CVE-2015-2158

Off-by-one error in the pngcrush_measure_idat function in pngcrush.c in pngcrush before 1.7.84...

7.8 HighFix available

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 (application crash) or possibly execute arbitrary code via a crafted PNG file.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

2.88%Down 0.3 points since Feb 4, 2022

What each source reports

NVD Score used 7.8

Record: CVE-2015-2158
CVSS 3.0: 7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0: 6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness: CWE-189
Updated: 2026-11-02

CVE List No score

Record: CVE-2015-2158
Updated: 2026-11-02

EUVDEUVD-2015-2267 No score

Record: EUVD-2015-2267
Updated: 2026-11-03

GitHub AdvisoriesGHSA-qm7x-p4cx-r7pj 7.8

Off-by-one error in the pngcrush_measure_idat function in pngcrush.c in pngcrush before 1.7.84...

Record: GHSA-qm7x-p4cx-r7pj
CVSS 3.0: 7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVAZL-43813 7.8

CVE-2015-2158 affecting package openjpeg2 2.3.1-12

Record: AZL-43813
CVSS 3.0: 7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVAZL-43846 7.8

CVE-2015-2158 affecting package fltk 1.3.5-4

Record: AZL-43846
CVSS 3.0: 7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

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OSVAZL-43966 7.8

CVE-2015-2158 affecting package teckit 2.5.9-4

Record: AZL-43966
CVSS 3.0: 7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVAZL-44008 7.8

CVE-2015-2158 affecting package clucene 2.3.3.4-38

Record: AZL-44008
CVSS 3.0: 7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVAZL-44265 7.8

CVE-2015-2158 affecting package fltk for versions less than 1.3.8-1

Record: AZL-44265
CVSS 3.0: 7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVAZL-44589 7.8

CVE-2015-2158 affecting package openjpeg2 2.3.1-12

Record: AZL-44589
CVSS 3.0: 7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-05

OSVAZL-44832 7.8

CVE-2015-2158 affecting package clucene 2.3.3.4-40

Record: AZL-44832
CVSS 3.0: 7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-05

OSVAZL-44913 7.8

CVE-2015-2158 affecting package teckit for versions less than 2.5.12-4

Record: AZL-44913
CVSS 3.0: 7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVMGASA-2015-0101 No score

Updated pngcrush package fixes security vulnerability

pngcrush-1.7.84 fixes defects reported by Coverity-scan, so it should be more resistant to crashes due to malformed input files, such as the one presented in CVE-2015-2158.

Record: MGASA-2015-0101
Updated: 2026-11-02

Affected products

pngcrush project pngcrush

Affected packages

Affected packages
Package	Affected	Fixed
`openjpeg2` Azure Linux:2	through 2.3.1-12	None known
`fltk` Azure Linux:2	through 1.3.5-4	None known
`teckit` Azure Linux:2	through 2.5.9-4	None known
`clucene` Azure Linux:2	through 2.3.3.4-38	None known
`fltk` Azure Linux:3	before 1.3.8-1	1.3.8-1
`openjpeg2` Azure Linux:3	through 2.3.1-12	None known
`clucene` Azure Linux:3	through 2.3.3.4-40	None known
`teckit` Azure Linux:3	before 2.5.12-4	2.5.12-4
`pngcrush` Mageia:4	before 1.7.84-1.mga4	1.7.84-1.mga4

History

History
Recorded	Changed	Sources
Nov 5, 2026	facts	OSV
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2015-2158 is a high vulnerability (CVSS 7.8) in Pngcrush Project Pngcrush, published March 10, 2015. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.88%, the 86th percentile. Fixed in fltk 1.3.8-1.