CVE-2026-40386Disclosure(libexif_project / libexif)

LOWCVSS 7.1 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

In libexif through 0.6.25, an integer underflow in size checking for Fuji and Olympus MakerNote decoding could be used by attackers to crash or leak information out of libexif-using programs.

libexif_project CVEs Back to dashboard

0.0/ 10 priority

Sources & remediation

Patch / fix

https://github.com/libexif/libexif/commit/dc6eac6e9655d14d0779d99e82d0f5f442d2f34b

Weakness type (CWE)

CWE-191

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

libexif

Threat summary

2 mentions across 2 observed days
Momentum state: stable

What's happening

Technical details provided in 2 signals
Disclosure: 2 classified signals
Peaked 1d ago at 1 mentions (2026-04-12); latest day: 1
2 total mentions across 2 days

Affected systems

Vendors

libexif_project

Products

libexif

Deep dive

Activity timeline2 mentions / 2d

Signal classification1 categories

Disclosure

2100.0%

Referenced assets3 URLs

By indicator

Full discourse2 posts

CVE@CVEnew181d
Disclosure
CVE-2026-40386 In libexif through 0.6.25, an integer underflow in size checking for Fuji and Olympus MakerNote decoding could be used by attackers to crash or leak information out o… https://www.cve.org/CVERecord?id=CVE-2026-40386
Post summary
The text reports a CVE for libexif 0.6.25, describing an integer underflow that can lead to crashes or info leakage, but no proof‑of‑concept, exploit, patch, or active exploitation details are provided.
00000128
57.1K followersView on X
Vulmon Vulnerability Feed@VulmonFeeds181d
Disclosure
CVE-2026-40386 Integer Underflow in libexif 0.6.25 MakerNote Decoding Ca... https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-40386 Don't wait vulnerability scanning results: https://alerts.vulmon.com/?utm_source=twitter&utm_medium=social&utm_campaign=2102281&utm_content=2
Post summary
The tweet references a newly disclosed integer underflow vulnerability in libexif 0.6.25 with a link to more details, but provides no information on exploitation, mitigation, or remediation.
0000056
4.0K followersView on X

CPE platform detail1 entries

Part:

Vendor:

Product:

Version:

Target SW:

Target HW:

1 of 1 entries

Part	Vendor	Product	Version	Target SW	Target HW
App	libexif_project	libexif	-	-	-

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