CVE-2017-17669

medium

Published 2017-12-13 · Modified 2026-05-13

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CVSS v3

5.5

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CVSS v4 NEW

—

not yet in upstream

VIR risk

5.5

Description

There is a heap-based buffer over-read in the Exiv2::Internal::PngChunk::keyTXTChunk function of pngchunk_int.cpp in Exiv2 0.26. A crafted PNG file will lead to a remote denial of service attack.

Predictions

Exploit likelihood

55%

Patch ETA

—

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 — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → 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

OS	Version	Status	Fixed in
sles		affected
debian	bookworm	fixed	`0.27.2-6`
debian	bullseye	fixed	`0.27.2-6`
debian	forky	fixed	`0.27.2-6`
debian	sid	fixed	`0.27.2-6`
debian	trixie	fixed	`0.27.2-6`
debian	10.0	affected
ubuntu	14.04	affected
ubuntu	16.04	affected
ubuntu	18.04	affected
ubuntu	18.10	affected

Application impact

Vendor	Product	Versions	Fixed
exiv2	exiv2	`0.26`

References

CWEs

CWE-125

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

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