RHSA-2002:151

Vulnerability from csaf_redhat - Published: 2002-08-19 08:21 - Updated: 2025-11-21 17:24
Summary
Red Hat Security Advisory: : Updated libpng packages fix buffer overflow
Severity
Important
Notes
Topic: Updated libpng packages are available that fix a buffer overflow vulnerability.
Details: The libpng package contains a library of functions for creating and manipulating PNG (Portable Network Graphics) image format files. PNG is a bit-mapped graphics format similar to the GIF format. Versions of libpng prior to 1.0.14 contain a buffer overflow in the progressive reader when the PNG datastream contains more IDAT data than indicated by the IHDR chunk. Such deliberately malformed datastreams would crash applications that are linked to libpng and that use the progressive reading feature. Mozilla is such an application. (CAN-2002-0728) Packages within Red Hat Linux, such as Mozilla, make use of the shared libpng library. Therefore, all users are advised to upgrade to the errata packages which contain libpng 1.0.14. Libpng 1.0.14 is not vulnerable to this issue and contains fixes for other bugs, including a number of memory leaks and another potential buffer overflow (CAN-2002-0660)
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
CVE-2002-0660

Buffer overflow in libpng 1.0.12-3.woody.2 and libpng3 1.2.1-1.1.woody.2 on Debian GNU/Linux 3.0, and other operating systems, may allow attackers to cause a denial of service and possibly execute arbitrary code, a different vulnerability than CVE-2002-0728.

Affected products
Product Identifier Version Remediation
Red Hat Linux 6.2
Red Hat / Red Hat Linux
 cpe:/o:redhat:linux:6.2 —
Vendor Fix fix
Red Hat Linux 7.0
Red Hat / Red Hat Linux
 cpe:/o:redhat:linux:7.0 —
Vendor Fix fix
Red Hat Linux 7.1
Red Hat / Red Hat Linux
 cpe:/o:redhat:linux:7.1 —
Vendor Fix fix
Red Hat Linux 7.2
Red Hat / Red Hat Linux
 cpe:/o:redhat:linux:7.2 —
Vendor Fix fix
Red Hat Linux 7.3
Red Hat / Red Hat Linux
 cpe:/o:redhat:linux:7.3 —
Vendor Fix fix
Threats
Impact Important
CVE-2002-0728

Buffer overflow in the progressive reader for libpng 1.2.x before 1.2.4, and 1.0.x before 1.0.14, allows attackers to cause a denial of service (crash) via a PNG data stream that has more IDAT data than indicated by the IHDR chunk.

Affected products
Fixed 5 products, the same list as for CVE-2002-0660
Threats
Impact Moderate
References
To clipboard 

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        "text": "The libpng package contains a library of functions for creating and\nmanipulating PNG (Portable Network Graphics) image format files. PNG\nis a bit-mapped graphics format similar to the GIF format. \n\nVersions of libpng prior to 1.0.14 contain a buffer overflow in the\nprogressive reader when the PNG datastream contains more IDAT data than\nindicated by the IHDR chunk.  Such deliberately malformed datastreams would\ncrash applications that are linked to libpng and that use the progressive\nreading feature. Mozilla is such an application.  (CAN-2002-0728)\n\nPackages within Red Hat Linux, such as Mozilla, make use of the shared\nlibpng library. Therefore, all users are advised to upgrade to the errata\npackages which contain libpng 1.0.14.  Libpng 1.0.14 is not vulnerable to\nthis issue and contains fixes for other bugs, including a number of memory\nleaks and another potential buffer overflow (CAN-2002-0660)",
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}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.