 3.1 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • html2xhtml_project html2xhtml

Classification

Weakness
  • CWE-121 Stack-based Buffer Overflow

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.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.