CVE-2011-3026
Mediumlibpng: Heap buffer overflow in png_decompress_chunk (MFSA 2012-11)
Published Feb 16, 2012 · Updated Mar 9, 2026 · Also known as DEBIAN-CVE-2011-3026, DSA-2410-1
Key Facts
Patch immediately- CVE-2011-3026 is a medium-severity vulnerability (CVSS 6.8 v2) affecting Chrome (Google), Iphone OS (Apple), Mac OS X (Apple) and 22 more products.
- It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
- EPSS estimates a 73% probability of exploitation in the next 30 days.
- Fixed versions are available, including Iphone OS 6.0, Mac OS X 10.7.5, Mac OS X Server 10.7.5.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v2
6.8
AV:N/AC:M/Au:N/C:P/I:P/A:P
EPSS (30-day exploit likelihood)
73%
Higher than 99.4% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
None known
Get the full CVE-2011-3026 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
Integer overflow in libpng, as used in Google Chrome before 17.0.963.56, allows remote attackers to cause a denial of service or possibly have unspecified other impact via unknown vectors that trigger an integer truncation.
Affected Products
65 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| ChromeGoogle | See advisory | 17.0.963.56 |
| Iphone OSApple | See advisory | 6.0 |
| Mac OS XApple | 10.6.8 | 10.7.5 |
| Mac OS X ServerApple | 10.6.8 | 10.7.5 |
| OpensuseOpensuse | 11.4 | n/a |
Patched Releases
Iphone OS
6.0
Mac OS X
10.7.5
Mac OS X Server
10.7.5
chromedriver
55.0.2883.75-3.1
chromium
55.0.2883.75-3.1
firefox
0:3.6.26-3.el4
firefox-esr
128.5.1-1.1
firefox-esr-branding-upstream
128.5.1-1.1
firefox-esr-translations-common
128.5.1-1.1
firefox-esr-translations-other
128.5.1-1.1
Chrome
17.0.963.56
libpng
1.2.44-1+squeeze2, 2:1.2.10-15.el5_7, 2:1.2.46-2.10.amzn1, 2:1.2.46-2.el6_2, 2:1.2.7-9.el4
libpng-devel
2:1.2.10-15.el5_7, 2:1.2.46-2.10.amzn1, 2:1.2.46-2.el6_2
libpng-static
2:1.2.46-2.10.amzn1, 2:1.2.46-2.el6_2
libpng10
0:1.0.16-10.el4
libpng12-0
1.2.56-1.5
libpng12-0-32bit
1.2.56-1.5
libpng12-compat-devel
1.2.56-1.5
libpng12-compat-devel-32bit
1.2.56-1.5
libpng12-devel
1.2.56-1.5
libpng12-devel-32bit
1.2.56-1.5
MozillaFirefox
50.1.0-1.1
MozillaFirefox-branding-upstream
50.1.0-1.1
MozillaFirefox-buildsymbols
50.1.0-1.1
MozillaFirefox-devel
50.1.0-1.1
Timeline
Publicly disclosed
Feb 16, 2012
Last updated
Mar 9, 2026
Weakness Type
- CWE-122 Heap-based Buffer Overflow
- CWE-190 Integer Overflow or Wraparound
References
- advisoryhttp://googlechromereleases.blogspot.com/2012/02/chrome-stable-update.html
- advisoryAPPLE-SA-2012-09-19-1
- advisoryAPPLE-SA-2012-09-19-2
- advisoryopenSUSE-SU-2012:0297
- advisorySUSE-SU-2012:0303
FAQ
Common Questions.
Integer overflow in libpng, as used in Google Chrome before 17.0.963.56, allows remote attackers to cause a denial of service or possibly have unspecified other impact via unknown vectors that trigger an integer truncation.
Affected: Chrome (Google); Iphone OS (Apple); Mac OS X (Apple) versions 10.6.8, among others. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including Iphone OS 6.0, Mac OS X 10.7.5, Mac OS X Server 10.7.5.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
Is CVE-2011-3026 Running On Your Attack Surface?
Brandefense maps vulnerabilities like this one to your internet-facing assets and tells you exactly where to patch.
Request A Demo