CVE-2023-39113Public exploit

Converter crash via crafted GIF near-null read

Published Aug 2, 2023 · Updated Oct 17, 2024

A segmentation fault in ngiflib at commit fb271 allows local users to crash gif2tga by processing a crafted GIF file. The public report identifies main at gif2tga.c line 169 and records a read from address 0x2, but it does not disclose which decoded field becomes invalid. Execution requires a local user to run gif2tga in indexed mode on the crafted file; the demonstrated consequence is process abort, not code execution.

CVSS severity5.5
Medium
EPSS probability0.27%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

A segmentation fault in ngiflib at commit fb271 allows local users to crash gif2tga by processing a crafted GIF file. The public report identifies main at gif2tga.c line 169 and records a read from address 0x2, but it does not disclose which decoded field becomes invalid. Execution requires a local user to run gif2tga in indexed mode on the crafted file; the demonstrated consequence is process abort, not code execution.

The record

CVE
CVE-2023-39113
Published
Aug 2, 2023
Updated
Oct 17, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
T1204.002
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 2, 2023CVE publishedPublication date reported by the CVE source.
  2. Oct 17, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

5.5NVDCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

T1204.002Malicious File

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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