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VulnerabilityPublished Updated

CVE-2026-118444: Python2.7 · Out-of-bounds read vulnerabilities in the pybddisasm Python bindings may disclose

Affects python2.7Source GCVE Database

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Authoritative record:CVE-2026-118444· Medium 4.8

Not known to be exploited · CVSS 4.8 Medium · end of life, no fix coming : replace or isolate python2.7; no fix will be released.

Data as of 5 Nov 2026, 12:35 UTC

CVSS 4.0 base score
4.8Medium
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (Bitdefender)CVSS 4.04.8
Patch
None coming – the product is end of life
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 3 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 5 Nov 2026.

What to do

No fix will be released: python2.7 is end of life. Replace it, or isolate it from untrusted networks until you can.

Affected software

ProductAffectedFixed in
Ubuntu 26.10python3.14pkg:deb/ubuntu/python3.14?arch=source&distro=stonkingOther threatsAffected
  • 3.14.4-1 – 3.14.8-1ubuntu1
7 affected builds
Fixed in–
Ubuntu 26.04 LTSpython3.14pkg:deb/ubuntu/python3.14?arch=source&distro=resoluteOther threatsAffected
  • 3.14.0-1 – 3.14.4-1ubuntu0.2
11 affected builds
Fixed in–
Ubuntu 24.04 LTSpython3.12pkg:deb/ubuntu/python3.12?arch=source&distro=nobleOther threatsAffected
  • 3.12.0-1 – 3.12.3-1ubuntu0.17
26 affected builds
Fixed in–
Ubuntu 22.04 LTSpython3.10pkg:deb/ubuntu/python3.10?arch=source&distro=jammyOther threatsAffected
  • 3.10.0-2 – 3.10.12-1~22.04.18
35 affected builds
Fixed in–
Ubuntu Pro 22.04 LTSpython2.7pkg:deb/ubuntu/python2.7?arch=source&distro=esm-apps/jammyOther threatsAffected
  • 2.7.18-8build1 – 2.7.18-13ubuntu1.5+esm9
21 affected builds
Fixed in–
Ubuntu Pro 22.04 LTSpython3.11pkg:deb/ubuntu/python3.11?arch=source&distro=esm-apps/jammyOther threatsAffected
  • 3.11.0~rc1-1~22.04 – 3.11.0~rc1-1~22.04.1~esm9
13 affected builds
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

Description

Out-of-bounds read vulnerabilities in the pybddisasm Python bindings may disclose adjacent process memory during instruction decoding. The nd_decode function may read up to 15 bytes without checking the actual length of the supplied Python buffer. The nd_decode_ex, nd_decode_ex2, and nd_decode_with_context functions pass the caller-supplied buffer size to the decoder without validating it against the actual length of the Python buffer. Data read beyond the buffer may be exposed through nd_get_instrux_bytes, which returns a fixed-length list of 16 bytes. Exploitation requires an application to invoke the affected APIs with a short buffer or an oversized length and to expose the resulting bytes to an attacker. The pybddisasm package is no longer maintained.

References

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