CVE-2023-0856

🗓️ 11 May 2023 00:00:00Reported by CanonType

Buffer overflow in multifunction printers may allow network attack to execute arbitrary code.

Reporter	Title	Published	Views	Family All 13
BDU FSTEC	Canon IPP Code Execution	28 Oct 202300:00	–	bdu_fstec
Circl	CVE-2023-0856	11 May 202316:15	–	circl
CNNVD	Multiple Canon products have buffer error vulnerabilities	11 May 202300:00	–	cnnvd
Cvelist	CVE-2023-0856	11 May 202300:00	–	cvelist
EUVD	EUVD-2023-12854	3 Oct 202520:07	–	euvd
NVD	CVE-2023-0856	11 May 202313:15	–	nvd
osv_cve	CVE-2023-0856	11 May 202313:15	–	osv_cve
Prion	Buffer overflow	11 May 202313:15	–	prion
Positive Technologies	PT-2023-6482 · Canon · Canon Office / Small Office Multifunction Printers/Laser Printers +1	14 Apr 202300:00	–	ptsecurity
Rapid7 Vulnerability Database (full)	CVE-2023-0856: Stack-based Buffer Overflow	11 May 202300:00	–	rapid7

NVD

Node

AND

canon mf642cdw_firmwareRange≤11.04

canon mf642cdwMatch-

Node

AND

canon mf644cdw_firmwareRange≤11.04

canon mf644cdwMatch-

Node

AND

canon mf741cdw_firmwareRange≤11.04

canon mf741cdwMatch-

Node

AND

canon mf743cdw_firmwareRange≤11.04

canon mf743cdwMatch-

Node

AND

canon mf745cdw_firmwareRange≤11.04

canon mf745cdwMatch-

Node

AND

canon lbp621c_firmwareRange≤11.04

canon lbp621cMatch-

Node

AND

canon lbp622c_firmwareRange≤11.04

canon lbp622cMatch-

Node

AND

canon lbp661c_firmwareRange≤11.04

canon lbp661cMatch-

Node

AND

canon lbp662c_firmwareRange≤11.04

canon lbp662cMatch-

Node

AND

canon lbp664c_firmwareRange≤11.04

canon lbp664cMatch-

Node

AND

canon mf1127c_firmwareRange≤11.04

canon mf1127cMatch-

Node

AND

canon mf262dw_ii_firmwareRange≤11.04

canon mf262dw_iiMatch-

Node

AND

canon mf264dw_ii_firmwareRange≤11.04

canon mf264dw_iiMatch-

Node

AND

canon mf267dw_ii_firmwareRange≤11.04

canon mf267dw_iiMatch-

Node

AND

canon mf269dw_ii_firmwareRange≤11.04

canon mf269dw_iiMatch-

Node

AND

canon mf269dw_vp_ii_firmwareRange≤11.04

canon mf269dw_vp_iiMatch-

Node

AND

canon mf272dw_firmwareRange≤11.04

canon mf272dwMatch-

Node

AND

canon mf273dw_firmwareRange≤11.04

canon mf273dwMatch-

Node

AND

canon mf275dw_firmwareRange≤11.04

canon mf275dwMatch-

Node

AND

canon mf641cw_firmwareRange≤11.04

canon mf641cwMatch-

Node

AND

canon mf746cdw_firmwareRange≤11.04

canon mf746cdwMatch-

Node

AND

canon lbp122dw_firmwareRange≤11.04

canon lbp122dwMatch-

Node

AND

canon lbp1127c_firmwareRange≤11.04

canon lbp1127cMatch-

Node

AND

canon lbp622cdw_firmwareRange≤11.04

canon lbp622cdwMatch-

Node

AND

canon lbp623cdw_firmwareRange≤11.04

canon lbp623cdwMatch-

Node

AND

canon lbp664cdw_firmwareRange≤11.04

canon lbp664cdwMatch-

Node

AND

canon imageprograf_tc-20_firmwareRange≤11.04

canon imageprograf_tc-20Match-

Node

AND

canon imageprograf_tc-20m_firmwareRange≤11.04

canon imageprograf_tc-20mMatch-

Node

AND

canon pixma_g3270_firmwareRange≤11.04

canon pixma_g3270Match-

Node

AND

canon pixma_g4270_firmwareRange≤11.04

canon pixma_g4270Match-

Node

AND

canon maxify_gx3020_firmwareRange≤11.04

canon maxify_gx3020Match-

Node

AND

canon maxify_gx4020_firmwareRange≤11.04

canon maxify_gx4020Match-

Node

AND

canon i-sensys_lbp621cw_firmwareRange≤11.04

canon i-sensys_lbp621cwMatch-

Node

AND

canon i-sensys_lbp623cdw_firmwareRange≤11.04

canon i-sensys_lbp623cdwMatch-

Node

AND

canon i-sensys_lbp633cdw_firmwareRange≤11.04

canon i-sensys_lbp633cdwMatch-

Node

AND

canon i-sensys_lbp664cx_firmwareRange≤11.04

canon i-sensys_lbp664cxMatch-

Node

AND

canon i-sensys_mf641cw_firmwareRange≤11.04

canon i-sensys_mf641cwMatch-

Node

AND

canon i-sensys_mf643cdw_firmwareRange≤11.04

canon i-sensys_mf643cdwMatch-

Node

AND

canon i-sensys_mf645cx_firmwareRange≤11.04

canon i-sensys_mf645cxMatch-

Node

AND

canon i-sensys_mf742cdw_firmwareRange≤11.04

canon i-sensys_mf742cdwMatch-

Node

AND

canon i-sensys_mf744cdw_firmwareRange≤11.04

canon i-sensys_mf744cdwMatch-

Node

AND

canon i-sensys_mf746cx_firmwareRange≤11.04

canon i-sensys_mf746cxMatch-

Node

AND

canon i-sensys_x_c1127i_firmwareRange≤11.04

canon i-sensys_x_c1127iMatch-

Node

AND

canon i-sensys_x_c1127if_firmwareRange≤11.04

canon i-sensys_x_c1127ifMatch-

Node

AND

canon i-sensys_x_c1127p_firmwareRange≤11.04

canon i-sensys_x_c1127pMatch-

[
  {
    "vendor": "Canon Inc.",
    "product": "Canon Office/Small Office Multifunction Printers and Laser Printers",
    "versions": [
      {
        "version": "Satera LBP660C Series/LBP620C Series/MF740C Series/MF640C Series firmware Ver.11.04 and earlier sold in Japan. Color imageCLASS LBP660C Series/LBP 620C Series/X LBP1127C/MF740C Series/MF640C Series/X MF1127C firmware Ver.11.04 and earlier sold in US. i-SENSYS LBP660C Series/LBP620C Series/MF740C Series/MF640C Series, C1127P, C1127iF, C1127i firmware Ver.11.04 and earlier sold in Europe.",
        "status": "affected"
      }
    ]
  }
]

Source	Link
usa	www.usa.canon.com/support/canon-product-advisories/Service-Notice-Vulnerabilities-Remediation-Against-Buffer-Overflow
canon	www.canon.jp/support/support-info/230414vulnerability-response
canon-europe	www.canon-europe.com/support/product-security-latest-news/
psirt	www.psirt.canon/advisory-information/cp2023-001/

17 Jun 2026 05:26Current

9Critical risk

Vulners AI Score9

CVSS 3.19.8

EPSS0.01139

SSVC