What is CVE-2022-35011?

CVE-2022-35011 is a high-severity vulnerability in Pngdec Project, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2022-08-16.

How severe is CVE-2022-35011?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2022-35011 known to be exploited?

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

Buffer overflow in Pngdec Project

CVE-2022-35011

PNGDec commit 8abf6be was discovered to contain a global buffer overflow via inflate_fast at /src/inffast.c.

Vulnerability class: Buffer Overflow

Published 2022-08-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.010 (61.3th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 61.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: +0.000

Affected products

Pngdec Project — versions 1.0.0, 1.0.1

Weakness classification (CWE)

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

Public proof-of-concept exploits

References

github.com/bitbank2/PNGdec/issues/10 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-35011?: CVE-2022-35011 is a high-severity vulnerability in Pngdec Project, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2022-08-16.
How severe is CVE-2022-35011?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2022-35011 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.