7.8

CVE-2023-43907: optipng_project optipng Classic Buffer Overflow

Modified
AliasesMGASA-2023-0333openSUSE-SU-2023:0388-1UBUNTU-CVE-2023-43907
Published 01-10-2023Last modified 23-09-2024

Vulnerability summary

CVE-2023-43907 is a high (CVSS 7.8) Classic Buffer Overflow vulnerability in optipng_project optipng. EPSS estimates a 0.46% chance of exploitation in the next 30 days, higher than 38.4% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
41/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.46%
0%100%
Low · -0.06 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits1github

Timeline

  1. 01-10-2023
    PublishedVulnerability first disclosed.
  2. 23-09-2024
    Last modifiedVulnerability information updated.

Description

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

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.46%

Chance of exploitation in the next 30 days

Percentile

38%

Versus all other CVEs

30-day change

Decrease -0.06 pp

From 0.52% on 22-09-2026

22-09-202622-10-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

1 found
  • githubUnverified

    Z Vulnerabilitys

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Mageia2 products
  • optipng< 0.7.8-2.mga8
  • optipng< 0.7.8-2.mga9
Opensuse2 products
  • optipng&distro=openSUSE Leap 15.4< 0.7.8-bp154.3.5.1
  • optipng&distro=openSUSE Tumbleweed< 0.7.8-1.1
Debian1 product
  • optipngAll versions (No fix recorded) | < 0.7.8+ds-1
Optipng_project1 product
Suse1 product
  • optipng&distro=SUSE Package Hub 15 SP4< 0.7.8-bp154.3.5.1
Ubuntu1 product
  • optipngAll versions (No fix recorded)

6 vendors · 8 products

References

16 links
Show all 16 references