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CVE-2021-45910

HIGHCVSS 7.8/10EPSS 0.87%

Last modified

CVE-2021-45910 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. An issue was discovered in gif2apng 1.9. There is a heap-based buffer overflow within the main function. EPSS estimates a 0.87% chance of exploitation in the next 30 days.

Description

An issue was discovered in gif2apng 1.9. There is a heap-based buffer overflow within the main function. It allows an attacker to write data outside of the allocated buffer. The attacker has control over a part of the address that data is written to, control over the written data, and (to some extent) control over the amount of data that is written.

Metrics

CVSS 3.1
7.8/10

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

EPSS Probability
0.87%

54.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
Gif2apng ProjectGif2apng1.9
DebianDebian Linux9.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-45910?
An issue was discovered in gif2apng 1.9. There is a heap-based buffer overflow within the main function. It allows an attacker to write data outside of the allocated buffer. The attacker has control over a part of the address that data is written to, control over the written data, and (to some extent) control over the amount of data that is written.
How severe is CVE-2021-45910?
CVE-2021-45910 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.87% probability of exploitation in the next 30 days.
How do I fix CVE-2021-45910?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-45910?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST