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Vulnerability details: VCID-t99a-x9bm-aaam
Vulnerability ID VCID-t99a-x9bm-aaam
Aliases CVE-2011-2691
Summary NULL Pointer Dereference The png_err function in pngerror.c in libpng makes a function call using a NULL pointer argument instead of an empty-string argument, which allows remote attackers to cause a denial of service (application crash) via a crafted PNG image.
Status Published
Exploitability 0.5
Weighted Severity 5.9
Risk 3.0
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-476 NULL Pointer Dereference
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
cvssv3.1 7.5 http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html
generic_textual HIGH http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html
epss 0.00830 https://api.first.org/data/v1/epss?cve=CVE-2011-2691
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epss 0.01208 https://api.first.org/data/v1/epss?cve=CVE-2011-2691
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epss 0.01208 https://api.first.org/data/v1/epss?cve=CVE-2011-2691
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epss 0.07222 https://api.first.org/data/v1/epss?cve=CVE-2011-2691
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epss 0.07222 https://api.first.org/data/v1/epss?cve=CVE-2011-2691
epss 0.07222 https://api.first.org/data/v1/epss?cve=CVE-2011-2691
epss 0.07222 https://api.first.org/data/v1/epss?cve=CVE-2011-2691
epss 0.07222 https://api.first.org/data/v1/epss?cve=CVE-2011-2691
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epss 0.07222 https://api.first.org/data/v1/epss?cve=CVE-2011-2691
epss 0.09903 https://api.first.org/data/v1/epss?cve=CVE-2011-2691
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2011-2691
cvssv3 6.5 https://nvd.nist.gov/vuln/detail/CVE-2011-2691
cvssv3.1 6.5 https://nvd.nist.gov/vuln/detail/CVE-2011-2691
generic_textual MODERATE http://support.apple.com/kb/HT5002
Reference id Reference type URL
http://libpng.git.sourceforge.net/git/gitweb.cgi?p=libpng/libpng%3Ba=commit%3Bh=9dad5e37aef295b4ef8dea39392b652deebc9261
http://libpng.git.sourceforge.net/git/gitweb.cgi?p=libpng/libpng;a=commit;h=9dad5e37aef295b4ef8dea39392b652deebc9261
http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063118.html
http://marc.info/?l=bugtraq&m=133951357207000&w=2
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2011-2691.json
https://api.first.org/data/v1/epss?cve=CVE-2011-2691
https://bugzilla.redhat.com/show_bug.cgi?id=720608
http://secunia.com/advisories/45046
http://secunia.com/advisories/45405
http://secunia.com/advisories/45492
http://secunia.com/advisories/49660
http://security.gentoo.org/glsa/glsa-201206-15.xml
https://exchange.xforce.ibmcloud.com/vulnerabilities/68537
http://support.apple.com/kb/HT5002
http://www.debian.org/security/2011/dsa-2287
http://www.libpng.org/pub/png/libpng.html
http://www.mandriva.com/security/advisories?name=MDVSA-2011:151
http://www.openwall.com/lists/oss-security/2011/07/13/2
http://www.securityfocus.com/bid/48660
cpe:2.3:a:libpng:libpng:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:libpng:libpng:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:5.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:5.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:14:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:14:*:*:*:*:*:*:*
CVE-2011-2691 https://nvd.nist.gov/vuln/detail/CVE-2011-2691
GLSA-201206-15 https://security.gentoo.org/glsa/201206-15
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2011-2691
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2011-2691
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2011-2691
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.81759
EPSS Score 0.00830
Published At Dec. 27, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.