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Fencer Intel
medium 5.3

CVE-2021-39912 json

A potential DoS vulnerability was discovered in GitLab CE/EE starting with version 13.7.

published 5y ago modified 2mo ago also BIT-gitlab-2021-39912 , EUVD-2021-26268

cvss
5.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.5%
EPSS 1.5% chance of exploitation in 30 days, percentile 74%
public exploits
0
none known

Summary

A potential DoS vulnerability was discovered in GitLab CE/EE starting with version 13.7. Using a malformed TIFF images was possible to trigger memory exhaustion.

Patch / fix

  • bitnami gitlab 14.2.6, 14.3.4, 14.4.1
  • gitlab gitlab 14.2.6, 14.3.4, 14.4.1
  • gitlab gitlab_enterprise 14.2.6, 14.3.4, 14.4.1
  • gitlab Arch Linux 14.5.0-1

arch linux advisories AVG-2503

Is CVE-2021-39912 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Exploit prediction

1.48% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
NVD 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P
OSV 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected packages

ecosystem package affected fixed in
bitnami gitlab
>=13.7.0, <14.2.6
>=14.3.0, <14.3.4
>=14.4.0, <14.4.1
14.2.6
14.3.4
14.4.1

Affected products

  • GitLab GitLab

Classification

Weakness
  • CWE-770 Allocation of Resources Without Limits or Throttling
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Enhance with deb and rpm package type records.