CVE-2014-6040

medium
Published 2014-12-05 ยท Modified 2026-05-06
CVSS v3
โ€”
CVSS v4 NEW
โ€”
not yet in upstream
VIR risk
5.0

Description

GNU C Library (aka glibc) before 2.20 allows context-dependent attackers to cause a denial of service (out-of-bounds read and crash) via a multibyte character value of "0xffff" to the iconv function when converting (1) IBM933, (2) IBM935, (3) IBM937, (4) IBM939, or (5) IBM1364 encoded data to UTF-8.

Predictions

Exploit likelihood
20%
Patch ETA
โ€”

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ€” if you've already worked around this in production โ€” publish your fix to the community-verified tier.

โœš Propose a mitigation on Community โ†’ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

OSVersionStatusFixed in
debian debianbookwormfixed2.19-12
debian debianbullseyefixed2.19-12
debian debianforkyfixed2.19-12
debian debiansidfixed2.19-12
debian debiantrixiefixed2.19-12

Application impact

VendorProductVersionsFixed
gnuglibc{"endIncluding":"2.19"}
gnuglibc2.0
gnuglibc2.0.1
gnuglibc2.0.2
gnuglibc2.0.3
gnuglibc2.0.4
gnuglibc2.0.5
gnuglibc2.0.6
gnuglibc2.1
gnuglibc2.1.1
gnuglibc2.1.1.6
gnuglibc2.1.2
gnuglibc2.1.3
gnuglibc2.1.9
gnuglibc2.10.1
gnuglibc2.11
gnuglibc2.11.1
gnuglibc2.11.2
gnuglibc2.11.3
gnuglibc2.12
gnuglibc2.12.1
gnuglibc2.12.2
gnuglibc2.13
gnuglibc2.14
gnuglibc2.14.1
gnuglibc2.15
gnuglibc2.16
gnuglibc2.17
gnuglibc2.18

References

CWEs

CWE-119

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.