What is CVE-2017-16796?

CVE-2017-16796 is a high-severity vulnerability in Swftools, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2017-11-12.

How severe is CVE-2017-16796?

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

Is CVE-2017-16796 known to be exploited?

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

Buffer overflow in Swftools

CVE-2017-16796

In SWFTools 0.9.2, the png_load function in lib/png.c does not check the return value of a realloc call, which allows remote attackers to cause a denial of service (invalid write and application crash) or possibly have unspecified other impact via vectors involving an IDAT tag in a crafted PNG file.

Vulnerability class: Buffer Overflow

EPSS: 0.012 (65.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Swftools — versions 0.9.2
N/a — versions n/a

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

Public proof-of-concept exploits

andir/nixos-issue-db-example

References

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

Frequently asked questions

What is CVE-2017-16796?: CVE-2017-16796 is a high-severity vulnerability in Swftools, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2017-11-12.
How severe is CVE-2017-16796?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2017-16796 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.