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VulnerabilityPublished

CVE-2024-14043: Open5GS · Memory Buffer Overflow

Affects open5gsSource GCVE Database

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Authoritative record:CVE-2024-14043· Medium 5.3

Public exploit available · CVSS 5.3 Medium : upgrade to 2.7.2 as a priority.

Data as of 9 Nov 2026, 23:23 UTC

CVSS 4.0 base score
5.3Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.5% chance of exploitation in 30 days – higher than 43% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 2.7.2
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 11 Aug 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: evidence found.

    CVSS exploit maturity: proof of concept public

  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), CVSS vector, the Metasploit, Exploit-DB and nuclei-templates index as of 10 Nov 2026.

What to do

Upgrade open5gs/open5gs to 2.7.2.

Affected software

ProductAffectedFixed in
GitHubopen5gs/open5gspkg:github/open5gs/open5gsOther threatsAffected
  • <2.7.2
Fixed in
  • 2.7.2

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

AI-suggested

Upgrade Open5GS to version 2.7.2 or later, which contains the official fix for this vulnerability. No other mitigations are specified. Patch status is confirmed by the vendor's advisory and patch commit.

Description

A heap-based buffer overflow vulnerability exists in Open5GS up to version 2.7.1 in the Diameter S6a Interface component. The flaw is in the mme_s6a_subscription_data_from_avp function, where manipulation of the msisdn_len argument can lead to memory corruption. This vulnerability can be exploited remotely. The issue is fixed in Open5GS version 2.7.2.

References

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