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CVE-2015-2158

20
FAUCET Score

CVE-2015-2158 describes an off-by-one error in the pngcrush_measure_idat function within pngcrush versions prior to 1.7.84. This vulnerability allows remote attackers to trigger a denial of service (application crash) or potentially execute arbitrary code through a specially crafted PNG file. With a CVSS v3 score of 7.8 (High), it has a local attack vector, low attack complexity, and high impacts on confidentiality, integrity, and availability, requiring user interaction. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.7.83CPE matchmatch criteria
cpe:2.3:a:pngcrush_project:pngcrush:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.8HIGH

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.77%
Probability of exploitation in next 30 days
EPSS Percentile
84.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0277 is in the 85th percentile among its peer group of 11,621 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (7)

microsoftpatch availablevia msrc
Product: 16825-16817Fixed in: 2.5.12-4
microsoftpatch availablevia msrc
Product: 16826-16817Fixed in: 1.3.8-1
microsoftpatch availablevia msrc
Product: 16825-17084Fixed in: 2.5.12-4
microsoftpatch availablevia msrc
Product: azl3 fltk 1.3.8-1 on Azure Linux 3.0Fixed in: 1.3.8-1
microsoftpatch availablevia msrc
Product: 16826-17084Fixed in: 1.3.8-1
microsoftpatch availablevia msrc
Product: azl3 teckit 2.5.12-4 on Azure Linux 3.0Fixed in: 2.5.12-4
redhatpatch availablevia nvd_reference
View patch

Vendor Advisories (2)

microsoft2017-Oct/CVE-2015-2158Important

Off-by-one error in the pngcrush_measure_idat function in pngcrush.c in pngcrush before 1.7.84 allows remote attackers to cause a denial of service

Oct 10, 2017
redhatCVE-2015-2158Low

pngcrush: pngcrush_measure_idat() off-by-one error

Jan 28, 2015

References

bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatchThird Party Advisory
sourceforge.net / p/pmt/news/2015/02/pngcrush-1784-released
PatchThird Party Advisory
openwall.com / lists/oss-security/2015/03/01/1
Mailing ListPatchThird Party Advisory
securityfocus.com / bid/72830
Third Party AdvisoryVDB Entry