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Fencer Intel
critical 10.0

CVE-2014-4502 json

Multiple heap-based buffer overflows in the parse_notify function in sgminer before 4.2.2, cgminer before 4.3.5, and BFGMiner before 4.1.0…

published 2014-07-23 12 y ago modified 2026-06-17 4 mo ago also EUVD-2014-4429

cvss
10.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.3%
EPSS 3.3% chance of exploitation in 30 days, percentile 88%
public exploits
0
none known

Summary

Multiple heap-based buffer overflows in the parse_notify function in sgminer before 4.2.2, cgminer before 4.3.5, and BFGMiner before 4.1.0 allow remote pool servers to have unspecified impact via a (1) large or (2) negative value in the Extranonc2_size parameter in a mining.subscribe response and a crafted mining.notify request.

Patch / fix

Exploit prediction

3.30% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/luke-jr/bfgminer/commit/ff7f30129f15f7a2213f8ced0cd65c9a331493d9 referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/sgminer-dev/sgminer/commit/bac5831b355f916e0696b7bbcccfc51c057b729a referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/ckolivas/cgminer/commit/e1c5050734123973b99d181c45e74b2cbb00272e referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

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.