CVE-2026-18839Disclosure

LOWCVSS 2.2 · LOW

Signal is active with 2 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

An integer underflow was found in the popt library when formatting help text for option tables that exceed the terminal width. A local user who can cause an application to print help under those conditions may cause that application to crash or fail to display help, resulting in a denial of service of the affected application.

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0.0/ 10 priority

Sources & remediation

Other references

Weakness type (CWE)

CWE-191

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

2 mentions across 1 observed day

What's happening

Technical details provided in 2 signals
Disclosure: 2 classified signals
2 total mentions across 1 day

Deep dive

Activity timeline2 mentions / 1d

Signal classification1 categories

Disclosure

2100.0%

Referenced assets2 URLs

By indicator

Full discourse2 posts

Infoflowcloud@infoflowcloud46d
Disclosure
🚨*CVE* CVE-2026-18839 An integer underflow was found in the popt library when formatting help text for option tables that exceed the terminal width. A local user who can cause an applicati… https://www.cve.org/CVERecord?id=CVE-2026-18839 ----- Traducción: CVE-2026-18839 Se … http://infoflow.cloud`
Post summary
The message announces CVE‑2026‑18839 as an integer underflow in the popt library; it provides technical details but no PoC, exploit, active use, or patch information.
0000045
97 followersView on X
CVE@CVEnew46d
Disclosure
CVE-2026-18839 An integer underflow was found in the popt library when formatting help text for option tables that exceed the terminal width. A local user who can cause an applicati… https://www.cve.org/CVERecord?id=CVE-2026-18839
Post summary
The text announces CVE-2026-18839, describing an integer underflow in popt library, but provides no PoC, exploit, or patch details.
00000989
57.9K followersView on X

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