Skip to content
Fencer Vulns
medium 5.5

CVE-2024-3207 json

ermig1979 Simd SimdMemoryStream.h ReadUnsigned heap-based overflow

published 2024-04-02 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-31799

cvss
5.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 62%
public exploits
0
none known

Summary

A vulnerability was found in ermig1979 Simd up to 6.0.134. It has been declared as critical. This vulnerability affects the function ReadUnsigned of the file src/Simd/SimdMemoryStream.h. The manipulation leads to heap-based buffer overflow. The exploit has been disclosed to the public and may be used. VDB-259054 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

CISA SSVC

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

Exploit prediction

0.97% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • drive.google.com https://drive.google.com/drive/folders/1z0JBsZ-QR3RsuAf-uyit_ZGXCh0rEvFq?usp=sharing referenced PoC, tagged "exploit" by a source, unverified
  • vuldb.com https://vuldb.com/?submit.304572 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 5.5 CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CNA 3.0 5.5 CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CNA 2.0 5.2 AV:A/AC:L/Au:S/C:P/I:P/A:P
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • ermig1979 Simd

Classification

Weakness
  • CWE-122 Heap-based Buffer Overflow

References

Sources

Fencer Vulns 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.