CVE-2026-39113PoC

LOWCVSS 4.0 · MEDIUM

Exploit discussion active in current signal (1 latest mentions)

Immediate actions

Hunt for exploitation attempts and persistence artifacts
Increase monitoring for publicly documented tradecraft
Track advisory updates for patch or workaround availability

Recommended action window: High priority (within 72h)

NVD description

Buffer Overflow vulnerability in SQLite affected version source snapshots/builds containing Fossil check-in 8bdc0d485e3ad0c7a1e818da66f106951d496b05cbe61d12c2c448f2f24b6d5d (Git mirror 169f68ed88b34cb68f720191c64c058f2ccec508, 2026-03-11) and later snapshots/builds allows an attacker to cause a denial of service via the ext/misc/sqlar.c, sqlarUncompressFunc(), sqlar_uncompress(), sqlite3_value_int64(), sqlite3_malloc(int), uncompress() components

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1.5/ 10 priority

Sources & remediation

Other references

Weakness type (CWE)

CWE-122

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

NONE

Momentum

NONE

Threat summary

Public PoC is present in monitored signal
1 mentions across 1 observed day

What's happening

PoC mentioned or linked in 1 signal
Technical details provided in 1 signal
1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d

Signal classification1 categories

PoC

1100.0%

Referenced assets1 URL

By indicator

https://github.com/20000419/CVE-2026-39113

Full discourse1 post

Dark Web Informer@DarkWebInformer46d
PoC
‼️ CVE-2026-39113: Heap Buffer Overflow in SQLite's Optional SQLAR Extension GitHub: https://github.com/20000419/CVE-2026-39113 https://t.co/RTv1pOuRn9
Post summary
A heap buffer overflow vulnerability (CVE-2026-39113) in SQLite’s Optional SQLAR extension has been disclosed, with PoC code available on GitHub.
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