Description
An issue was discovered in Exiv2 0.26. The Exiv2::Internal::PngChunk::parseTXTChunk function has a heap-based buffer over-read.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | exiv2 | 0.25-4 | — |
| Debian 13 | exiv2 | 0.25-4 | — |
| Debian 12 | exiv2 | 0.25-4 | — |
| Debian 9 | exiv2 | 0.25-3.1+deb9u1 | DSA-4238-1 |
| Debian 8 | exiv2 | 0.24-4.1+deb8u1 | DLA-1551-1, DLA-1402-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | exiv2 | 0.25-3.1ubuntu0.18.04.1 | USN-3700-1 |
| Ubuntu 16.04 LTS | exiv2 | 0.25-2.1ubuntu16.04.2 | USN-3700-1 |
| Ubuntu 14.04 LTS | exiv2 | 0.23-1ubuntu2.1 | USN-3700-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | exiv2 +3 | 0.27.0-2.el7_6 | RHSA-2019:2101 |
Advisories 5
- RHSA-2019:2101 Red Hat Security Advisory: exiv2 security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 27, 2026
- USN-3700-1 exiv2 vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DSA-4238-1 exiv2 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1551-1 exiv2 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1402-1 exiv2 - security update Debian Security (DSA / DLA) · Mar 9, 2026
References
- USN-3700-1 vendor-advisory
- DSA-4238 vendor-advisory
- [debian-lts-announce] 20181021 [SECURITY] [DLA 1551-1] exiv2 security update mailing-list
- https://github.com/Exiv2/exiv2/issues/306
- GLSA-201811-14 vendor-advisory
- [debian-lts-announce] 20180628 [SECURITY] [DLA 1402-1] exiv2 security update mailing-list