Vulnerability Details : CVE-2011-2501

The png_format_buffer function in pngerror.c in libpng 1.0.x before 1.0.55, 1.2.x before 1.2.45, 1.4.x before 1.4.8, and 1.5.x before 1.5.4 allows remote attackers to cause a denial of service (application crash) via a crafted PNG image that triggers an out-of-bounds read during the copying of error-message data. NOTE: this vulnerability exists because of a CVE-2004-0421 regression. NOTE: this is called an off-by-one error by some sources.
Published 2011-07-17 20:55:01
Updated 2020-08-06 15:43:03
Source Red Hat, Inc.
View at NVD,   CVE.org
Vulnerability category: Denial of service

Threat overview for CVE-2011-2501

Top countries where our scanners detected CVE-2011-2501
Top open port discovered on systems with this issue 8200
IPs affected by CVE-2011-2501 2,320
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2011-2501!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2011-2501

Probability of exploitation activity in the next 30 days: 0.55%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 75 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2011-2501

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
4.3
 MEDIUM AV:N/AC:M/Au:N/C:N/I:N/A:P
8.6
2.9
 NIST
6.5
 MEDIUM CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
2.8
3.6
 NIST

CWE ids for CVE-2011-2501

  • The product reads data past the end, or before the beginning, of the intended buffer.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2011-2501

Products affected by CVE-2011-2501

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