Home/CVE/OptiPNG v0.7.7 was discovered to contain a global buffer overflow via the 'buffer' variable at gifread.c.
CVE

CVE-2023-43907

OptiPNG v0.7.7 was discovered to contain a global buffer overflow via the 'buffer' variable at gifread.c.

OptiPNG v0.7.7 was discovered to contain a global buffer overflow via the 'buffer' variable at gifread.c.

HIGH · CVSS 7.8 EPSS 0.00025
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
▤

Affected Products & Versions

1
optipng project optipngall versions
⚠

Public Exploits & PoCs

1
pocgithub.com · optipng-global-buffer-overflow1.mdgithub.com
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD01 Oct 2023 · 01:15 AM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

3
msrcCVE-2023-43907
suse-csafopenSUSE-SU-2024:13415-1
suse-csafopenSUSE-SU-2023:0388-1
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://optipng.sourceforge.net/Product
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IBHVG5LDE2K3FZSIK4XFXOUXSE7NZ5JH/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RCG5CMDT37WCZGAWQNOIPVP4VHGCPUU3/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VAB22JXDE7O27DYARZXC7PFUETM5OOT5/
https://sourceforge.net/projects/optipng/files/OptiPNG/optipng-0.7.7/optipng-0.7.7.tar.gz/download?use_mirror=udomain&download=Product
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