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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.013 (68.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 68.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.013 · change: +0.001
Affected products
- Swftools — versions 0.9.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/matthiaskramm/swftools/issues/51 (Third Party Advisory, 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.