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CVE-2009-0749

20
FAUCET Score

CVE-2009-0749 describes a use-after-free vulnerability in OptiPNG versions 0.6.2 and earlier, specifically within the GIFReadNextExtension function, affecting various openSUSE and SUSE Linux Enterprise distributions. This flaw, rated 7.8 HIGH, allows a remote attacker to trigger a denial of service (application crash) by crafting a malicious GIF image that causes memory corruption. While the attack requires user interaction (e.g., opening the image), there is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.6.2CPE matchmatch criteria
cpe:2.3:a:optipng_project:optipng:*:*:*:*:*:*:*:*
>= 10.3, <= 11.1CPE matchmatch criteria
cpe:2.3:o:opensuse:opensuse:*:*:*:*:*:*:*:*
9-11CPE matchmatch criteria
cpe:2.3:o:suse:linux_enterprise:9-11:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.55%
Probability of exploitation in next 30 days
EPSS Percentile
72.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0155 is in the 71st percentile among its peer group of 11,616 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2009-0749

optipng: memory re-allocation flaw in GIF reader

References

lists.opensuse.org / opensuse-security-announce/2009-03/msg00001.html
Mailing List
lists.opensuse.org / opensuse-security-announce/2009-07/msg00002.html
Mailing List
optipng.sourceforge.net
Product
secunia.com / advisories/34035
Broken LinkVendor Advisory
secunia.com / advisories/34201
Broken Link
secunia.com / advisories/34259
Broken Link
secunia.com / advisories/35685
Broken Link
exchange.xforce.ibmcloud.com / vulnerabilities/48879
Third Party AdvisoryVDB Entry
sourceforge.net / tracker/index.php
Issue Tracking
gentoo.org / security/en/glsa/glsa-200903-12.xml
Third Party Advisory
openwall.com / lists/oss-security/2009/02/24/2
Mailing List
openwall.com / lists/oss-security/2009/02/25/4
Mailing List
securityfocus.com / bid/33873
Broken LinkPatchThird Party AdvisoryVDB Entry
vupen.com / english/advisories/2009/0510
Broken LinkPatchVendor Advisory