What is CVE-2022-34998?

CVE-2022-34998 is a high-severity vulnerability in Bitbanksoftware Jpegdec, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2022-08-16.

How severe is CVE-2022-34998?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2022-34998 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Bitbanksoftware Jpegdec

CVE-2022-34998

JPEGDEC commit be4843c was discovered to contain a global buffer overflow via JPEGDecodeMCU at /src/jpeg.inl.

Vulnerability class: Buffer Overflow

EPSS: 0.003 (25.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Bitbanksoftware Jpegdec — versions 1.2.7
N/a — versions n/a

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

Public proof-of-concept exploits

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2022-34998?: CVE-2022-34998 is a high-severity vulnerability in Bitbanksoftware Jpegdec, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2022-08-16.
How severe is CVE-2022-34998?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2022-34998 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.