CVE-2026-43861Disclosure

LOWCVSS 3.7 · 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

mutt before 2.3.2 does not check for '\0' in url_pct_decode.

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0.0/ 10 priority

Sources & remediation

Other references

https://github.com/muttmua/mutt/commit/12f54fe3b61f761c096fe95e95d5e3072af00ed2

Weakness type (CWE)

CWE-158

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

Vulmon Vulnerability Feed@VulmonFeeds158d
Disclosure
CVE-2026-43861 Null Byte Injection in Mutt Email Client Before Version 2.3.2 https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-43861
Post summary
The text announces a newly disclosed null byte injection weakness affecting Mutt email client versions prior to 2.3.2.
0000050
4.0K followersView on X
CVE@CVEnew158d
Disclosure
CVE-2026-43861 mutt before 2.3.2 does not check for '\0' in url_pct_decode. https://www.cve.org/CVERecord?id=CVE-2026-43861
Post summary
The text announces a null‑byte handling flaw in mutt before 2.3.2 (CVE‑2026‑43861) and provides a link to its CVE record, without mentioning a PoC, exploit, or patch.
00000144
57.4K followersView on X

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